syzbot


possible deadlock in kill_fasync
Status: upstream: reported C repro on 2020/10/03 10:29
Reported-by: syzbot+3e12e14ee01b675e1af2@syzkaller.appspotmail.com
First crash: 394d, last: 61d

Cause bisection: introduced by (bisect log) :
commit e918188611f073063415f40fae568fa4d86d9044
Author: Boqun Feng <boqun.feng@gmail.com>
Date: Fri Aug 7 07:42:20 2020 +0000

  locking: More accurate annotations for read_lock()

Crash: possible deadlock in kill_fasync (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) [merge commit]:
commit 6b6dc4f40c5264556223ba94693f20d83796ab1f
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Sep 5 17:50:12 2021 +0000

  Merge tag 'mtd/for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
possible deadlock in evdev_pass_values 10 167d 292d 0/22 closed as dup on 2021/07/02 09:55
Patch testing requests:
Created Duration User Patch Repo Result
2021/07/02 09:29 17m desmondcheongzx@gmail.com patch upstream OK

Sample crash report:

Crashes (394):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/05/01 12:41 upstream d2b6f8a17919 77e2b668 .config log report syz C possible deadlock in kill_fasync
ci-upstream-kasan-gce-root 2021/04/30 13:58 upstream d2b6f8a17919 77e2b668 .config log report syz C possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/04 12:26 upstream 2023a53bdf41 6a81331a .config log report syz C possible deadlock in kill_fasync
ci-upstream-linux-next-kasan-gce-root 2021/05/29 10:08 linux-next a1f92694393a 858ea628 .config log report syz C possible deadlock in kill_fasync
ci-upstream-kasan-gce 2020/12/26 21:17 upstream 40f78232f973 821e0b09 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/11/17 20:31 linux-next 7c8ca8129ee9 bd2a760b .config log report syz C
ci-upstream-kasan-gce 2021/08/09 17:10 upstream 36a21d51725a 6972b106 .config log report syz possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/07/31 12:44 upstream c7d102232649 6c236867 .config log report syz possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/06/20 07:48 upstream 9ed13a17e38e aba2b2fb .config log report syz possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/23 11:50 upstream 4d7620341eda 3c7fef33 .config log report syz possible deadlock in kill_fasync
ci-upstream-linux-next-kasan-gce-root 2021/04/02 10:04 linux-next 454c576c3f5e 6a81331a .config log report syz possible deadlock in kill_fasync
ci-upstream-kasan-gce-root 2021/08/28 14:38 upstream 64b4fc45bea6 be2c130d .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/08/26 18:12 upstream 73f3af7b4611 b318694d .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/08/25 21:34 upstream fe67f4dd8daa b599f2fc .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/08/16 12:18 upstream 7c60610d4767 33c26cb7 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/08/06 10:59 upstream 902e7f373fff f9e341e3 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/07/31 10:21 upstream c7d102232649 6c236867 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/07/30 14:59 upstream 764a5bc89b12 c585c7b0 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/07/24 10:57 upstream f0fddcec6b62 4d1b57d4 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/07/16 00:29 upstream dd9c7df94c1b f115ae98 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/07/12 17:18 upstream e73f0f0ee754 f415556d .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/07/10 01:57 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/07/10 00:26 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/06/26 05:11 upstream b7050b242430 ae6bf8dd .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/06/23 03:12 upstream 0c18f29aae7c aba2b2fb .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-root 2021/06/22 20:11 upstream 0c18f29aae7c aba2b2fb .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/06/22 14:42 upstream a96bfed64c89 aba2b2fb .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-root 2021/06/20 21:21 upstream cba5e97280f5 aba2b2fb .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-root 2021/06/20 08:59 upstream 913ec3c22ef4 aba2b2fb .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-root 2021/06/19 22:02 upstream 9ed13a17e38e aba2b2fb .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/06/10 21:14 upstream f09eacca59d2 1ba81399 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/06/07 01:41 upstream decad3e1d1ed 500c2339 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/05/28 05:35 upstream 97e5bf604b7a 858ea628 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/05/26 11:28 upstream ad9f25d33860 54f0bcf1 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/26 10:04 upstream ad9f25d33860 54f0bcf1 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/24 12:23 upstream c4681547bcce 3c7fef33 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/05/22 19:58 upstream 23d729263037 3c7fef33 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/05/22 18:22 upstream 45af60e7ced0 3c7fef33 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/22 05:15 upstream 45af60e7ced0 3c7fef33 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/05/17 09:52 upstream d07f6ca923ea a2eb125d .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/05/16 14:05 upstream 63d1cb53e26a f54a5c09 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/05/15 13:02 upstream 25a1298726e9 93f844de .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/14 15:59 upstream 315d99318179 8bdd5343 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/13 01:38 upstream dbb5afad100a ed7d41c5 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/05/12 23:47 upstream dbb5afad100a ed7d41c5 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/05/11 23:15 upstream 88b06399c9c7 b3c3bb8e .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/11 19:33 upstream 88b06399c9c7 b3c3bb8e .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/11 12:08 upstream 1140ab592e2e ca873091 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/05/11 10:46 upstream 1140ab592e2e ca873091 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/05/10 23:40 upstream 0aa099a312b6 ca873091 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/10 13:50 upstream 6efb943b8616 ca873091 .config log report info possible deadlock in kill_fasync
ci-qemu-upstream 2021/04/15 03:07 upstream 7f75285ca572 fcdb12ba .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/05/21 01:47 upstream ba816d3c265c 3c7fef33 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/05/20 20:34 upstream f01da525b3de c560a65d .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/05/11 13:38 upstream 1140ab592e2e ca873091 .config log report info possible deadlock in kill_fasync
ci-upstream-linux-next-kasan-gce-root 2021/06/02 15:01 linux-next a1f92694393a 0740de69 .config log report info possible deadlock in kill_fasync
ci-upstream-linux-next-kasan-gce-root 2021/06/02 11:54 linux-next a1f92694393a 0740de69 .config log report info possible deadlock in kill_fasync
ci-upstream-linux-next-kasan-gce-root 2021/05/18 00:42 linux-next cd557f1c605f a343ba6b .config log report info possible deadlock in kill_fasync
ci-upstream-linux-next-kasan-gce-root 2021/05/14 09:32 linux-next cd557f1c605f 8bdd5343 .config log report info possible deadlock in kill_fasync
ci-upstream-linux-next-kasan-gce-root 2021/05/12 12:44 linux-next ec85c95b0c90 da958a4d .config log report info possible deadlock in kill_fasync
ci-upstream-linux-next-kasan-gce-root 2021/05/11 06:22 linux-next e6f67ebd93ef ca873091 .config log report info possible deadlock in kill_fasync
ci2-upstream-usb 2021/04/13 17:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 401411bbc4e6 6a81331a .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/01/17 01:52 upstream 0da0a8a0a0e1 65a7a854 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/29 10:21 linux-next 663b07a45f97 1b88c6d5 .config log report info