From patchwork Mon Dec 26 19:24:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Peter_M=C3=BCller?= X-Patchwork-Id: 6317 Return-Path: Received: from mail01.ipfire.org (mail01.haj.ipfire.org [172.28.1.202]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) client-signature ECDSA (P-384)) (Client CN "mail01.haj.ipfire.org", Issuer "R3" (verified OK)) by web04.haj.ipfire.org (Postfix) with ESMTPS id 4NgnmN4cd0z3wcv for ; Mon, 26 Dec 2022 19:24:52 +0000 (UTC) Received: from mail02.haj.ipfire.org (mail02.haj.ipfire.org [172.28.1.201]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) client-signature ECDSA (P-384)) (Client CN "mail02.haj.ipfire.org", Issuer "R3" (verified OK)) by mail01.ipfire.org (Postfix) with ESMTPS id 4NgnmN09szzwp; Mon, 26 Dec 2022 19:24:52 +0000 (UTC) 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h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=F/4go+O1wjLA9AjO4Hb9KDdFKE4h6QZVJwcBE/gLfoQ=; b=RvoDbFXp9OMWi1sNXVranPgrx99g4PSC+t1y0KNJDhZfjik6HozdZH9OgcAlhAbwD3g0GK wEAE1A1O6O3y+KAw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ipfire.org; s=202003rsa; t=1672082690; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=F/4go+O1wjLA9AjO4Hb9KDdFKE4h6QZVJwcBE/gLfoQ=; b=LPHRPORTezdQvbHSXiFdfGTov/CruwEHJAUeOjE7KJQ1UcLFRj+JHgEah/jKhjdBeRFtWr YRdUKGlCelOR2P2XNyRUN6MF2ya6NxXnFeSspL4ymDh0K/wtO5ZNrkKliUbpSK/FMyvKgp CYgqJccSAG34TNEOlL8N2tyLKIYIqDSW1hglf5VGuYGy26Bu4hBZ5j1a0aEOEU4y0yl+l7 98N4T4CD2gEBf0dhyzGbdBCYh0BykXal1WI9uxO550Q96BU69jSGmDnLnL7u5KA8aP4BG5 cXPuvwD+jDNNVIaIpIwrkDatylrIgI+CE4vkrwwi5OUoBirzM3PVnyM6QWcoUA== Message-ID: Date: Mon, 26 Dec 2022 19:24:41 +0000 MIME-Version: 1.0 Subject: [PATCH 01/21] linux: Update to 5.15.85 Content-Language: en-US To: development@lists.ipfire.org References: <0e60a1de-6210-835e-54a4-ec5e3128e42e@ipfire.org> From: =?utf-8?q?Peter_M=C3=BCller?= In-Reply-To: <0e60a1de-6210-835e-54a4-ec5e3128e42e@ipfire.org> X-BeenThere: development@lists.ipfire.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IPFire development talk List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: development-bounces@lists.ipfire.org Sender: "Development" Signed-off-by: Peter Müller --- config/kernel/kernel.config.x86_64-ipfire | 5 +- config/rootfiles/common/x86_64/linux | 16 +- lfs/linux | 9 +- .../linux-5.15-wifi-security-patches-1.patch | 50 - .../linux-5.15-wifi-security-patches-10.patch | 98 -- .../linux-5.15-wifi-security-patches-11.patch | 96 -- .../linux-5.15-wifi-security-patches-12.patch | 1179 ----------------- .../linux-5.15-wifi-security-patches-13.patch | 130 -- .../linux-5.15-wifi-security-patches-14.patch | 107 -- .../linux-5.15-wifi-security-patches-2.patch | 59 - .../linux-5.15-wifi-security-patches-3.patch | 49 - .../linux-5.15-wifi-security-patches-4.patch | 96 -- .../linux-5.15-wifi-security-patches-5.patch | 56 - .../linux-5.15-wifi-security-patches-6.patch | 39 - .../linux-5.15-wifi-security-patches-7.patch | 60 - .../linux-5.15-wifi-security-patches-8.patch | 94 -- .../linux-5.15-wifi-security-patches-9.patch | 126 -- 17 files changed, 10 insertions(+), 2259 deletions(-) delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-1.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-10.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-11.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-12.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-13.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-14.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-2.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-3.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-4.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-5.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-6.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-7.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-8.patch delete mode 100644 src/patches/linux/linux-5.15-wifi-security-patches-9.patch diff --git a/config/kernel/kernel.config.x86_64-ipfire b/config/kernel/kernel.config.x86_64-ipfire index bb4655a99..b160322cf 100644 --- a/config/kernel/kernel.config.x86_64-ipfire +++ b/config/kernel/kernel.config.x86_64-ipfire @@ -1,6 +1,6 @@ # # Automatically generated file; DO NOT EDIT. -# Linux/x86 5.15.68-ipfire Kernel Configuration +# Linux/x86 5.15.85-ipfire Kernel Configuration # CONFIG_CC_VERSION_TEXT="gcc (GCC) 11.3.0" CONFIG_CC_IS_GCC=y @@ -1036,6 +1036,7 @@ CONFIG_INET_ESP=m CONFIG_INET_ESP_OFFLOAD=m # CONFIG_INET_ESPINTCP is not set CONFIG_INET_IPCOMP=m +CONFIG_INET_TABLE_PERTURB_ORDER=16 CONFIG_INET_XFRM_TUNNEL=m CONFIG_INET_TUNNEL=m CONFIG_INET_DIAG=m @@ -7393,6 +7394,8 @@ CONFIG_SYMBOLIC_ERRNAME=y CONFIG_DEBUG_BUGVERBOSE=y # end of printk and dmesg options +CONFIG_AS_HAS_NON_CONST_LEB128=y + # # Compile-time checks and compiler options # diff --git a/config/rootfiles/common/x86_64/linux b/config/rootfiles/common/x86_64/linux index 518230b39..d71fa4142 100644 --- a/config/rootfiles/common/x86_64/linux +++ b/config/rootfiles/common/x86_64/linux @@ -6525,6 +6525,7 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/ASYNC_TX_DMA #lib/modules/KVER-ipfire/build/include/config/ASYNC_XOR #lib/modules/KVER-ipfire/build/include/config/AS_AVX512 +#lib/modules/KVER-ipfire/build/include/config/AS_HAS_NON_CONST_LEB128 #lib/modules/KVER-ipfire/build/include/config/AS_IS_GNU #lib/modules/KVER-ipfire/build/include/config/AS_SHA1_NI #lib/modules/KVER-ipfire/build/include/config/AS_SHA256_NI @@ -6668,8 +6669,6 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/BITREVERSE #lib/modules/KVER-ipfire/build/include/config/BLK_CGROUP #lib/modules/KVER-ipfire/build/include/config/BLK_CGROUP_RWSTAT -#lib/modules/KVER-ipfire/build/include/config/BLK_DEBUG_FS -#lib/modules/KVER-ipfire/build/include/config/BLK_DEBUG_FS_ZONED #lib/modules/KVER-ipfire/build/include/config/BLK_DEV #lib/modules/KVER-ipfire/build/include/config/BLK_DEV_3W_XXXX_RAID #lib/modules/KVER-ipfire/build/include/config/BLK_DEV_BSG @@ -7089,8 +7088,6 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/DE2104X_DSL #lib/modules/KVER-ipfire/build/include/config/DE4X5 #lib/modules/KVER-ipfire/build/include/config/DEBUG_BUGVERBOSE -#lib/modules/KVER-ipfire/build/include/config/DEBUG_FS -#lib/modules/KVER-ipfire/build/include/config/DEBUG_FS_ALLOW_ALL #lib/modules/KVER-ipfire/build/include/config/DEBUG_KERNEL #lib/modules/KVER-ipfire/build/include/config/DEBUG_MISC #lib/modules/KVER-ipfire/build/include/config/DEBUG_WX @@ -7422,7 +7419,6 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/DW_XDATA_PCIE #lib/modules/KVER-ipfire/build/include/config/DYNAMIC_DEBUG #lib/modules/KVER-ipfire/build/include/config/DYNAMIC_DEBUG_CORE -#lib/modules/KVER-ipfire/build/include/config/DYNAMIC_EVENTS #lib/modules/KVER-ipfire/build/include/config/DYNAMIC_FTRACE #lib/modules/KVER-ipfire/build/include/config/DYNAMIC_FTRACE_WITH_ARGS #lib/modules/KVER-ipfire/build/include/config/DYNAMIC_FTRACE_WITH_DIRECT_CALLS @@ -8024,6 +8020,7 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/INET_IPCOMP #lib/modules/KVER-ipfire/build/include/config/INET_RAW_DIAG #lib/modules/KVER-ipfire/build/include/config/INET_SCTP_DIAG +#lib/modules/KVER-ipfire/build/include/config/INET_TABLE_PERTURB_ORDER #lib/modules/KVER-ipfire/build/include/config/INET_TCP_DIAG #lib/modules/KVER-ipfire/build/include/config/INET_TUNNEL #lib/modules/KVER-ipfire/build/include/config/INET_UDP_DIAG @@ -8424,7 +8421,6 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/LOCKUP_DETECTOR #lib/modules/KVER-ipfire/build/include/config/LOCK_DEBUGGING_SUPPORT #lib/modules/KVER-ipfire/build/include/config/LOCK_DOWN_KERNEL_FORCE_NONE -#lib/modules/KVER-ipfire/build/include/config/LOCK_EVENT_COUNTS #lib/modules/KVER-ipfire/build/include/config/LOCK_SPIN_ON_OWNER #lib/modules/KVER-ipfire/build/include/config/LOGO #lib/modules/KVER-ipfire/build/include/config/LOGO_LINUX_CLUT224 @@ -9490,7 +9486,6 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/PRINTER #lib/modules/KVER-ipfire/build/include/config/PRINTK #lib/modules/KVER-ipfire/build/include/config/PRINTK_SAFE_LOG_BUF_SHIFT -#lib/modules/KVER-ipfire/build/include/config/PROBE_EVENTS #lib/modules/KVER-ipfire/build/include/config/PROC_EVENTS #lib/modules/KVER-ipfire/build/include/config/PROC_FS #lib/modules/KVER-ipfire/build/include/config/PROC_PAGE_MONITOR @@ -9848,7 +9843,6 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/SCSI_SCAN_ASYNC #lib/modules/KVER-ipfire/build/include/config/SCSI_SMARTPQI #lib/modules/KVER-ipfire/build/include/config/SCSI_SNIC -#lib/modules/KVER-ipfire/build/include/config/SCSI_SNIC_DEBUG_FS #lib/modules/KVER-ipfire/build/include/config/SCSI_SPI_ATTRS #lib/modules/KVER-ipfire/build/include/config/SCSI_SRP_ATTRS #lib/modules/KVER-ipfire/build/include/config/SCSI_STEX @@ -10385,7 +10379,6 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/SWIOTLB #lib/modules/KVER-ipfire/build/include/config/SWIOTLB_XEN #lib/modules/KVER-ipfire/build/include/config/SWPHY -#lib/modules/KVER-ipfire/build/include/config/SW_SYNC #lib/modules/KVER-ipfire/build/include/config/SXGBE_ETH #lib/modules/KVER-ipfire/build/include/config/SYMBOLIC_ERRNAME #lib/modules/KVER-ipfire/build/include/config/SYNCLINK_GT @@ -10533,8 +10526,6 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/UNIX_DIAG #lib/modules/KVER-ipfire/build/include/config/UNIX_SCM #lib/modules/KVER-ipfire/build/include/config/UNWINDER_ORC -#lib/modules/KVER-ipfire/build/include/config/UPROBES -#lib/modules/KVER-ipfire/build/include/config/UPROBE_EVENTS #lib/modules/KVER-ipfire/build/include/config/USB #lib/modules/KVER-ipfire/build/include/config/USBIP_CORE #lib/modules/KVER-ipfire/build/include/config/USBIP_HOST @@ -11105,7 +11096,6 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/include/config/XEN_BLKDEV_BACKEND #lib/modules/KVER-ipfire/build/include/config/XEN_BLKDEV_FRONTEND #lib/modules/KVER-ipfire/build/include/config/XEN_COMPAT_XENFS -#lib/modules/KVER-ipfire/build/include/config/XEN_DEBUG_FS #lib/modules/KVER-ipfire/build/include/config/XEN_DEV_EVTCHN #lib/modules/KVER-ipfire/build/include/config/XEN_DOM0 #lib/modules/KVER-ipfire/build/include/config/XEN_EFI @@ -16866,6 +16856,8 @@ etc/modprobe.d/ipv6.conf #lib/modules/KVER-ipfire/build/init #lib/modules/KVER-ipfire/build/init/Kconfig #lib/modules/KVER-ipfire/build/init/Makefile +#lib/modules/KVER-ipfire/build/io_uring +#lib/modules/KVER-ipfire/build/io_uring/Makefile #lib/modules/KVER-ipfire/build/ipc #lib/modules/KVER-ipfire/build/ipc/Makefile #lib/modules/KVER-ipfire/build/kernel diff --git a/lfs/linux b/lfs/linux index b628307fd..59238049c 100644 --- a/lfs/linux +++ b/lfs/linux @@ -24,7 +24,7 @@ include Config -VER = 5.15.71 +VER = 5.15.85 ARM_PATCHES = 5.15-ipfire5 THISAPP = linux-$(VER) @@ -78,7 +78,7 @@ objects =$(DL_FILE) \ $(DL_FILE) = $(URL_IPFIRE)/$(DL_FILE) arm-multi-patches-$(ARM_PATCHES).patch.xz = $(URL_IPFIRE)/arm-multi-patches-$(ARM_PATCHES).patch.xz -$(DL_FILE)_BLAKE2 = 77da2393a31b6c6fed7cdfef61a112ae49fcdfce96968daf8c7a690a6e65025c7238c1fe084d0bfda403dc56db877b6db99def12803e840cacf318da40327d7b +$(DL_FILE)_BLAKE2 = 481cea334dee4146d72704ecb88f654bd38ca62a5a28540f365a57f5cd522551c4b7f854c09380ec614098a9efa5dff4cef70c9cafe6277a410d3d2099eca1cc arm-multi-patches-$(ARM_PATCHES).patch.xz_BLAKE2 = 58a70e757a9121a0aac83604a37aa787ec7ac0ee4970c5a3ac3bcb2dbaca32b00089cae6c0da5cf2fe0a2e156427b5165c6a86e0371a3e896f4c7cdd699c34a0 install : $(TARGET) @@ -146,11 +146,6 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects)) # https://bugzilla.ipfire.org/show_bug.cgi?id=12889 cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/devtmpfs-mount-with-noexec-and-nosuid.patch - # https://lists.ipfire.org/pipermail/development/2022-October/014562.html - for i in $$(seq 1 14); do \ - cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-5.15-wifi-security-patches-$$i.patch || exit 1; \ - done - ifeq "$(BUILD_ARCH)" "armv6l" # Apply Arm-multiarch kernel patches. cd $(DIR_APP) && xzcat $(DIR_DL)/arm-multi-patches-$(ARM_PATCHES).patch.xz | patch -Np1 diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-1.patch b/src/patches/linux/linux-5.15-wifi-security-patches-1.patch deleted file mode 100644 index b646eea49..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-1.patch +++ /dev/null @@ -1,50 +0,0 @@ -From 9a8ef2030510a9d6ce86fd535b8d10720230811f Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Wed, 28 Sep 2022 21:56:15 +0200 -Subject: [PATCH] wifi: cfg80211: fix u8 overflow in - cfg80211_update_notlisted_nontrans() - -commit aebe9f4639b13a1f4e9a6b42cdd2e38c617b442d upstream. - -In the copy code of the elements, we do the following calculation -to reach the end of the MBSSID element: - - /* copy the IEs after MBSSID */ - cpy_len = mbssid[1] + 2; - -This looks fine, however, cpy_len is a u8, the same as mbssid[1], -so the addition of two can overflow. In this case the subsequent -memcpy() will overflow the allocated buffer, since it copies 256 -bytes too much due to the way the allocation and memcpy() sizes -are calculated. - -Fix this by using size_t for the cpy_len variable. - -This fixes CVE-2022-41674. - -Reported-by: Soenke Huster -Tested-by: Soenke Huster -Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning") -Reviewed-by: Kees Cook -Signed-off-by: Johannes Berg -Signed-off-by: Greg Kroah-Hartman ---- - net/wireless/scan.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/net/wireless/scan.c b/net/wireless/scan.c -index 1a8b76c9dd56..d9ab37a798f4 100644 ---- a/net/wireless/scan.c -+++ b/net/wireless/scan.c -@@ -2238,7 +2238,7 @@ cfg80211_update_notlisted_nontrans(struct wiphy *wiphy, - size_t new_ie_len; - struct cfg80211_bss_ies *new_ies; - const struct cfg80211_bss_ies *old; -- u8 cpy_len; -+ size_t cpy_len; - - lockdep_assert_held(&wiphy_to_rdev(wiphy)->bss_lock); - --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-10.patch b/src/patches/linux/linux-5.15-wifi-security-patches-10.patch deleted file mode 100644 index 51986afe7..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-10.patch +++ /dev/null @@ -1,98 +0,0 @@ -From 21df3a583e8e03d8f74fa2eedbcd7a2b3f5cabc1 Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Thu, 13 Oct 2022 20:15:57 +0200 -Subject: [PATCH] mac80211: move CRC into struct ieee802_11_elems - -commit c6e37ed498f958254b5459253199e816b6bfc52f upstream. - -We're currently returning this value, but to prepare for -returning the allocated structure, move it into there. - -Link: https://lore.kernel.org/r/20210920154009.479b8ebf999d.If0d4ba75ee38998dc3eeae25058aa748efcb2fc9@changeid -Signed-off-by: Johannes Berg -Cc: Felix Fietkau -Signed-off-by: Greg Kroah-Hartman ---- - net/mac80211/ieee80211_i.h | 9 +++++---- - net/mac80211/mlme.c | 9 +++++---- - net/mac80211/util.c | 10 +++++----- - 3 files changed, 15 insertions(+), 13 deletions(-) - -diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h -index 4bd55af184b2..5ea38ae65809 100644 ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -1532,6 +1532,7 @@ struct ieee80211_csa_ie { - struct ieee802_11_elems { - const u8 *ie_start; - size_t total_len; -+ u32 crc; - - /* pointers to IEs */ - const struct ieee80211_tdls_lnkie *lnk_id; -@@ -2218,10 +2219,10 @@ static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, - ieee80211_tx_skb_tid(sdata, skb, 7); - } - --u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, -- struct ieee802_11_elems *elems, -- u64 filter, u32 crc, u8 *transmitter_bssid, -- u8 *bss_bssid); -+void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, -+ struct ieee802_11_elems *elems, -+ u64 filter, u32 crc, u8 *transmitter_bssid, -+ u8 *bss_bssid); - static inline void ieee802_11_parse_elems(const u8 *start, size_t len, - bool action, - struct ieee802_11_elems *elems, -diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c -index 1548f532dc1a..4414e82e71d1 100644 ---- a/net/mac80211/mlme.c -+++ b/net/mac80211/mlme.c -@@ -4102,10 +4102,11 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - */ - if (!ieee80211_is_s1g_beacon(hdr->frame_control)) - ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4); -- ncrc = ieee802_11_parse_elems_crc(variable, -- len - baselen, false, &elems, -- care_about_ies, ncrc, -- mgmt->bssid, bssid); -+ ieee802_11_parse_elems_crc(variable, -+ len - baselen, false, &elems, -+ care_about_ies, ncrc, -+ mgmt->bssid, bssid); -+ ncrc = elems.crc; - - if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) && - ieee80211_check_tim(elems.tim, elems.tim_len, bss_conf->aid)) { -diff --git a/net/mac80211/util.c b/net/mac80211/util.c -index 00543ea9c6b5..ceb6894381e4 100644 ---- a/net/mac80211/util.c -+++ b/net/mac80211/util.c -@@ -1468,10 +1468,10 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len, - return found ? profile_len : 0; - } - --u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, -- struct ieee802_11_elems *elems, -- u64 filter, u32 crc, u8 *transmitter_bssid, -- u8 *bss_bssid) -+void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, -+ struct ieee802_11_elems *elems, -+ u64 filter, u32 crc, u8 *transmitter_bssid, -+ u8 *bss_bssid) - { - const struct element *non_inherit = NULL; - u8 *nontransmitted_profile; -@@ -1523,7 +1523,7 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, - - kfree(nontransmitted_profile); - -- return crc; -+ elems->crc = crc; - } - - void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata, --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-11.patch b/src/patches/linux/linux-5.15-wifi-security-patches-11.patch deleted file mode 100644 index ae639c696..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-11.patch +++ /dev/null @@ -1,96 +0,0 @@ -From 630060f1175676b9cb3a032767f20dbce93616c9 Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Thu, 13 Oct 2022 20:15:58 +0200 -Subject: [PATCH] mac80211: mlme: find auth challenge directly - -commit 49a765d6785e99157ff5091cc37485732496864e upstream. - -There's no need to parse all elements etc. just to find the -authentication challenge - use cfg80211_find_elem() instead. -This also allows us to remove WLAN_EID_CHALLENGE handling -from the element parsing entirely. - -Link: https://lore.kernel.org/r/20210920154009.45f9b3a15722.Ice3159ffad03a007d6154cbf1fb3a8c48489e86f@changeid -Signed-off-by: Johannes Berg -Cc: Felix Fietkau -Signed-off-by: Greg Kroah-Hartman ---- - net/mac80211/ieee80211_i.h | 2 -- - net/mac80211/mlme.c | 11 ++++++----- - net/mac80211/util.c | 4 ---- - 3 files changed, 6 insertions(+), 11 deletions(-) - -diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h -index 5ea38ae65809..c5f0ff805010 100644 ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -1542,7 +1542,6 @@ struct ieee802_11_elems { - const u8 *supp_rates; - const u8 *ds_params; - const struct ieee80211_tim_ie *tim; -- const u8 *challenge; - const u8 *rsn; - const u8 *rsnx; - const u8 *erp_info; -@@ -1596,7 +1595,6 @@ struct ieee802_11_elems { - u8 ssid_len; - u8 supp_rates_len; - u8 tim_len; -- u8 challenge_len; - u8 rsn_len; - u8 rsnx_len; - u8 ext_supp_rates_len; -diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c -index 4414e82e71d1..548cd14c5503 100644 ---- a/net/mac80211/mlme.c -+++ b/net/mac80211/mlme.c -@@ -2889,17 +2889,17 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata, - { - struct ieee80211_local *local = sdata->local; - struct ieee80211_mgd_auth_data *auth_data = sdata->u.mgd.auth_data; -+ const struct element *challenge; - u8 *pos; -- struct ieee802_11_elems elems; - u32 tx_flags = 0; - struct ieee80211_prep_tx_info info = { - .subtype = IEEE80211_STYPE_AUTH, - }; - - pos = mgmt->u.auth.variable; -- ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems, -- mgmt->bssid, auth_data->bss->bssid); -- if (!elems.challenge) -+ challenge = cfg80211_find_elem(WLAN_EID_CHALLENGE, pos, -+ len - (pos - (u8 *)mgmt)); -+ if (!challenge) - return; - auth_data->expected_transaction = 4; - drv_mgd_prepare_tx(sdata->local, sdata, &info); -@@ -2907,7 +2907,8 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata, - tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS | - IEEE80211_TX_INTFL_MLME_CONN_TX; - ieee80211_send_auth(sdata, 3, auth_data->algorithm, 0, -- elems.challenge - 2, elems.challenge_len + 2, -+ (void *)challenge, -+ challenge->datalen + sizeof(*challenge), - auth_data->bss->bssid, auth_data->bss->bssid, - auth_data->key, auth_data->key_len, - auth_data->key_idx, tx_flags); -diff --git a/net/mac80211/util.c b/net/mac80211/util.c -index ceb6894381e4..664c32b6db19 100644 ---- a/net/mac80211/util.c -+++ b/net/mac80211/util.c -@@ -1117,10 +1117,6 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, - } else - elem_parse_failed = true; - break; -- case WLAN_EID_CHALLENGE: -- elems->challenge = pos; -- elems->challenge_len = elen; -- break; - case WLAN_EID_VENDOR_SPECIFIC: - if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 && - pos[2] == 0xf2) { --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-12.patch b/src/patches/linux/linux-5.15-wifi-security-patches-12.patch deleted file mode 100644 index 4dea89e4c..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-12.patch +++ /dev/null @@ -1,1179 +0,0 @@ -From fee48f3bdd7516bb63da507213916227cf147211 Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Thu, 13 Oct 2022 20:15:59 +0200 -Subject: [PATCH] mac80211: always allocate struct ieee802_11_elems - -As the 802.11 spec evolves, we need to parse more and more -elements. This is causing the struct to grow, and we can no -longer get away with putting it on the stack. - -Change the API to always dynamically allocate and return an -allocated pointer that must be kfree()d later. - -As an alternative, I contemplated a scheme whereby we'd say -in the code which elements we needed, e.g. - - DECLARE_ELEMENT_PARSER(elems, - SUPPORTED_CHANNELS, - CHANNEL_SWITCH, - EXT(KEY_DELIVERY)); - - ieee802_11_parse_elems(..., &elems, ...); - -and while I think this is possible and will save us a lot -since most individual places only care about a small subset -of the elements, it ended up being a bit more work since a -lot of places do the parsing and then pass the struct to -other functions, sometimes with multiple levels. - -Link: https://lore.kernel.org/r/20210920154009.26caff6b5998.I05ae58768e990e611aee8eca8abefd9d7bc15e05@changeid -Signed-off-by: Johannes Berg -Cc: Felix Fietkau -Signed-off-by: Greg Kroah-Hartman ---- - net/mac80211/agg-rx.c | 11 +-- - net/mac80211/ibss.c | 25 +++--- - net/mac80211/ieee80211_i.h | 22 ++--- - net/mac80211/mesh.c | 85 ++++++++++-------- - net/mac80211/mesh_hwmp.c | 44 +++++----- - net/mac80211/mesh_plink.c | 11 +-- - net/mac80211/mlme.c | 176 +++++++++++++++++++++---------------- - net/mac80211/scan.c | 16 ++-- - net/mac80211/tdls.c | 63 +++++++------ - net/mac80211/util.c | 20 +++-- - 10 files changed, 272 insertions(+), 201 deletions(-) - -diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c -index e43176794149..ffa4f31f6c2b 100644 ---- a/net/mac80211/agg-rx.c -+++ b/net/mac80211/agg-rx.c -@@ -478,7 +478,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, - size_t len) - { - u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num; -- struct ieee802_11_elems elems = { }; -+ struct ieee802_11_elems *elems = NULL; - u8 dialog_token; - int ies_len; - -@@ -496,16 +496,17 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, - ies_len = len - offsetof(struct ieee80211_mgmt, - u.action.u.addba_req.variable); - if (ies_len) { -- ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable, -- ies_len, true, &elems, mgmt->bssid, NULL); -- if (elems.parse_error) -+ elems = ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable, -+ ies_len, true, mgmt->bssid, NULL); -+ if (!elems || elems->parse_error) - return; - } - - __ieee80211_start_rx_ba_session(sta, dialog_token, timeout, - start_seq_num, ba_policy, tid, - buf_size, true, false, -- elems.addba_ext_ie); -+ elems ? elems->addba_ext_ie : NULL); -+ kfree(elems); - } - - void ieee80211_manage_rx_ba_offl(struct ieee80211_vif *vif, -diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c -index 1e133ca58e78..4b721b48f86a 100644 ---- a/net/mac80211/ibss.c -+++ b/net/mac80211/ibss.c -@@ -9,7 +9,7 @@ - * Copyright 2009, Johannes Berg - * Copyright 2013-2014 Intel Mobile Communications GmbH - * Copyright(c) 2016 Intel Deutschland GmbH -- * Copyright(c) 2018-2020 Intel Corporation -+ * Copyright(c) 2018-2021 Intel Corporation - */ - - #include -@@ -1593,7 +1593,7 @@ void ieee80211_rx_mgmt_probe_beacon(struct ieee80211_sub_if_data *sdata, - struct ieee80211_rx_status *rx_status) - { - size_t baselen; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - - BUILD_BUG_ON(offsetof(typeof(mgmt->u.probe_resp), variable) != - offsetof(typeof(mgmt->u.beacon), variable)); -@@ -1606,10 +1606,14 @@ void ieee80211_rx_mgmt_probe_beacon(struct ieee80211_sub_if_data *sdata, - if (baselen > len) - return; - -- ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen, -- false, &elems, mgmt->bssid, NULL); -+ elems = ieee802_11_parse_elems(mgmt->u.probe_resp.variable, -+ len - baselen, false, -+ mgmt->bssid, NULL); - -- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems); -+ if (elems) { -+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, elems); -+ kfree(elems); -+ } - } - - void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, -@@ -1618,7 +1622,7 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, - struct ieee80211_rx_status *rx_status; - struct ieee80211_mgmt *mgmt; - u16 fc; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - int ies_len; - - rx_status = IEEE80211_SKB_RXCB(skb); -@@ -1655,15 +1659,16 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, - if (ies_len < 0) - break; - -- ieee802_11_parse_elems( -+ elems = ieee802_11_parse_elems( - mgmt->u.action.u.chan_switch.variable, -- ies_len, true, &elems, mgmt->bssid, NULL); -+ ies_len, true, mgmt->bssid, NULL); - -- if (elems.parse_error) -+ if (!elems || elems->parse_error) - break; - - ieee80211_rx_mgmt_spectrum_mgmt(sdata, mgmt, skb->len, -- rx_status, &elems); -+ rx_status, elems); -+ kfree(elems); - break; - } - } -diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h -index c5f0ff805010..3633e49239c7 100644 ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -2217,18 +2217,18 @@ static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, - ieee80211_tx_skb_tid(sdata, skb, 7); - } - --void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, -- struct ieee802_11_elems *elems, -- u64 filter, u32 crc, u8 *transmitter_bssid, -- u8 *bss_bssid); --static inline void ieee802_11_parse_elems(const u8 *start, size_t len, -- bool action, -- struct ieee802_11_elems *elems, -- u8 *transmitter_bssid, -- u8 *bss_bssid) -+struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len, -+ bool action, -+ u64 filter, u32 crc, -+ const u8 *transmitter_bssid, -+ const u8 *bss_bssid); -+static inline struct ieee802_11_elems * -+ieee802_11_parse_elems(const u8 *start, size_t len, bool action, -+ const u8 *transmitter_bssid, -+ const u8 *bss_bssid) - { -- ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0, -- transmitter_bssid, bss_bssid); -+ return ieee802_11_parse_elems_crc(start, len, action, 0, 0, -+ transmitter_bssid, bss_bssid); - } - - -diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c -index 9f6414a68d71..6847fdf93439 100644 ---- a/net/mac80211/mesh.c -+++ b/net/mac80211/mesh.c -@@ -1247,7 +1247,7 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata, - struct sk_buff *presp; - struct beacon_data *bcn; - struct ieee80211_mgmt *hdr; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - size_t baselen; - u8 *pos; - -@@ -1256,22 +1256,24 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata, - if (baselen > len) - return; - -- ieee802_11_parse_elems(pos, len - baselen, false, &elems, mgmt->bssid, -- NULL); -- -- if (!elems.mesh_id) -+ elems = ieee802_11_parse_elems(pos, len - baselen, false, mgmt->bssid, -+ NULL); -+ if (!elems) - return; - -+ if (!elems->mesh_id) -+ goto free; -+ - /* 802.11-2012 10.1.4.3.2 */ - if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) && - !is_broadcast_ether_addr(mgmt->da)) || -- elems.ssid_len != 0) -- return; -+ elems->ssid_len != 0) -+ goto free; - -- if (elems.mesh_id_len != 0 && -- (elems.mesh_id_len != ifmsh->mesh_id_len || -- memcmp(elems.mesh_id, ifmsh->mesh_id, ifmsh->mesh_id_len))) -- return; -+ if (elems->mesh_id_len != 0 && -+ (elems->mesh_id_len != ifmsh->mesh_id_len || -+ memcmp(elems->mesh_id, ifmsh->mesh_id, ifmsh->mesh_id_len))) -+ goto free; - - rcu_read_lock(); - bcn = rcu_dereference(ifmsh->beacon); -@@ -1295,6 +1297,8 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata, - ieee80211_tx_skb(sdata, presp); - out: - rcu_read_unlock(); -+free: -+ kfree(elems); - } - - static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, -@@ -1305,7 +1309,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, - { - struct ieee80211_local *local = sdata->local; - struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - struct ieee80211_channel *channel; - size_t baselen; - int freq; -@@ -1320,42 +1324,47 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, - if (baselen > len) - return; - -- ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen, -- false, &elems, mgmt->bssid, NULL); -+ elems = ieee802_11_parse_elems(mgmt->u.probe_resp.variable, -+ len - baselen, -+ false, mgmt->bssid, NULL); -+ if (!elems) -+ return; - - /* ignore non-mesh or secure / unsecure mismatch */ -- if ((!elems.mesh_id || !elems.mesh_config) || -- (elems.rsn && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) || -- (!elems.rsn && sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)) -- return; -+ if ((!elems->mesh_id || !elems->mesh_config) || -+ (elems->rsn && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) || -+ (!elems->rsn && sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)) -+ goto free; - -- if (elems.ds_params) -- freq = ieee80211_channel_to_frequency(elems.ds_params[0], band); -+ if (elems->ds_params) -+ freq = ieee80211_channel_to_frequency(elems->ds_params[0], band); - else - freq = rx_status->freq; - - channel = ieee80211_get_channel(local->hw.wiphy, freq); - - if (!channel || channel->flags & IEEE80211_CHAN_DISABLED) -- return; -+ goto free; - -- if (mesh_matches_local(sdata, &elems)) { -+ if (mesh_matches_local(sdata, elems)) { - mpl_dbg(sdata, "rssi_threshold=%d,rx_status->signal=%d\n", - sdata->u.mesh.mshcfg.rssi_threshold, rx_status->signal); - if (!sdata->u.mesh.user_mpm || - sdata->u.mesh.mshcfg.rssi_threshold == 0 || - sdata->u.mesh.mshcfg.rssi_threshold < rx_status->signal) -- mesh_neighbour_update(sdata, mgmt->sa, &elems, -+ mesh_neighbour_update(sdata, mgmt->sa, elems, - rx_status); - - if (ifmsh->csa_role != IEEE80211_MESH_CSA_ROLE_INIT && - !sdata->vif.csa_active) -- ieee80211_mesh_process_chnswitch(sdata, &elems, true); -+ ieee80211_mesh_process_chnswitch(sdata, elems, true); - } - - if (ifmsh->sync_ops) - ifmsh->sync_ops->rx_bcn_presp(sdata, stype, mgmt, len, -- elems.mesh_config, rx_status); -+ elems->mesh_config, rx_status); -+free: -+ kfree(elems); - } - - int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata) -@@ -1447,7 +1456,7 @@ static void mesh_rx_csa_frame(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, size_t len) - { - struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - u16 pre_value; - bool fwd_csa = true; - size_t baselen; -@@ -1460,33 +1469,37 @@ static void mesh_rx_csa_frame(struct ieee80211_sub_if_data *sdata, - pos = mgmt->u.action.u.chan_switch.variable; - baselen = offsetof(struct ieee80211_mgmt, - u.action.u.chan_switch.variable); -- ieee802_11_parse_elems(pos, len - baselen, true, &elems, -- mgmt->bssid, NULL); -- -- if (!mesh_matches_local(sdata, &elems)) -+ elems = ieee802_11_parse_elems(pos, len - baselen, true, -+ mgmt->bssid, NULL); -+ if (!elems) - return; - -- ifmsh->chsw_ttl = elems.mesh_chansw_params_ie->mesh_ttl; -+ if (!mesh_matches_local(sdata, elems)) -+ goto free; -+ -+ ifmsh->chsw_ttl = elems->mesh_chansw_params_ie->mesh_ttl; - if (!--ifmsh->chsw_ttl) - fwd_csa = false; - -- pre_value = le16_to_cpu(elems.mesh_chansw_params_ie->mesh_pre_value); -+ pre_value = le16_to_cpu(elems->mesh_chansw_params_ie->mesh_pre_value); - if (ifmsh->pre_value >= pre_value) -- return; -+ goto free; - - ifmsh->pre_value = pre_value; - - if (!sdata->vif.csa_active && -- !ieee80211_mesh_process_chnswitch(sdata, &elems, false)) { -+ !ieee80211_mesh_process_chnswitch(sdata, elems, false)) { - mcsa_dbg(sdata, "Failed to process CSA action frame"); -- return; -+ goto free; - } - - /* forward or re-broadcast the CSA frame */ - if (fwd_csa) { -- if (mesh_fwd_csa_frame(sdata, mgmt, len, &elems) < 0) -+ if (mesh_fwd_csa_frame(sdata, mgmt, len, elems) < 0) - mcsa_dbg(sdata, "Failed to forward the CSA frame"); - } -+free: -+ kfree(elems); - } - - static void ieee80211_mesh_rx_mgmt_action(struct ieee80211_sub_if_data *sdata, -diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c -index a05b615deb51..44a6fdb6efbd 100644 ---- a/net/mac80211/mesh_hwmp.c -+++ b/net/mac80211/mesh_hwmp.c -@@ -1,7 +1,7 @@ - // SPDX-License-Identifier: GPL-2.0-only - /* - * Copyright (c) 2008, 2009 open80211s Ltd. -- * Copyright (C) 2019 Intel Corporation -+ * Copyright (C) 2019, 2021 Intel Corporation - * Author: Luis Carlos Cobo - */ - -@@ -908,7 +908,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, - void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, size_t len) - { -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - size_t baselen; - u32 path_metric; - struct sta_info *sta; -@@ -926,37 +926,41 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata, - rcu_read_unlock(); - - baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt; -- ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable, -- len - baselen, false, &elems, mgmt->bssid, NULL); -+ elems = ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable, -+ len - baselen, false, mgmt->bssid, NULL); -+ if (!elems) -+ return; - -- if (elems.preq) { -- if (elems.preq_len != 37) -+ if (elems->preq) { -+ if (elems->preq_len != 37) - /* Right now we support just 1 destination and no AE */ -- return; -- path_metric = hwmp_route_info_get(sdata, mgmt, elems.preq, -+ goto free; -+ path_metric = hwmp_route_info_get(sdata, mgmt, elems->preq, - MPATH_PREQ); - if (path_metric) -- hwmp_preq_frame_process(sdata, mgmt, elems.preq, -+ hwmp_preq_frame_process(sdata, mgmt, elems->preq, - path_metric); - } -- if (elems.prep) { -- if (elems.prep_len != 31) -+ if (elems->prep) { -+ if (elems->prep_len != 31) - /* Right now we support no AE */ -- return; -- path_metric = hwmp_route_info_get(sdata, mgmt, elems.prep, -+ goto free; -+ path_metric = hwmp_route_info_get(sdata, mgmt, elems->prep, - MPATH_PREP); - if (path_metric) -- hwmp_prep_frame_process(sdata, mgmt, elems.prep, -+ hwmp_prep_frame_process(sdata, mgmt, elems->prep, - path_metric); - } -- if (elems.perr) { -- if (elems.perr_len != 15) -+ if (elems->perr) { -+ if (elems->perr_len != 15) - /* Right now we support only one destination per PERR */ -- return; -- hwmp_perr_frame_process(sdata, mgmt, elems.perr); -+ goto free; -+ hwmp_perr_frame_process(sdata, mgmt, elems->perr); - } -- if (elems.rann) -- hwmp_rann_frame_process(sdata, mgmt, elems.rann); -+ if (elems->rann) -+ hwmp_rann_frame_process(sdata, mgmt, elems->rann); -+free: -+ kfree(elems); - } - - /** -diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c -index a6915847d78a..a829470dd59e 100644 ---- a/net/mac80211/mesh_plink.c -+++ b/net/mac80211/mesh_plink.c -@@ -1,7 +1,7 @@ - // SPDX-License-Identifier: GPL-2.0-only - /* - * Copyright (c) 2008, 2009 open80211s Ltd. -- * Copyright (C) 2019 Intel Corporation -+ * Copyright (C) 2019, 2021 Intel Corporation - * Author: Luis Carlos Cobo - */ - #include -@@ -1200,7 +1200,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, size_t len, - struct ieee80211_rx_status *rx_status) - { -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - size_t baselen; - u8 *baseaddr; - -@@ -1228,7 +1228,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, - if (baselen > len) - return; - } -- ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems, -- mgmt->bssid, NULL); -- mesh_process_plink_frame(sdata, mgmt, &elems, rx_status); -+ elems = ieee802_11_parse_elems(baseaddr, len - baselen, true, -+ mgmt->bssid, NULL); -+ mesh_process_plink_frame(sdata, mgmt, elems, rx_status); -+ kfree(elems); - } -diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c -index 548cd14c5503..45efa1d1c550 100644 ---- a/net/mac80211/mlme.c -+++ b/net/mac80211/mlme.c -@@ -3317,8 +3317,11 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, - aid = 0; /* TODO */ - } - capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info); -- ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, elems, -- mgmt->bssid, assoc_data->bss->bssid); -+ elems = ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, -+ mgmt->bssid, assoc_data->bss->bssid); -+ -+ if (!elems) -+ return false; - - if (elems->aid_resp) - aid = le16_to_cpu(elems->aid_resp->aid); -@@ -3340,7 +3343,8 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, - - if (!is_s1g && !elems->supp_rates) { - sdata_info(sdata, "no SuppRates element in AssocResp\n"); -- return false; -+ ret = false; -+ goto out; - } - - sdata->vif.bss_conf.aid = aid; -@@ -3362,7 +3366,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, - (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) && - (!elems->vht_cap_elem || !elems->vht_operation)))) { - const struct cfg80211_bss_ies *ies; -- struct ieee802_11_elems bss_elems; -+ struct ieee802_11_elems *bss_elems; - - rcu_read_lock(); - ies = rcu_dereference(cbss->ies); -@@ -3373,13 +3377,17 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, - if (!bss_ies) - return false; - -- ieee802_11_parse_elems(bss_ies->data, bss_ies->len, -- false, &bss_elems, -- mgmt->bssid, -- assoc_data->bss->bssid); -+ bss_elems = ieee802_11_parse_elems(bss_ies->data, bss_ies->len, -+ false, mgmt->bssid, -+ assoc_data->bss->bssid); -+ if (!bss_elems) { -+ ret = false; -+ goto out; -+ } -+ - if (assoc_data->wmm && -- !elems->wmm_param && bss_elems.wmm_param) { -- elems->wmm_param = bss_elems.wmm_param; -+ !elems->wmm_param && bss_elems->wmm_param) { -+ elems->wmm_param = bss_elems->wmm_param; - sdata_info(sdata, - "AP bug: WMM param missing from AssocResp\n"); - } -@@ -3388,30 +3396,32 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, - * Also check if we requested HT/VHT, otherwise the AP doesn't - * have to include the IEs in the (re)association response. - */ -- if (!elems->ht_cap_elem && bss_elems.ht_cap_elem && -+ if (!elems->ht_cap_elem && bss_elems->ht_cap_elem && - !(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) { -- elems->ht_cap_elem = bss_elems.ht_cap_elem; -+ elems->ht_cap_elem = bss_elems->ht_cap_elem; - sdata_info(sdata, - "AP bug: HT capability missing from AssocResp\n"); - } -- if (!elems->ht_operation && bss_elems.ht_operation && -+ if (!elems->ht_operation && bss_elems->ht_operation && - !(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) { -- elems->ht_operation = bss_elems.ht_operation; -+ elems->ht_operation = bss_elems->ht_operation; - sdata_info(sdata, - "AP bug: HT operation missing from AssocResp\n"); - } -- if (!elems->vht_cap_elem && bss_elems.vht_cap_elem && -+ if (!elems->vht_cap_elem && bss_elems->vht_cap_elem && - !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) { -- elems->vht_cap_elem = bss_elems.vht_cap_elem; -+ elems->vht_cap_elem = bss_elems->vht_cap_elem; - sdata_info(sdata, - "AP bug: VHT capa missing from AssocResp\n"); - } -- if (!elems->vht_operation && bss_elems.vht_operation && -+ if (!elems->vht_operation && bss_elems->vht_operation && - !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) { -- elems->vht_operation = bss_elems.vht_operation; -+ elems->vht_operation = bss_elems->vht_operation; - sdata_info(sdata, - "AP bug: VHT operation missing from AssocResp\n"); - } -+ -+ kfree(bss_elems); - } - - /* -@@ -3662,6 +3672,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, - - ret = true; - out: -+ kfree(elems); - kfree(bss_ies); - return ret; - } -@@ -3673,7 +3684,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, - struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - struct ieee80211_mgd_assoc_data *assoc_data = ifmgd->assoc_data; - u16 capab_info, status_code, aid; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - int ac, uapsd_queues = -1; - u8 *pos; - bool reassoc; -@@ -3730,14 +3741,16 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, - fils_decrypt_assoc_resp(sdata, (u8 *)mgmt, &len, assoc_data) < 0) - return; - -- ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems, -- mgmt->bssid, assoc_data->bss->bssid); -+ elems = ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, -+ mgmt->bssid, assoc_data->bss->bssid); -+ if (!elems) -+ goto notify_driver; - - if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY && -- elems.timeout_int && -- elems.timeout_int->type == WLAN_TIMEOUT_ASSOC_COMEBACK) { -+ elems->timeout_int && -+ elems->timeout_int->type == WLAN_TIMEOUT_ASSOC_COMEBACK) { - u32 tu, ms; -- tu = le32_to_cpu(elems.timeout_int->value); -+ tu = le32_to_cpu(elems->timeout_int->value); - ms = tu * 1024 / 1000; - sdata_info(sdata, - "%pM rejected association temporarily; comeback duration %u TU (%u ms)\n", -@@ -3757,7 +3770,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, - event.u.mlme.reason = status_code; - drv_event_callback(sdata->local, sdata, &event); - } else { -- if (!ieee80211_assoc_success(sdata, cbss, mgmt, len, &elems)) { -+ if (!ieee80211_assoc_success(sdata, cbss, mgmt, len, elems)) { - /* oops -- internal error -- send timeout for now */ - ieee80211_destroy_assoc_data(sdata, false, false); - cfg80211_assoc_timeout(sdata->dev, cbss); -@@ -3787,6 +3800,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, - ifmgd->assoc_req_ies, ifmgd->assoc_req_ies_len); - notify_driver: - drv_mgd_complete_tx(sdata->local, sdata, &info); -+ kfree(elems); - } - - static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, -@@ -3991,7 +4005,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; - struct ieee80211_mgmt *mgmt = (void *) hdr; - size_t baselen; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - struct ieee80211_local *local = sdata->local; - struct ieee80211_chanctx_conf *chanctx_conf; - struct ieee80211_channel *chan; -@@ -4037,15 +4051,16 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - - if (ifmgd->assoc_data && ifmgd->assoc_data->need_beacon && - ieee80211_rx_our_beacon(bssid, ifmgd->assoc_data->bss)) { -- ieee802_11_parse_elems(variable, -- len - baselen, false, &elems, -- bssid, -- ifmgd->assoc_data->bss->bssid); -+ elems = ieee802_11_parse_elems(variable, len - baselen, false, -+ bssid, -+ ifmgd->assoc_data->bss->bssid); -+ if (!elems) -+ return; - - ieee80211_rx_bss_info(sdata, mgmt, len, rx_status); - -- if (elems.dtim_period) -- ifmgd->dtim_period = elems.dtim_period; -+ if (elems->dtim_period) -+ ifmgd->dtim_period = elems->dtim_period; - ifmgd->have_beacon = true; - ifmgd->assoc_data->need_beacon = false; - if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) { -@@ -4053,17 +4068,17 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - le64_to_cpu(mgmt->u.beacon.timestamp); - sdata->vif.bss_conf.sync_device_ts = - rx_status->device_timestamp; -- sdata->vif.bss_conf.sync_dtim_count = elems.dtim_count; -+ sdata->vif.bss_conf.sync_dtim_count = elems->dtim_count; - } - -- if (elems.mbssid_config_ie) -+ if (elems->mbssid_config_ie) - bss_conf->profile_periodicity = -- elems.mbssid_config_ie->profile_periodicity; -+ elems->mbssid_config_ie->profile_periodicity; - else - bss_conf->profile_periodicity = 0; - -- if (elems.ext_capab_len >= 11 && -- (elems.ext_capab[10] & WLAN_EXT_CAPA11_EMA_SUPPORT)) -+ if (elems->ext_capab_len >= 11 && -+ (elems->ext_capab[10] & WLAN_EXT_CAPA11_EMA_SUPPORT)) - bss_conf->ema_ap = true; - else - bss_conf->ema_ap = false; -@@ -4072,6 +4087,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - ifmgd->assoc_data->timeout = jiffies; - ifmgd->assoc_data->timeout_started = true; - run_again(sdata, ifmgd->assoc_data->timeout); -+ kfree(elems); - return; - } - -@@ -4103,14 +4119,15 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - */ - if (!ieee80211_is_s1g_beacon(hdr->frame_control)) - ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4); -- ieee802_11_parse_elems_crc(variable, -- len - baselen, false, &elems, -- care_about_ies, ncrc, -- mgmt->bssid, bssid); -- ncrc = elems.crc; -+ elems = ieee802_11_parse_elems_crc(variable, len - baselen, -+ false, care_about_ies, ncrc, -+ mgmt->bssid, bssid); -+ if (!elems) -+ return; -+ ncrc = elems->crc; - - if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) && -- ieee80211_check_tim(elems.tim, elems.tim_len, bss_conf->aid)) { -+ ieee80211_check_tim(elems->tim, elems->tim_len, bss_conf->aid)) { - if (local->hw.conf.dynamic_ps_timeout > 0) { - if (local->hw.conf.flags & IEEE80211_CONF_PS) { - local->hw.conf.flags &= ~IEEE80211_CONF_PS; -@@ -4180,12 +4197,12 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - le64_to_cpu(mgmt->u.beacon.timestamp); - sdata->vif.bss_conf.sync_device_ts = - rx_status->device_timestamp; -- sdata->vif.bss_conf.sync_dtim_count = elems.dtim_count; -+ sdata->vif.bss_conf.sync_dtim_count = elems->dtim_count; - } - - if ((ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid) || - ieee80211_is_s1g_short_beacon(mgmt->frame_control)) -- return; -+ goto free; - ifmgd->beacon_crc = ncrc; - ifmgd->beacon_crc_valid = true; - -@@ -4193,12 +4210,12 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - - ieee80211_sta_process_chanswitch(sdata, rx_status->mactime, - rx_status->device_timestamp, -- &elems, true); -+ elems, true); - - if (!(ifmgd->flags & IEEE80211_STA_DISABLE_WMM) && -- ieee80211_sta_wmm_params(local, sdata, elems.wmm_param, -- elems.wmm_param_len, -- elems.mu_edca_param_set)) -+ ieee80211_sta_wmm_params(local, sdata, elems->wmm_param, -+ elems->wmm_param_len, -+ elems->mu_edca_param_set)) - changed |= BSS_CHANGED_QOS; - - /* -@@ -4207,7 +4224,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - */ - if (!ifmgd->have_beacon) { - /* a few bogus AP send dtim_period = 0 or no TIM IE */ -- bss_conf->dtim_period = elems.dtim_period ?: 1; -+ bss_conf->dtim_period = elems->dtim_period ?: 1; - - changed |= BSS_CHANGED_BEACON_INFO; - ifmgd->have_beacon = true; -@@ -4219,9 +4236,9 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - ieee80211_recalc_ps_vif(sdata); - } - -- if (elems.erp_info) { -+ if (elems->erp_info) { - erp_valid = true; -- erp_value = elems.erp_info[0]; -+ erp_value = elems->erp_info[0]; - } else { - erp_valid = false; - } -@@ -4234,12 +4251,12 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - mutex_lock(&local->sta_mtx); - sta = sta_info_get(sdata, bssid); - -- changed |= ieee80211_recalc_twt_req(sdata, sta, &elems); -+ changed |= ieee80211_recalc_twt_req(sdata, sta, elems); - -- if (ieee80211_config_bw(sdata, sta, elems.ht_cap_elem, -- elems.vht_cap_elem, elems.ht_operation, -- elems.vht_operation, elems.he_operation, -- elems.s1g_oper, bssid, &changed)) { -+ if (ieee80211_config_bw(sdata, sta, elems->ht_cap_elem, -+ elems->vht_cap_elem, elems->ht_operation, -+ elems->vht_operation, elems->he_operation, -+ elems->s1g_oper, bssid, &changed)) { - mutex_unlock(&local->sta_mtx); - sdata_info(sdata, - "failed to follow AP %pM bandwidth change, disconnect\n", -@@ -4251,21 +4268,23 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - sizeof(deauth_buf), true, - WLAN_REASON_DEAUTH_LEAVING, - false); -- return; -+ goto free; - } - -- if (sta && elems.opmode_notif) -- ieee80211_vht_handle_opmode(sdata, sta, *elems.opmode_notif, -+ if (sta && elems->opmode_notif) -+ ieee80211_vht_handle_opmode(sdata, sta, *elems->opmode_notif, - rx_status->band); - mutex_unlock(&local->sta_mtx); - - changed |= ieee80211_handle_pwr_constr(sdata, chan, mgmt, -- elems.country_elem, -- elems.country_elem_len, -- elems.pwr_constr_elem, -- elems.cisco_dtpc_elem); -+ elems->country_elem, -+ elems->country_elem_len, -+ elems->pwr_constr_elem, -+ elems->cisco_dtpc_elem); - - ieee80211_bss_info_change_notify(sdata, changed); -+free: -+ kfree(elems); - } - - void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata, -@@ -4294,7 +4313,6 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, - struct ieee80211_rx_status *rx_status; - struct ieee80211_mgmt *mgmt; - u16 fc; -- struct ieee802_11_elems elems; - int ies_len; - - rx_status = (struct ieee80211_rx_status *) skb->cb; -@@ -4326,6 +4344,8 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, - break; - case IEEE80211_STYPE_ACTION: - if (mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) { -+ struct ieee802_11_elems *elems; -+ - ies_len = skb->len - - offsetof(struct ieee80211_mgmt, - u.action.u.chan_switch.variable); -@@ -4334,18 +4354,21 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, - break; - - /* CSA IE cannot be overridden, no need for BSSID */ -- ieee802_11_parse_elems( -- mgmt->u.action.u.chan_switch.variable, -- ies_len, true, &elems, mgmt->bssid, NULL); -+ elems = ieee802_11_parse_elems( -+ mgmt->u.action.u.chan_switch.variable, -+ ies_len, true, mgmt->bssid, NULL); - -- if (elems.parse_error) -+ if (!elems || elems->parse_error) - break; - - ieee80211_sta_process_chanswitch(sdata, - rx_status->mactime, - rx_status->device_timestamp, -- &elems, false); -+ elems, false); -+ kfree(elems); - } else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) { -+ struct ieee802_11_elems *elems; -+ - ies_len = skb->len - - offsetof(struct ieee80211_mgmt, - u.action.u.ext_chan_switch.variable); -@@ -4357,21 +4380,22 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, - * extended CSA IE can't be overridden, no need for - * BSSID - */ -- ieee802_11_parse_elems( -- mgmt->u.action.u.ext_chan_switch.variable, -- ies_len, true, &elems, mgmt->bssid, NULL); -+ elems = ieee802_11_parse_elems( -+ mgmt->u.action.u.ext_chan_switch.variable, -+ ies_len, true, mgmt->bssid, NULL); - -- if (elems.parse_error) -+ if (!elems || elems->parse_error) - break; - - /* for the handling code pretend this was also an IE */ -- elems.ext_chansw_ie = -+ elems->ext_chansw_ie = - &mgmt->u.action.u.ext_chan_switch.data; - - ieee80211_sta_process_chanswitch(sdata, - rx_status->mactime, - rx_status->device_timestamp, -- &elems, false); -+ elems, false); -+ kfree(elems); - } - break; - } -diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c -index d6afaacaf7ef..e692a2487eb5 100644 ---- a/net/mac80211/scan.c -+++ b/net/mac80211/scan.c -@@ -9,7 +9,7 @@ - * Copyright 2007, Michael Wu - * Copyright 2013-2015 Intel Mobile Communications GmbH - * Copyright 2016-2017 Intel Deutschland GmbH -- * Copyright (C) 2018-2020 Intel Corporation -+ * Copyright (C) 2018-2021 Intel Corporation - */ - - #include -@@ -155,7 +155,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local, - }; - bool signal_valid; - struct ieee80211_sub_if_data *scan_sdata; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - size_t baselen; - u8 *elements; - -@@ -209,8 +209,10 @@ ieee80211_bss_info_update(struct ieee80211_local *local, - if (baselen > len) - return NULL; - -- ieee802_11_parse_elems(elements, len - baselen, false, &elems, -- mgmt->bssid, cbss->bssid); -+ elems = ieee802_11_parse_elems(elements, len - baselen, false, -+ mgmt->bssid, cbss->bssid); -+ if (!elems) -+ return NULL; - - /* In case the signal is invalid update the status */ - signal_valid = channel == cbss->channel; -@@ -218,15 +220,17 @@ ieee80211_bss_info_update(struct ieee80211_local *local, - rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL; - - bss = (void *)cbss->priv; -- ieee80211_update_bss_from_elems(local, bss, &elems, rx_status, beacon); -+ ieee80211_update_bss_from_elems(local, bss, elems, rx_status, beacon); - - list_for_each_entry(non_tx_cbss, &cbss->nontrans_list, nontrans_list) { - non_tx_bss = (void *)non_tx_cbss->priv; - -- ieee80211_update_bss_from_elems(local, non_tx_bss, &elems, -+ ieee80211_update_bss_from_elems(local, non_tx_bss, elems, - rx_status, beacon); - } - -+ kfree(elems); -+ - return bss; - } - -diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c -index 45e532ad1215..137be9ec94af 100644 ---- a/net/mac80211/tdls.c -+++ b/net/mac80211/tdls.c -@@ -6,7 +6,7 @@ - * Copyright 2014, Intel Corporation - * Copyright 2014 Intel Mobile Communications GmbH - * Copyright 2015 - 2016 Intel Deutschland GmbH -- * Copyright (C) 2019 Intel Corporation -+ * Copyright (C) 2019, 2021 Intel Corporation - */ - - #include -@@ -1684,7 +1684,7 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb) - { - struct ieee80211_local *local = sdata->local; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems = NULL; - struct sta_info *sta; - struct ieee80211_tdls_data *tf = (void *)skb->data; - bool local_initiator; -@@ -1718,16 +1718,20 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata, - goto call_drv; - } - -- ieee802_11_parse_elems(tf->u.chan_switch_resp.variable, -- skb->len - baselen, false, &elems, -- NULL, NULL); -- if (elems.parse_error) { -+ elems = ieee802_11_parse_elems(tf->u.chan_switch_resp.variable, -+ skb->len - baselen, false, NULL, NULL); -+ if (!elems) { -+ ret = -ENOMEM; -+ goto out; -+ } -+ -+ if (elems->parse_error) { - tdls_dbg(sdata, "Invalid IEs in TDLS channel switch resp\n"); - ret = -EINVAL; - goto out; - } - -- if (!elems.ch_sw_timing || !elems.lnk_id) { -+ if (!elems->ch_sw_timing || !elems->lnk_id) { - tdls_dbg(sdata, "TDLS channel switch resp - missing IEs\n"); - ret = -EINVAL; - goto out; -@@ -1735,15 +1739,15 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata, - - /* validate the initiator is set correctly */ - local_initiator = -- !memcmp(elems.lnk_id->init_sta, sdata->vif.addr, ETH_ALEN); -+ !memcmp(elems->lnk_id->init_sta, sdata->vif.addr, ETH_ALEN); - if (local_initiator == sta->sta.tdls_initiator) { - tdls_dbg(sdata, "TDLS chan switch invalid lnk-id initiator\n"); - ret = -EINVAL; - goto out; - } - -- params.switch_time = le16_to_cpu(elems.ch_sw_timing->switch_time); -- params.switch_timeout = le16_to_cpu(elems.ch_sw_timing->switch_timeout); -+ params.switch_time = le16_to_cpu(elems->ch_sw_timing->switch_time); -+ params.switch_timeout = le16_to_cpu(elems->ch_sw_timing->switch_timeout); - - params.tmpl_skb = - ieee80211_tdls_ch_sw_resp_tmpl_get(sta, ¶ms.ch_sw_tm_ie); -@@ -1763,6 +1767,7 @@ call_drv: - out: - mutex_unlock(&local->sta_mtx); - dev_kfree_skb_any(params.tmpl_skb); -+ kfree(elems); - return ret; - } - -@@ -1771,7 +1776,7 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb) - { - struct ieee80211_local *local = sdata->local; -- struct ieee802_11_elems elems; -+ struct ieee802_11_elems *elems; - struct cfg80211_chan_def chandef; - struct ieee80211_channel *chan; - enum nl80211_channel_type chan_type; -@@ -1831,22 +1836,27 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata, - return -EINVAL; - } - -- ieee802_11_parse_elems(tf->u.chan_switch_req.variable, -- skb->len - baselen, false, &elems, NULL, NULL); -- if (elems.parse_error) { -+ elems = ieee802_11_parse_elems(tf->u.chan_switch_req.variable, -+ skb->len - baselen, false, NULL, NULL); -+ if (!elems) -+ return -ENOMEM; -+ -+ if (elems->parse_error) { - tdls_dbg(sdata, "Invalid IEs in TDLS channel switch req\n"); -- return -EINVAL; -+ ret = -EINVAL; -+ goto free; - } - -- if (!elems.ch_sw_timing || !elems.lnk_id) { -+ if (!elems->ch_sw_timing || !elems->lnk_id) { - tdls_dbg(sdata, "TDLS channel switch req - missing IEs\n"); -- return -EINVAL; -+ ret = -EINVAL; -+ goto free; - } - -- if (!elems.sec_chan_offs) { -+ if (!elems->sec_chan_offs) { - chan_type = NL80211_CHAN_HT20; - } else { -- switch (elems.sec_chan_offs->sec_chan_offs) { -+ switch (elems->sec_chan_offs->sec_chan_offs) { - case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: - chan_type = NL80211_CHAN_HT40PLUS; - break; -@@ -1865,7 +1875,8 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata, - if (!cfg80211_reg_can_beacon_relax(sdata->local->hw.wiphy, &chandef, - sdata->wdev.iftype)) { - tdls_dbg(sdata, "TDLS chan switch to forbidden channel\n"); -- return -EINVAL; -+ ret = -EINVAL; -+ goto free; - } - - mutex_lock(&local->sta_mtx); -@@ -1881,7 +1892,7 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata, - - /* validate the initiator is set correctly */ - local_initiator = -- !memcmp(elems.lnk_id->init_sta, sdata->vif.addr, ETH_ALEN); -+ !memcmp(elems->lnk_id->init_sta, sdata->vif.addr, ETH_ALEN); - if (local_initiator == sta->sta.tdls_initiator) { - tdls_dbg(sdata, "TDLS chan switch invalid lnk-id initiator\n"); - ret = -EINVAL; -@@ -1889,16 +1900,16 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata, - } - - /* peer should have known better */ -- if (!sta->sta.ht_cap.ht_supported && elems.sec_chan_offs && -- elems.sec_chan_offs->sec_chan_offs) { -+ if (!sta->sta.ht_cap.ht_supported && elems->sec_chan_offs && -+ elems->sec_chan_offs->sec_chan_offs) { - tdls_dbg(sdata, "TDLS chan switch - wide chan unsupported\n"); - ret = -ENOTSUPP; - goto out; - } - - params.chandef = &chandef; -- params.switch_time = le16_to_cpu(elems.ch_sw_timing->switch_time); -- params.switch_timeout = le16_to_cpu(elems.ch_sw_timing->switch_timeout); -+ params.switch_time = le16_to_cpu(elems->ch_sw_timing->switch_time); -+ params.switch_timeout = le16_to_cpu(elems->ch_sw_timing->switch_timeout); - - params.tmpl_skb = - ieee80211_tdls_ch_sw_resp_tmpl_get(sta, -@@ -1917,6 +1928,8 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata, - out: - mutex_unlock(&local->sta_mtx); - dev_kfree_skb_any(params.tmpl_skb); -+free: -+ kfree(elems); - return ret; - } - -diff --git a/net/mac80211/util.c b/net/mac80211/util.c -index 664c32b6db19..2ac61e68b6b4 100644 ---- a/net/mac80211/util.c -+++ b/net/mac80211/util.c -@@ -1396,8 +1396,8 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, - - static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len, - struct ieee802_11_elems *elems, -- u8 *transmitter_bssid, -- u8 *bss_bssid, -+ const u8 *transmitter_bssid, -+ const u8 *bss_bssid, - u8 *nontransmitted_profile) - { - const struct element *elem, *sub; -@@ -1464,16 +1464,20 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len, - return found ? profile_len : 0; - } - --void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, -- struct ieee802_11_elems *elems, -- u64 filter, u32 crc, u8 *transmitter_bssid, -- u8 *bss_bssid) -+struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len, -+ bool action, u64 filter, -+ u32 crc, -+ const u8 *transmitter_bssid, -+ const u8 *bss_bssid) - { -+ struct ieee802_11_elems *elems; - const struct element *non_inherit = NULL; - u8 *nontransmitted_profile; - int nontransmitted_profile_len = 0; - -- memset(elems, 0, sizeof(*elems)); -+ elems = kzalloc(sizeof(*elems), GFP_ATOMIC); -+ if (!elems) -+ return NULL; - elems->ie_start = start; - elems->total_len = len; - -@@ -1520,6 +1524,8 @@ void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, - kfree(nontransmitted_profile); - - elems->crc = crc; -+ -+ return elems; - } - - void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata, --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-13.patch b/src/patches/linux/linux-5.15-wifi-security-patches-13.patch deleted file mode 100644 index 1d167c19a..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-13.patch +++ /dev/null @@ -1,130 +0,0 @@ -From 7d998f6b7365d50a9905bf57fd28b41c7ebe8e9d Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Thu, 13 Oct 2022 20:16:00 +0200 -Subject: [PATCH] mac80211: fix memory leaks with element parsing - -commit 8223ac199a3849257e86ec27865dc63f034b1cf1 upstream. - -My previous commit 5d24828d05f3 ("mac80211: always allocate -struct ieee802_11_elems") had a few bugs and leaked the new -allocated struct in a few error cases, fix that. - -Fixes: 5d24828d05f3 ("mac80211: always allocate struct ieee802_11_elems") -Signed-off-by: Johannes Berg -Link: https://lore.kernel.org/r/20211001211108.9839928e42e0.Ib81ca187d3d3af7ed1bfeac2e00d08a4637c8025@changeid -Signed-off-by: Johannes Berg -Cc: Felix Fietkau -Signed-off-by: Greg Kroah-Hartman ---- - net/mac80211/agg-rx.c | 3 ++- - net/mac80211/ibss.c | 10 +++++----- - net/mac80211/mlme.c | 36 ++++++++++++++++++------------------ - 3 files changed, 25 insertions(+), 24 deletions(-) - -diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c -index ffa4f31f6c2b..0d2bab9d351c 100644 ---- a/net/mac80211/agg-rx.c -+++ b/net/mac80211/agg-rx.c -@@ -499,13 +499,14 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, - elems = ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable, - ies_len, true, mgmt->bssid, NULL); - if (!elems || elems->parse_error) -- return; -+ goto free; - } - - __ieee80211_start_rx_ba_session(sta, dialog_token, timeout, - start_seq_num, ba_policy, tid, - buf_size, true, false, - elems ? elems->addba_ext_ie : NULL); -+free: - kfree(elems); - } - -diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c -index 4b721b48f86a..48e0260f3424 100644 ---- a/net/mac80211/ibss.c -+++ b/net/mac80211/ibss.c -@@ -1663,11 +1663,11 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, - mgmt->u.action.u.chan_switch.variable, - ies_len, true, mgmt->bssid, NULL); - -- if (!elems || elems->parse_error) -- break; -- -- ieee80211_rx_mgmt_spectrum_mgmt(sdata, mgmt, skb->len, -- rx_status, elems); -+ if (elems && !elems->parse_error) -+ ieee80211_rx_mgmt_spectrum_mgmt(sdata, mgmt, -+ skb->len, -+ rx_status, -+ elems); - kfree(elems); - break; - } -diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c -index 45efa1d1c550..cc6d38a2e6d5 100644 ---- a/net/mac80211/mlme.c -+++ b/net/mac80211/mlme.c -@@ -3374,8 +3374,10 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, - bss_ies = kmemdup(ies, sizeof(*ies) + ies->len, - GFP_ATOMIC); - rcu_read_unlock(); -- if (!bss_ies) -- return false; -+ if (!bss_ies) { -+ ret = false; -+ goto out; -+ } - - bss_elems = ieee802_11_parse_elems(bss_ies->data, bss_ies->len, - false, mgmt->bssid, -@@ -4358,13 +4360,11 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, - mgmt->u.action.u.chan_switch.variable, - ies_len, true, mgmt->bssid, NULL); - -- if (!elems || elems->parse_error) -- break; -- -- ieee80211_sta_process_chanswitch(sdata, -- rx_status->mactime, -- rx_status->device_timestamp, -- elems, false); -+ if (elems && !elems->parse_error) -+ ieee80211_sta_process_chanswitch(sdata, -+ rx_status->mactime, -+ rx_status->device_timestamp, -+ elems, false); - kfree(elems); - } else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) { - struct ieee802_11_elems *elems; -@@ -4384,17 +4384,17 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, - mgmt->u.action.u.ext_chan_switch.variable, - ies_len, true, mgmt->bssid, NULL); - -- if (!elems || elems->parse_error) -- break; -+ if (elems && !elems->parse_error) { -+ /* for the handling code pretend it was an IE */ -+ elems->ext_chansw_ie = -+ &mgmt->u.action.u.ext_chan_switch.data; - -- /* for the handling code pretend this was also an IE */ -- elems->ext_chansw_ie = -- &mgmt->u.action.u.ext_chan_switch.data; -+ ieee80211_sta_process_chanswitch(sdata, -+ rx_status->mactime, -+ rx_status->device_timestamp, -+ elems, false); -+ } - -- ieee80211_sta_process_chanswitch(sdata, -- rx_status->mactime, -- rx_status->device_timestamp, -- elems, false); - kfree(elems); - } - break; --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-14.patch b/src/patches/linux/linux-5.15-wifi-security-patches-14.patch deleted file mode 100644 index f0ccc0b6a..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-14.patch +++ /dev/null @@ -1,107 +0,0 @@ -From de124365a7d2deed22cf706583930f28d537ff0f Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Thu, 13 Oct 2022 20:16:01 +0200 -Subject: [PATCH] wifi: mac80211: fix MBSSID parsing use-after-free - -commit ff05d4b45dd89b922578dac497dcabf57cf771c6 - -When we parse a multi-BSSID element, we might point some -element pointers into the allocated nontransmitted_profile. -However, we free this before returning, causing UAF when the -relevant pointers in the parsed elements are accessed. - -Fix this by not allocating the scratch buffer separately but -as part of the returned structure instead, that way, there -are no lifetime issues with it. - -The scratch buffer introduction as part of the returned data -here is taken from MLO feature work done by Ilan. - -This fixes CVE-2022-42719. - -Fixes: 5023b14cf4df ("mac80211: support profile split between elements") -Co-developed-by: Ilan Peer -Signed-off-by: Ilan Peer -Reviewed-by: Kees Cook -Signed-off-by: Johannes Berg -Cc: Felix Fietkau -Signed-off-by: Greg Kroah-Hartman ---- - net/mac80211/ieee80211_i.h | 8 ++++++++ - net/mac80211/util.c | 29 ++++++++++++++--------------- - 2 files changed, 22 insertions(+), 15 deletions(-) - -diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h -index 3633e49239c7..21549a440b38 100644 ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -1613,6 +1613,14 @@ struct ieee802_11_elems { - - /* whether a parse error occurred while retrieving these elements */ - bool parse_error; -+ -+ /* -+ * scratch buffer that can be used for various element parsing related -+ * tasks, e.g., element de-fragmentation etc. -+ */ -+ size_t scratch_len; -+ u8 *scratch_pos; -+ u8 scratch[]; - }; - - static inline struct ieee80211_local *hw_to_local( -diff --git a/net/mac80211/util.c b/net/mac80211/util.c -index 2ac61e68b6b4..354badd32793 100644 ---- a/net/mac80211/util.c -+++ b/net/mac80211/util.c -@@ -1475,24 +1475,25 @@ struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len, - u8 *nontransmitted_profile; - int nontransmitted_profile_len = 0; - -- elems = kzalloc(sizeof(*elems), GFP_ATOMIC); -+ elems = kzalloc(sizeof(*elems) + len, GFP_ATOMIC); - if (!elems) - return NULL; - elems->ie_start = start; - elems->total_len = len; - -- nontransmitted_profile = kmalloc(len, GFP_ATOMIC); -- if (nontransmitted_profile) { -- nontransmitted_profile_len = -- ieee802_11_find_bssid_profile(start, len, elems, -- transmitter_bssid, -- bss_bssid, -- nontransmitted_profile); -- non_inherit = -- cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE, -- nontransmitted_profile, -- nontransmitted_profile_len); -- } -+ elems->scratch_len = len; -+ elems->scratch_pos = elems->scratch; -+ -+ nontransmitted_profile = elems->scratch_pos; -+ nontransmitted_profile_len = -+ ieee802_11_find_bssid_profile(start, len, elems, -+ transmitter_bssid, -+ bss_bssid, -+ nontransmitted_profile); -+ non_inherit = -+ cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE, -+ nontransmitted_profile, -+ nontransmitted_profile_len); - - crc = _ieee802_11_parse_elems_crc(start, len, action, elems, filter, - crc, non_inherit); -@@ -1521,8 +1522,6 @@ struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len, - offsetofend(struct ieee80211_bssid_index, dtim_count)) - elems->dtim_count = elems->bssid_index->dtim_count; - -- kfree(nontransmitted_profile); -- - elems->crc = crc; - - return elems; --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-2.patch b/src/patches/linux/linux-5.15-wifi-security-patches-2.patch deleted file mode 100644 index d2a04e717..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-2.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 0a861bd25dad508e492c48169509d8c6b9246895 Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Wed, 28 Sep 2022 22:01:37 +0200 -Subject: [PATCH] wifi: cfg80211/mac80211: reject bad MBSSID elements - -commit 8f033d2becc24aa6bfd2a5c104407963560caabc upstream. - -Per spec, the maximum value for the MaxBSSID ('n') indicator is 8, -and the minimum is 1 since a multiple BSSID set with just one BSSID -doesn't make sense (the # of BSSIDs is limited by 2^n). - -Limit this in the parsing in both cfg80211 and mac80211, rejecting -any elements with an invalid value. - -This fixes potentially bad shifts in the processing of these inside -the cfg80211_gen_new_bssid() function later. - -I found this during the investigation of CVE-2022-41674 fixed by the -previous patch. - -Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning") -Fixes: 78ac51f81532 ("mac80211: support multi-bssid") -Reviewed-by: Kees Cook -Signed-off-by: Johannes Berg -Signed-off-by: Greg Kroah-Hartman ---- - net/mac80211/util.c | 2 ++ - net/wireless/scan.c | 2 ++ - 2 files changed, 4 insertions(+) - -diff --git a/net/mac80211/util.c b/net/mac80211/util.c -index be1911d8089f..00543ea9c6b5 100644 ---- a/net/mac80211/util.c -+++ b/net/mac80211/util.c -@@ -1414,6 +1414,8 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len, - for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, start, len) { - if (elem->datalen < 2) - continue; -+ if (elem->data[0] < 1 || elem->data[0] > 8) -+ continue; - - for_each_element(sub, elem->data + 1, elem->datalen - 1) { - u8 new_bssid[ETH_ALEN]; -diff --git a/net/wireless/scan.c b/net/wireless/scan.c -index d9ab37a798f4..84c642eae4d8 100644 ---- a/net/wireless/scan.c -+++ b/net/wireless/scan.c -@@ -2103,6 +2103,8 @@ static void cfg80211_parse_mbssid_data(struct wiphy *wiphy, - for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, ie, ielen) { - if (elem->datalen < 4) - continue; -+ if (elem->data[0] < 1 || (int)elem->data[0] > 8) -+ continue; - for_each_element(sub, elem->data + 1, elem->datalen - 1) { - u8 profile_len; - --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-3.patch b/src/patches/linux/linux-5.15-wifi-security-patches-3.patch deleted file mode 100644 index 60be08214..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-3.patch +++ /dev/null @@ -1,49 +0,0 @@ -From 9e99ca59ed3976921f8891c103d503b6da3e78af Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Thu, 29 Sep 2022 21:50:44 +0200 -Subject: [PATCH] wifi: cfg80211: ensure length byte is present before access - -commit 567e14e39e8f8c6997a1378bc3be615afca86063 upstream. - -When iterating the elements here, ensure the length byte is -present before checking it to see if the entire element will -fit into the buffer. - -Longer term, we should rewrite this code using the type-safe -element iteration macros that check all of this. - -Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning") -Reported-by: Soenke Huster -Signed-off-by: Johannes Berg -Signed-off-by: Greg Kroah-Hartman ---- - net/wireless/scan.c | 6 ++++-- - 1 file changed, 4 insertions(+), 2 deletions(-) - -diff --git a/net/wireless/scan.c b/net/wireless/scan.c -index 84c642eae4d8..04c9b78b3fec 100644 ---- a/net/wireless/scan.c -+++ b/net/wireless/scan.c -@@ -304,7 +304,8 @@ static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, - tmp_old = cfg80211_find_ie(WLAN_EID_SSID, ie, ielen); - tmp_old = (tmp_old) ? tmp_old + tmp_old[1] + 2 : ie; - -- while (tmp_old + tmp_old[1] + 2 - ie <= ielen) { -+ while (tmp_old + 2 - ie <= ielen && -+ tmp_old + tmp_old[1] + 2 - ie <= ielen) { - if (tmp_old[0] == 0) { - tmp_old++; - continue; -@@ -364,7 +365,8 @@ static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, - * copied to new ie, skip ssid, capability, bssid-index ie - */ - tmp_new = sub_copy; -- while (tmp_new + tmp_new[1] + 2 - sub_copy <= subie_len) { -+ while (tmp_new + 2 - sub_copy <= subie_len && -+ tmp_new + tmp_new[1] + 2 - sub_copy <= subie_len) { - if (!(tmp_new[0] == WLAN_EID_NON_TX_BSSID_CAP || - tmp_new[0] == WLAN_EID_SSID)) { - memcpy(pos, tmp_new, tmp_new[1] + 2); --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-4.patch b/src/patches/linux/linux-5.15-wifi-security-patches-4.patch deleted file mode 100644 index bd2439041..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-4.patch +++ /dev/null @@ -1,96 +0,0 @@ -From bfe29873454f38eb1a511a76144ad1a4848ca176 Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Fri, 30 Sep 2022 23:44:23 +0200 -Subject: [PATCH] wifi: cfg80211: fix BSS refcounting bugs -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf8 -Content-Transfer-Encoding: 8bit - -commit 0b7808818cb9df6680f98996b8e9a439fa7bcc2f upstream. - -There are multiple refcounting bugs related to multi-BSSID: - - In bss_ref_get(), if the BSS has a hidden_beacon_bss, then - the bss pointer is overwritten before checking for the - transmitted BSS, which is clearly wrong. Fix this by using - the bss_from_pub() macro. - - - In cfg80211_bss_update() we copy the transmitted_bss pointer - from tmp into new, but then if we release new, we'll unref - it erroneously. We already set the pointer and ref it, but - need to NULL it since it was copied from the tmp data. - - - In cfg80211_inform_single_bss_data(), if adding to the non- - transmitted list fails, we unlink the BSS and yet still we - return it, but this results in returning an entry without - a reference. We shouldn't return it anyway if it was broken - enough to not get added there. - -This fixes CVE-2022-42720. - -Reported-by: Sönke Huster -Tested-by: Sönke Huster -Fixes: a3584f56de1c ("cfg80211: Properly track transmitting and non-transmitting BSS") -Signed-off-by: Johannes Berg -Signed-off-by: Greg Kroah-Hartman ---- - net/wireless/scan.c | 27 ++++++++++++++------------- - 1 file changed, 14 insertions(+), 13 deletions(-) - -diff --git a/net/wireless/scan.c b/net/wireless/scan.c -index 04c9b78b3fec..2e576714e989 100644 ---- a/net/wireless/scan.c -+++ b/net/wireless/scan.c -@@ -143,18 +143,12 @@ static inline void bss_ref_get(struct cfg80211_registered_device *rdev, - lockdep_assert_held(&rdev->bss_lock); - - bss->refcount++; -- if (bss->pub.hidden_beacon_bss) { -- bss = container_of(bss->pub.hidden_beacon_bss, -- struct cfg80211_internal_bss, -- pub); -- bss->refcount++; -- } -- if (bss->pub.transmitted_bss) { -- bss = container_of(bss->pub.transmitted_bss, -- struct cfg80211_internal_bss, -- pub); -- bss->refcount++; -- } -+ -+ if (bss->pub.hidden_beacon_bss) -+ bss_from_pub(bss->pub.hidden_beacon_bss)->refcount++; -+ -+ if (bss->pub.transmitted_bss) -+ bss_from_pub(bss->pub.transmitted_bss)->refcount++; - } - - static inline void bss_ref_put(struct cfg80211_registered_device *rdev, -@@ -1743,6 +1737,8 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev, - new->refcount = 1; - INIT_LIST_HEAD(&new->hidden_list); - INIT_LIST_HEAD(&new->pub.nontrans_list); -+ /* we'll set this later if it was non-NULL */ -+ new->pub.transmitted_bss = NULL; - - if (rcu_access_pointer(tmp->pub.proberesp_ies)) { - hidden = rb_find_bss(rdev, tmp, BSS_CMP_HIDE_ZLEN); -@@ -1983,10 +1979,15 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy, - spin_lock_bh(&rdev->bss_lock); - if (cfg80211_add_nontrans_list(non_tx_data->tx_bss, - &res->pub)) { -- if (__cfg80211_unlink_bss(rdev, res)) -+ if (__cfg80211_unlink_bss(rdev, res)) { - rdev->bss_generation++; -+ res = NULL; -+ } - } - spin_unlock_bh(&rdev->bss_lock); -+ -+ if (!res) -+ return NULL; - } - - trace_cfg80211_return_bss(&res->pub); --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-5.patch b/src/patches/linux/linux-5.15-wifi-security-patches-5.patch deleted file mode 100644 index c0c4dadd3..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-5.patch +++ /dev/null @@ -1,56 +0,0 @@ -From 0a8ee682e4f992eccce226b012bba600bb2251e2 Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Sat, 1 Oct 2022 00:01:44 +0200 -Subject: [PATCH] wifi: cfg80211: avoid nontransmitted BSS list corruption -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf8 -Content-Transfer-Encoding: 8bit - -commit bcca852027e5878aec911a347407ecc88d6fff7f upstream. - -If a non-transmitted BSS shares enough information (both -SSID and BSSID!) with another non-transmitted BSS of a -different AP, then we can find and update it, and then -try to add it to the non-transmitted BSS list. We do a -search for it on the transmitted BSS, but if it's not -there (but belongs to another transmitted BSS), the list -gets corrupted. - -Since this is an erroneous situation, simply fail the -list insertion in this case and free the non-transmitted -BSS. - -This fixes CVE-2022-42721. - -Reported-by: Sönke Huster -Tested-by: Sönke Huster -Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning") -Signed-off-by: Johannes Berg -Signed-off-by: Greg Kroah-Hartman ---- - net/wireless/scan.c | 9 +++++++++ - 1 file changed, 9 insertions(+) - -diff --git a/net/wireless/scan.c b/net/wireless/scan.c -index 2e576714e989..a21baf7b3612 100644 ---- a/net/wireless/scan.c -+++ b/net/wireless/scan.c -@@ -425,6 +425,15 @@ cfg80211_add_nontrans_list(struct cfg80211_bss *trans_bss, - - rcu_read_unlock(); - -+ /* -+ * This is a bit weird - it's not on the list, but already on another -+ * one! The only way that could happen is if there's some BSSID/SSID -+ * shared by multiple APs in their multi-BSSID profiles, potentially -+ * with hidden SSID mixed in ... ignore it. -+ */ -+ if (!list_empty(&nontrans_bss->nontrans_list)) -+ return -EINVAL; -+ - /* add to the list */ - list_add_tail(&nontrans_bss->nontrans_list, &trans_bss->nontrans_list); - return 0; --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-6.patch b/src/patches/linux/linux-5.15-wifi-security-patches-6.patch deleted file mode 100644 index caa380de8..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-6.patch +++ /dev/null @@ -1,39 +0,0 @@ -From fff244e9171b2ca692469d41c68b36607bd73ab0 Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Wed, 5 Oct 2022 15:10:09 +0200 -Subject: [PATCH] wifi: mac80211_hwsim: avoid mac80211 warning on bad rate -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf8 -Content-Transfer-Encoding: 8bit - -commit 1833b6f46d7e2830251a063935ab464256defe22 upstream. - -If the tool on the other side (e.g. wmediumd) gets confused -about the rate, we hit a warning in mac80211. Silence that -by effectively duplicating the check here and dropping the -frame silently (in mac80211 it's dropped with the warning). - -Reported-by: Sönke Huster -Tested-by: Sönke Huster -Signed-off-by: Johannes Berg -Signed-off-by: Greg Kroah-Hartman ---- - drivers/net/wireless/mac80211_hwsim.c | 2 ++ - 1 file changed, 2 insertions(+) - -diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c -index 52a2574b7d13..b228567b2a73 100644 ---- a/drivers/net/wireless/mac80211_hwsim.c -+++ b/drivers/net/wireless/mac80211_hwsim.c -@@ -3749,6 +3749,8 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2, - - rx_status.band = channel->band; - rx_status.rate_idx = nla_get_u32(info->attrs[HWSIM_ATTR_RX_RATE]); -+ if (rx_status.rate_idx >= data2->hw->wiphy->bands[rx_status.band]->n_bitrates) -+ goto out; - rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]); - - hdr = (void *)skb->data; --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-7.patch b/src/patches/linux/linux-5.15-wifi-security-patches-7.patch deleted file mode 100644 index b5cb2ad12..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-7.patch +++ /dev/null @@ -1,60 +0,0 @@ -From 93a3a32554079432b49cf87f326607b2a2fab4f2 Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Wed, 5 Oct 2022 21:24:10 +0200 -Subject: [PATCH] wifi: mac80211: fix crash in beacon protection for P2P-device -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf8 -Content-Transfer-Encoding: 8bit - -commit b2d03cabe2b2e150ff5a381731ea0355459be09f upstream. - -If beacon protection is active but the beacon cannot be -decrypted or is otherwise malformed, we call the cfg80211 -API to report this to userspace, but that uses a netdev -pointer, which isn't present for P2P-Device. Fix this to -call it only conditionally to ensure cfg80211 won't crash -in the case of P2P-Device. - -This fixes CVE-2022-42722. - -Reported-by: Sönke Huster -Fixes: 9eaf183af741 ("mac80211: Report beacon protection failures to user space") -Signed-off-by: Johannes Berg -Signed-off-by: Greg Kroah-Hartman ---- - net/mac80211/rx.c | 12 +++++++----- - 1 file changed, 7 insertions(+), 5 deletions(-) - -diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c -index 743e97ba352c..175ead6b19cb 100644 ---- a/net/mac80211/rx.c -+++ b/net/mac80211/rx.c -@@ -1982,10 +1982,11 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) - - if (mmie_keyidx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS || - mmie_keyidx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS + -- NUM_DEFAULT_BEACON_KEYS) { -- cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, -- skb->data, -- skb->len); -+ NUM_DEFAULT_BEACON_KEYS) { -+ if (rx->sdata->dev) -+ cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, -+ skb->data, -+ skb->len); - return RX_DROP_MONITOR; /* unexpected BIP keyidx */ - } - -@@ -2133,7 +2134,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) - /* either the frame has been decrypted or will be dropped */ - status->flag |= RX_FLAG_DECRYPTED; - -- if (unlikely(ieee80211_is_beacon(fc) && result == RX_DROP_UNUSABLE)) -+ if (unlikely(ieee80211_is_beacon(fc) && result == RX_DROP_UNUSABLE && -+ rx->sdata->dev)) - cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, - skb->data, skb->len); - --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-8.patch b/src/patches/linux/linux-5.15-wifi-security-patches-8.patch deleted file mode 100644 index 8099f3a72..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-8.patch +++ /dev/null @@ -1,94 +0,0 @@ -From d15bb1f6dabe1d2a4155958111bea47db72b599c Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Wed, 5 Oct 2022 23:11:43 +0200 -Subject: [PATCH] wifi: cfg80211: update hidden BSSes to avoid WARN_ON -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf8 -Content-Transfer-Encoding: 8bit - -commit c90b93b5b782891ebfda49d4e5da36632fefd5d1 upstream. - -When updating beacon elements in a non-transmitted BSS, -also update the hidden sub-entries to the same beacon -elements, so that a future update through other paths -won't trigger a WARN_ON(). - -The warning is triggered because the beacon elements in -the hidden BSSes that are children of the BSS should -always be the same as in the parent. - -Reported-by: Sönke Huster -Tested-by: Sönke Huster -Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning") -Signed-off-by: Johannes Berg -Signed-off-by: Greg Kroah-Hartman ---- - net/wireless/scan.c | 31 ++++++++++++++++++++----------- - 1 file changed, 20 insertions(+), 11 deletions(-) - -diff --git a/net/wireless/scan.c b/net/wireless/scan.c -index a21baf7b3612..f0de22a6caf7 100644 ---- a/net/wireless/scan.c -+++ b/net/wireless/scan.c -@@ -1609,6 +1609,23 @@ struct cfg80211_non_tx_bss { - u8 bssid_index; - }; - -+static void cfg80211_update_hidden_bsses(struct cfg80211_internal_bss *known, -+ const struct cfg80211_bss_ies *new_ies, -+ const struct cfg80211_bss_ies *old_ies) -+{ -+ struct cfg80211_internal_bss *bss; -+ -+ /* Assign beacon IEs to all sub entries */ -+ list_for_each_entry(bss, &known->hidden_list, hidden_list) { -+ const struct cfg80211_bss_ies *ies; -+ -+ ies = rcu_access_pointer(bss->pub.beacon_ies); -+ WARN_ON(ies != old_ies); -+ -+ rcu_assign_pointer(bss->pub.beacon_ies, new_ies); -+ } -+} -+ - static bool - cfg80211_update_known_bss(struct cfg80211_registered_device *rdev, - struct cfg80211_internal_bss *known, -@@ -1632,7 +1649,6 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev, - kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head); - } else if (rcu_access_pointer(new->pub.beacon_ies)) { - const struct cfg80211_bss_ies *old; -- struct cfg80211_internal_bss *bss; - - if (known->pub.hidden_beacon_bss && - !list_empty(&known->hidden_list)) { -@@ -1660,16 +1676,7 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev, - if (old == rcu_access_pointer(known->pub.ies)) - rcu_assign_pointer(known->pub.ies, new->pub.beacon_ies); - -- /* Assign beacon IEs to all sub entries */ -- list_for_each_entry(bss, &known->hidden_list, hidden_list) { -- const struct cfg80211_bss_ies *ies; -- -- ies = rcu_access_pointer(bss->pub.beacon_ies); -- WARN_ON(ies != old); -- -- rcu_assign_pointer(bss->pub.beacon_ies, -- new->pub.beacon_ies); -- } -+ cfg80211_update_hidden_bsses(known, new->pub.beacon_ies, old); - - if (old) - kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head); -@@ -2319,6 +2326,8 @@ cfg80211_update_notlisted_nontrans(struct wiphy *wiphy, - } else { - old = rcu_access_pointer(nontrans_bss->beacon_ies); - rcu_assign_pointer(nontrans_bss->beacon_ies, new_ies); -+ cfg80211_update_hidden_bsses(bss_from_pub(nontrans_bss), -+ new_ies, old); - rcu_assign_pointer(nontrans_bss->ies, new_ies); - if (old) - kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head); --- -2.30.2 - diff --git a/src/patches/linux/linux-5.15-wifi-security-patches-9.patch b/src/patches/linux/linux-5.15-wifi-security-patches-9.patch deleted file mode 100644 index 5781b077d..000000000 --- a/src/patches/linux/linux-5.15-wifi-security-patches-9.patch +++ /dev/null @@ -1,126 +0,0 @@ -From 864f2d3482f4bd0c62b355e35ee8300be8ef488e Mon Sep 17 00:00:00 2001 -From: Johannes Berg -Date: Thu, 13 Oct 2022 20:15:56 +0200 -Subject: [PATCH] mac80211: mesh: clean up rx_bcn_presp API - -commit a5b983c6073140b624f64e79fea6d33c3e4315a0 upstream. - -We currently pass the entire elements to the rx_bcn_presp() -method, but only need mesh_config. Additionally, we use the -length of the elements to calculate back the entire frame's -length, but that's confusing - just pass the length of the -frame instead. - -Link: https://lore.kernel.org/r/20210920154009.a18ed3d2da6c.I1824b773a0fbae4453e1433c184678ca14e8df45@changeid -Signed-off-by: Johannes Berg -Cc: Felix Fietkau -Signed-off-by: Greg Kroah-Hartman ---- - net/mac80211/ieee80211_i.h | 7 +++---- - net/mac80211/mesh.c | 4 ++-- - net/mac80211/mesh_sync.c | 26 ++++++++++++-------------- - 3 files changed, 17 insertions(+), 20 deletions(-) - -diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h -index f7bea4af2ddb..4bd55af184b2 100644 ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -631,10 +631,9 @@ struct ieee80211_if_ocb { - */ - struct ieee802_11_elems; - struct ieee80211_mesh_sync_ops { -- void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, -- u16 stype, -- struct ieee80211_mgmt *mgmt, -- struct ieee802_11_elems *elems, -+ void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype, -+ struct ieee80211_mgmt *mgmt, unsigned int len, -+ const struct ieee80211_meshconf_ie *mesh_cfg, - struct ieee80211_rx_status *rx_status); - - /* should be called with beacon_data under RCU read lock */ -diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c -index 42bd81a30310..9f6414a68d71 100644 ---- a/net/mac80211/mesh.c -+++ b/net/mac80211/mesh.c -@@ -1354,8 +1354,8 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, - } - - if (ifmsh->sync_ops) -- ifmsh->sync_ops->rx_bcn_presp(sdata, -- stype, mgmt, &elems, rx_status); -+ ifmsh->sync_ops->rx_bcn_presp(sdata, stype, mgmt, len, -+ elems.mesh_config, rx_status); - } - - int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata) -diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c -index fde93de2b80a..9e342cc2504c 100644 ---- a/net/mac80211/mesh_sync.c -+++ b/net/mac80211/mesh_sync.c -@@ -3,6 +3,7 @@ - * Copyright 2011-2012, Pavel Zubarev - * Copyright 2011-2012, Marco Porsch - * Copyright 2011-2012, cozybit Inc. -+ * Copyright (C) 2021 Intel Corporation - */ - - #include "ieee80211_i.h" -@@ -35,12 +36,12 @@ struct sync_method { - /** - * mesh_peer_tbtt_adjusting - check if an mp is currently adjusting its TBTT - * -- * @ie: information elements of a management frame from the mesh peer -+ * @cfg: mesh config element from the mesh peer (or %NULL) - */ --static bool mesh_peer_tbtt_adjusting(struct ieee802_11_elems *ie) -+static bool mesh_peer_tbtt_adjusting(const struct ieee80211_meshconf_ie *cfg) - { -- return (ie->mesh_config->meshconf_cap & -- IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING) != 0; -+ return cfg && -+ (cfg->meshconf_cap & IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING); - } - - void mesh_sync_adjust_tsf(struct ieee80211_sub_if_data *sdata) -@@ -76,11 +77,11 @@ void mesh_sync_adjust_tsf(struct ieee80211_sub_if_data *sdata) - } - } - --static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, -- u16 stype, -- struct ieee80211_mgmt *mgmt, -- struct ieee802_11_elems *elems, -- struct ieee80211_rx_status *rx_status) -+static void -+mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, u16 stype, -+ struct ieee80211_mgmt *mgmt, unsigned int len, -+ const struct ieee80211_meshconf_ie *mesh_cfg, -+ struct ieee80211_rx_status *rx_status) - { - struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; - struct ieee80211_local *local = sdata->local; -@@ -101,10 +102,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, - */ - if (ieee80211_have_rx_timestamp(rx_status)) - t_r = ieee80211_calculate_rx_timestamp(local, rx_status, -- 24 + 12 + -- elems->total_len + -- FCS_LEN, -- 24); -+ len + FCS_LEN, 24); - else - t_r = drv_get_tsf(local, sdata); - -@@ -119,7 +117,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, - * dot11MeshNbrOffsetMaxNeighbor non-peer non-MBSS neighbors - */ - -- if (elems->mesh_config && mesh_peer_tbtt_adjusting(elems)) { -+ if (mesh_peer_tbtt_adjusting(mesh_cfg)) { - msync_dbg(sdata, "STA %pM : is adjusting TBTT\n", - sta->sta.addr); - goto no_sync; --- -2.30.2 -