syzbot


possible deadlock in flush_workqueue (2)
Status: upstream: reported C repro on 2018/10/20 16:57
Reported-by: syzbot+a50c7541a4a55cd49b02@syzkaller.appspotmail.com
First crash: 336d, last: 10d
Bisection: introduced by (bisect log):

commit f547fac624be53ad8b07e9ebca7654a7827ba61b
Author: Sabrina Dubroca <sd@queasysnail.net>
Date: Fri Oct 12 14:22:47 2018 +0000

  ipv6: rate-limit probes for neighbourless routes

Tree: upstream
Crash: possible deadlock in __generic_file_fsync (log)
Repro: C syz .config
Bisection: fixed by (bisect log):

commit e7c58097793ef15d58fadf190ee58738fbf447cd
Author: Mike Kravetz <mike.kravetz@oracle.com>
Date: Tue Jan 8 23:23:32 2019 +0000

  hugetlbfs: revert "Use i_mmap_rwsem to fix page fault/truncate race"

Tree: upstream
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 possible deadlock in flush_workqueue 1 34d 34d 0/1 upstream: reported on 2019/08/17 15:12
upstream possible deadlock in flush_workqueue C 73762 351d 393d 12/13 fixed on 2018/10/11 14:33

Sample crash report:

All crashes (170):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2018/10/23 09:41 upstream ca9eb48f ecb386fe .config log report syz C adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-linux-next-kasan-gce-root 2018/11/10 14:00 linux-next 442b8cea f9815aaf .config log report syz C adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce-root 2018/10/19 16:13 upstream 91b15613 9aba67b5 .config log report syz adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce-selinux-root 2018/11/21 03:45 upstream 06e68fed 9aca6b52 .config log report syz adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce-smack-root 2018/10/24 16:21 upstream 638820d8 a8292de9 .config log report syz adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce-root 2018/10/24 11:23 upstream 44786880 a8292de9 .config log report syz adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-linux-next-kasan-gce-root 2018/11/20 23:50 linux-next 442b8cea 9aca6b52 .config log report syz adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce 2018/12/25 20:03 upstream 8fe28cb5 8a41a0ad .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce-smack-root 2018/12/24 21:13 upstream 8fe28cb5 8a41a0ad .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce 2018/12/24 13:56 upstream 8fe28cb5 be79df56 .config log report hansverk@cisco.com, hdegoede@redhat.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com
ci-upstream-kasan-gce 2018/12/23 15:57 upstream 9105b8aa e3bd7ab8 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce 2018/12/23 11:53 upstream 9105b8aa e3bd7ab8 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com
ci-upstream-kasan-gce 2018/12/23 04:08 upstream 9105b8aa e3bd7ab8 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce-root 2018/12/21 21:23 upstream 5092adb2 588075e6 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce 2018/12/21 10:31 upstream 9097a058 2b497001 .config log report hansverk@cisco.com, hdegoede@redhat.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com
ci-upstream-kasan-gce 2018/12/20 13:17 upstream ab63e725 aaf59e84 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-root 2018/12/19 23:27 upstream 62393dbc 02e69052 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce 2018/12/19 16:29 upstream 62393dbc fe2dc057 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce 2018/12/18 23:21 upstream ddfbab46 4edaba93 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce 2018/12/18 12:55 upstream 1a9430db 4edaba93 .config log report hansverk@cisco.com, hdegoede@redhat.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, maxime.ripard@bootlin.com, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com
ci-upstream-kasan-gce 2018/12/18 11:41 upstream 1a9430db def91db3 .config log report hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, maxime.ripard@bootlin.com, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com, todor.tomov@linaro.org
ci-upstream-kasan-gce 2018/12/18 00:27 upstream 7566ec39 def91db3 .config log report hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, maxime.ripard@bootlin.com, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com
ci-upstream-kasan-gce-smack-root 2018/12/17 21:59 upstream 7566ec39 def91db3 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce-smack-root 2018/12/17 12:18 upstream 7566ec39 def91db3 .config log report hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com, todor.tomov@linaro.org
ci-upstream-kasan-gce-root 2018/12/17 06:50 upstream 7566ec39 def91db3 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce-root 2018/12/16 15:55 upstream 6531e115 def91db3 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce 2018/12/16 10:27 upstream 6531e115 def91db3 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-smack-root 2018/12/16 00:33 upstream 6531e115 def91db3 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-root 2018/12/15 18:08 upstream 6531e115 c9128939 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com
ci-upstream-kasan-gce-selinux-root 2018/12/15 07:05 upstream eb6cf9f8 7624ddd6 .config log report hansverk@cisco.com, hdegoede@redhat.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com
ci-upstream-kasan-gce-selinux-root 2018/12/13 23:58 upstream 65e08c5e fe7127be .config log report hansverk@cisco.com, hdegoede@redhat.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com, todor.tomov@linaro.org
ci-upstream-kasan-gce-root 2018/12/13 07:08 upstream f5d58277 02613a41 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce 2018/12/12 20:26 upstream f5d58277 c3b10a5d .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce 2018/12/12 17:26 upstream f5d58277 c3b10a5d .config log report hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, maxime.ripard@bootlin.com, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com
ci-upstream-kasan-gce 2018/12/12 07:25 upstream f5d58277 7795ae03 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com
ci-upstream-kasan-gce 2018/12/11 23:46 upstream f5d58277 7795ae03 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce 2018/12/11 12:01 upstream f5d58277 7795ae03 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-smack-root 2018/12/11 08:42 upstream f5d58277 4093e33b .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce 2018/12/11 00:55 upstream f5d58277 4093e33b .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-root 2018/12/10 00:33 upstream 0844895a 96cc4c50 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce-root 2018/12/09 19:09 upstream 8214bdf7 979179d6 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce 2018/12/09 12:47 upstream 8214bdf7 979179d6 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-smack-root 2018/12/09 11:24 upstream 8214bdf7 979179d6 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com
ci-upstream-kasan-gce 2018/12/09 05:39 upstream 8214bdf7 c7918378 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com
ci-upstream-kasan-gce-smack-root 2018/12/08 23:13 upstream 8214bdf7 c7918378 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-selinux-root 2018/12/08 10:42 upstream 5f179793 65ed2472 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce-smack-root 2018/12/08 01:09 upstream 5f179793 65ed2472 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce-386 2018/12/21 03:08 upstream 9097a058 2b497001 .config log report hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com, todor.tomov@linaro.org
ci-upstream-kasan-gce-386 2018/12/21 02:04 upstream 9097a058 2b497001 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-386 2018/12/20 19:19 upstream 1d51b4b1 aaf59e84 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-386 2018/12/19 09:43 upstream 62393dbc 4edaba93 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com
ci-upstream-kasan-gce-386 2018/12/17 21:51 upstream 7566ec39 def91db3 .config log report ezequiel@collabora.com, hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce-386 2018/12/17 02:51 upstream 7566ec39 def91db3 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-kasan-gce-386 2018/12/15 21:15 upstream 6531e115 def91db3 .config log report hansverk@cisco.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, maxime.ripard@bootlin.com, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, paul.kocialkowski@bootlin.com, sakari.ailus@linux.intel.com, samitolvanen@google.com, todor.tomov@linaro.org
ci-upstream-kasan-gce-386 2018/12/07 23:54 upstream 5f179793 65ed2472 .config log report ezequiel@collabora.com, hansverk@cisco.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, scileont@gmail.com, tfiga@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/09/10 06:00 linux-next 6d028043 a60cb4cd .config log report axboe@kernel.dk, josef@toxicpanda.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci-upstream-linux-next-kasan-gce-root 2019/09/07 22:07 linux-next 6d028043 a60cb4cd .config log report axboe@kernel.dk, josef@toxicpanda.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci-upstream-linux-next-kasan-gce-root 2019/09/01 17:36 linux-next 6d028043 bad3cce2 .config log report axboe@kernel.dk, josef@toxicpanda.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci-upstream-linux-next-kasan-gce-root 2019/08/29 05:02 linux-next ed2393ca fd37b39e .config log report axboe@kernel.dk, josef@toxicpanda.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci-upstream-linux-next-kasan-gce-root 2019/08/24 20:01 linux-next 9733a7c6 78ded196 .config log report axboe@kernel.dk, josef@toxicpanda.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci-upstream-linux-next-kasan-gce-root 2019/08/22 06:41 linux-next a34a6117 984250d5 .config log report axboe@kernel.dk, josef@toxicpanda.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci-upstream-linux-next-kasan-gce-root 2018/12/02 05:33 linux-next 442b8cea 5a581673 .config log report ezequiel@collabora.com, hverkuil-cisco@xs4all.nl, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, scileont@gmail.com