From: Sasha Levin <sashal@kernel.org> To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alexander Aring <aahringo@redhat.com>, David Teigland <teigland@redhat.com>, Sasha Levin <sashal@kernel.org>, cluster-devel@redhat.com Subject: [PATCH AUTOSEL 5.11 008/104] fs: dlm: check on minimum msglen size Date: Wed, 5 May 2021 12:32:37 -0400 [thread overview] Message-ID: <20210505163413.3461611-8-sashal@kernel.org> (raw) In-Reply-To: <20210505163413.3461611-1-sashal@kernel.org> From: Alexander Aring <aahringo@redhat.com> [ Upstream commit 710176e8363f269c6ecd73d203973b31ace119d3 ] This patch adds an additional check for minimum dlm header size which is an invalid dlm message and signals a broken stream. A msglen field cannot be less than the dlm header size because the field is inclusive header lengths. Signed-off-by: Alexander Aring <aahringo@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- fs/dlm/midcomms.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c index fde3a6afe4be..0bedfa8606a2 100644 --- a/fs/dlm/midcomms.c +++ b/fs/dlm/midcomms.c @@ -49,9 +49,10 @@ int dlm_process_incoming_buffer(int nodeid, unsigned char *buf, int len) * cannot deliver this message to upper layers */ msglen = get_unaligned_le16(&hd->h_length); - if (msglen > DEFAULT_BUFFER_SIZE) { - log_print("received invalid length header: %u, will abort message parsing", - msglen); + if (msglen > DEFAULT_BUFFER_SIZE || + msglen < sizeof(struct dlm_header)) { + log_print("received invalid length header: %u from node %d, will abort message parsing", + msglen, nodeid); return -EBADMSG; } -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sashal@kernel.org> To: cluster-devel.redhat.com Subject: [Cluster-devel] [PATCH AUTOSEL 5.11 008/104] fs: dlm: check on minimum msglen size Date: Wed, 5 May 2021 12:32:37 -0400 [thread overview] Message-ID: <20210505163413.3461611-8-sashal@kernel.org> (raw) In-Reply-To: <20210505163413.3461611-1-sashal@kernel.org> From: Alexander Aring <aahringo@redhat.com> [ Upstream commit 710176e8363f269c6ecd73d203973b31ace119d3 ] This patch adds an additional check for minimum dlm header size which is an invalid dlm message and signals a broken stream. A msglen field cannot be less than the dlm header size because the field is inclusive header lengths. Signed-off-by: Alexander Aring <aahringo@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- fs/dlm/midcomms.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c index fde3a6afe4be..0bedfa8606a2 100644 --- a/fs/dlm/midcomms.c +++ b/fs/dlm/midcomms.c @@ -49,9 +49,10 @@ int dlm_process_incoming_buffer(int nodeid, unsigned char *buf, int len) * cannot deliver this message to upper layers */ msglen = get_unaligned_le16(&hd->h_length); - if (msglen > DEFAULT_BUFFER_SIZE) { - log_print("received invalid length header: %u, will abort message parsing", - msglen); + if (msglen > DEFAULT_BUFFER_SIZE || + msglen < sizeof(struct dlm_header)) { + log_print("received invalid length header: %u from node %d, will abort message parsing", + msglen, nodeid); return -EBADMSG; } -- 2.30.2
next prev parent reply other threads:[~2021-05-05 16:45 UTC|newest] Thread overview: 182+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-05 16:32 [PATCH AUTOSEL 5.11 001/104] ath11k: fix thermal temperature read Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 002/104] ALSA: usb-audio: Add Pioneer DJM-850 to quirks-table Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 003/104] fs: dlm: fix debugfs dump Sasha Levin 2021-05-05 16:32 ` [Cluster-devel] " Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 004/104] fs: dlm: fix mark setting deadlock Sasha Levin 2021-05-05 16:32 ` [Cluster-devel] " Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 005/104] fs: dlm: add errno handling to check callback Sasha Levin 2021-05-05 16:32 ` [Cluster-devel] " Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 006/104] fs: dlm: add check if dlm is currently running Sasha Levin 2021-05-05 16:32 ` [Cluster-devel] " Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 007/104] fs: dlm: change allocation limits Sasha Levin 2021-05-05 16:32 ` [Cluster-devel] " Sasha Levin 2021-05-05 16:32 ` Sasha Levin [this message] 2021-05-05 16:32 ` [Cluster-devel] [PATCH AUTOSEL 5.11 008/104] fs: dlm: check on minimum msglen size Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 009/104] fs: dlm: flush swork on shutdown Sasha Levin 2021-05-05 16:32 ` [Cluster-devel] " Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 010/104] fs: dlm: add shutdown hook Sasha Levin 2021-05-05 16:32 ` [Cluster-devel] " Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 011/104] tipc: convert dest node's address to network order Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 012/104] ASoC: Intel: bytcr_rt5640: Enable jack-detect support on Asus T100TAF Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 013/104] net/mlx5e: Use net_prefetchw instead of prefetchw in MPWQE TX datapath Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 014/104] net: stmmac: Set FIFO sizes for ipq806x Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 015/104] ASoC: rsnd: core: Check convert rate in rsnd_hw_params Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 016/104] Documentation: networking: switchdev: fix command for static FDB entries Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 017/104] Bluetooth: Fix incorrect status handling in LE PHY UPDATE event Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 018/104] i2c: bail out early when RDWR parameters are wrong Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 019/104] ALSA: hdsp: don't disable if not enabled Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 020/104] ALSA: hdspm: " Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 021/104] ALSA: rme9652: " Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 022/104] ALSA: bebob: enable to deliver MIDI messages for multiple ports Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 023/104] Bluetooth: Set CONF_NOT_COMPLETE as l2cap_chan default Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 024/104] Bluetooth: verify AMP hci_chan before amp_destroy Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 025/104] Bluetooth: initialize skb_queue_head at l2cap_chan_create() Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 026/104] net/sched: cls_flower: use ntohs for struct flow_dissector_key_ports Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 027/104] net: bridge: when suppression is enabled exclude RARP packets Sasha Levin 2021-05-05 16:32 ` [Bridge] " Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 028/104] Bluetooth: check for zapped sk before connecting Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 029/104] selftests/powerpc: Fix L1D flushing tests for Power10 Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:32 ` [PATCH AUTOSEL 5.11 030/104] powerpc/32: Statically initialise first emergency context Sasha Levin 2021-05-05 16:32 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 031/104] net: hns3: remediate a potential overflow risk of bd_num_list Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 032/104] net: hns3: add handling for xmit skb with recursive fraglist Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 033/104] ip6_vti: proper dev_{hold|put} in ndo_[un]init methods Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 034/104] ASoC: Intel: bytcr_rt5640: Add quirk for the Chuwi Hi8 tablet Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 035/104] ice: handle increasing Tx or Rx ring sizes Sasha Levin 2021-05-05 16:33 ` [Intel-wired-lan] " Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 036/104] KVM: arm64: Use BUG and BUG_ON in nVHE hyp Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:48 ` Marc Zyngier 2021-05-05 16:48 ` Marc Zyngier 2021-05-05 16:48 ` Marc Zyngier 2021-05-06 0:14 ` Sasha Levin 2021-05-06 0:14 ` Sasha Levin 2021-05-06 0:14 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 037/104] net: usb: ax88179_178a: initialize local variables before use Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 038/104] Bluetooth: btusb: Enable quirk boolean flag for Mediatek Chip Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 039/104] ASoC: rt5670: Add a quirk for the Dell Venue 10 Pro 5055 Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 040/104] selftests: mptcp: launch mptcp_connect with timeout Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 041/104] i2c: Add I2C_AQ_NO_REP_START adapter quirk Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 042/104] Bluetooth: Do not set cur_adv_instance in adv param MGMT request Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 043/104] MIPS: Loongson64: Use _CACHE_UNCACHED instead of _CACHE_UNCACHED_ACCELERATED Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 044/104] coresight: Do not scan for graph if none is present Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 045/104] IB/hfi1: Correct oversized ring allocation Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 046/104] mac80211: Set priority and queue mapping for injected frames Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 047/104] mac80211: clear the beacon's CRC after channel switch Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 048/104] ASoC: soc-compress: lock pcm_mutex to resolve lockdep error Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 049/104] pinctrl: samsung: use 'int' for register masks in Exynos Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 050/104] rtw88: 8822c: add LC calibration for RTL8822C Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 051/104] mt76: mt7615: fix key set/delete issues Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 052/104] mt76: mt7615: support loading EEPROM for MT7613BE Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 053/104] mt76: mt76x0: disable GTK offloading Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 054/104] mt76: mt7915: always check return value from mt7915_mcu_alloc_wtbl_req Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 055/104] mt76: mt7915: fix key set/delete issue Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 056/104] mt76: mt7915: fix txpower init for TSSI off chips Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 057/104] mt76: mt7915: add wifi subsystem reset Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 058/104] i2c: imx: Fix PM reference leak in i2c_imx_reg_slave() Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 059/104] fuse: invalidate attrs when page writeback completes Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 060/104] virtiofs: fix userns Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 061/104] cuse: prevent clone Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 062/104] iwlwifi: pcie: make cfg vs. trans_cfg more robust Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 063/104] iwlwifi: queue: avoid memory leak in reset flow Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 064/104] powerpc/mm: Add cond_resched() while removing hpte mappings Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 065/104] ASoC: rsnd: call rsnd_ssi_master_clk_start() from rsnd_ssi_init() Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 066/104] Revert "iommu/amd: Fix performance counter initialization" Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 067/104] iommu/amd: Remove performance counter pre-initialization test Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 068/104] drm/amd/display: Force vsync flip when reconfiguring MPCC Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 069/104] selftests: Set CC to clang in lib.mk if LLVM is set Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 070/104] kconfig: nconf: stop endless search loops Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 071/104] ALSA: hda/realtek: Add quirk for Lenovo Ideapad S740 Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 072/104] ASoC: Intel: sof_sdw: add quirk for new ADL-P Rvp Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 073/104] ALSA: hda/hdmi: fix race in handling acomp ELD notification at resume Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 074/104] sctp: Fix out-of-bounds warning in sctp_process_asconf_param() Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 075/104] flow_dissector: Fix out-of-bounds warning in __skb_flow_bpf_to_target() Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 076/104] powerpc/xive: Use the "ibm, chip-id" property only under PowerNV Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 077/104] powerpc/smp: Set numa node before updating mask Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 078/104] wilc1000: Bring MAC address setting in line with typical Linux behavior Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 079/104] mac80211: properly drop the connection in case of invalid CSA IE Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 080/104] ASoC: rt286: Generalize support for ALC3263 codec Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 081/104] ethtool: ioctl: Fix out-of-bounds warning in store_link_ksettings_for_user() Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 082/104] net: sched: tapr: prevent cycle_time == 0 in parse_taprio_schedule Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 083/104] samples/bpf: Fix broken tracex1 due to kprobe argument change Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 084/104] powerpc/pseries: Stop calling printk in rtas_stop_self() Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 085/104] drm/amd/display: fixed divide by zero kernel crash during dsc enablement Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 086/104] drm/amd/display: add handling for hdcp2 rx id list validation Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 087/104] drm/amdgpu: Add mem sync flag for IB allocated by SA Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 088/104] mt76: mt7615: fix entering driver-own state on mt7663 Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 089/104] crypto: ccp: Free SEV device if SEV init fails Sasha Levin 2021-05-05 16:33 ` [PATCH AUTOSEL 5.11 090/104] wl3501_cs: Fix out-of-bounds warnings in wl3501_send_pkt Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 091/104] wl3501_cs: Fix out-of-bounds warnings in wl3501_mgmt_join Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 092/104] qtnfmac: Fix possible buffer overflow in qtnf_event_handle_external_auth Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 093/104] powerpc/iommu: Annotate nested lock for lockdep Sasha Levin 2021-05-05 16:34 ` Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 094/104] iavf: remove duplicate free resources calls Sasha Levin 2021-05-05 16:34 ` [Intel-wired-lan] " Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 095/104] net: ethernet: mtk_eth_soc: fix RX VLAN offload Sasha Levin 2021-05-05 16:34 ` Sasha Levin 2021-05-05 16:34 ` Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 096/104] selftests: mlxsw: Increase the tolerance of backlog buildup Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 097/104] selftests: mlxsw: Fix mausezahn invocation in ERSPAN scale test Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 098/104] kbuild: generate Module.symvers only when vmlinux exists Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 099/104] bnxt_en: Add PCI IDs for Hyper-V VF devices Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 100/104] ia64: module: fix symbolizer crash on fdescr Sasha Levin 2021-05-05 16:34 ` Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 101/104] watchdog: rename __touch_watchdog() to a better descriptive name Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 102/104] watchdog: explicitly update timestamp when reporting softlockup Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 103/104] watchdog/softlockup: remove logic that tried to prevent repeated reports Sasha Levin 2021-05-05 16:34 ` [PATCH AUTOSEL 5.11 104/104] watchdog: fix barriers when printing backtraces from all CPUs Sasha Levin
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