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: 223d, last: 5h41m

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

Sample crash report:

Crashes (334):
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 d2b6f8a1 77e2b668 .config log report syz C possible deadlock in kill_fasync
ci-upstream-kasan-gce-root 2021/04/30 13:58 upstream d2b6f8a1 77e2b668 .config log report syz C possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/04 12:26 upstream 2023a53b 6a81331a .config log report syz C possible deadlock in kill_fasync
ci-upstream-kasan-gce 2020/12/26 21:17 upstream 40f78232 821e0b09 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/11/17 20:31 linux-next 7c8ca812 bd2a760b .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2021/04/02 10:04 linux-next 454c576c 6a81331a .config log report syz possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/10 13:50 upstream 6efb943b ca873091 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/05/04 08:40 upstream d2b6f8a1 09efdd63 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/04/29 07:49 upstream d72cd4ad 77e2b668 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/04/27 19:51 upstream 57fa2369 805b5003 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/27 04:11 upstream 4a0225c3 805b5003 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/26 17:30 upstream 9f4ad9e4 e60b7df1 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-root 2021/04/26 16:06 upstream 9f4ad9e4 e60b7df1 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/25 10:01 upstream 2a1d7946 36c88236 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/04/24 23:08 upstream 8db5efb8 17f0b706 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/04/24 21:34 upstream 8db5efb8 17f0b706 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/04/24 19:31 upstream 8db5efb8 17f0b706 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/04/24 04:37 upstream e77a830c 17f0b706 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/23 12:11 upstream 18a3c5f7 17f0b706 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/23 01:00 upstream 90c911ad 590921a5 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/22 23:30 upstream 90c911ad 590921a5 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/21 23:09 upstream 16fc44d6 2bc8999a .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/04/21 20:13 upstream 16fc44d6 2bc8999a .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/21 00:38 upstream 1fe5501b c0ced557 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/04/20 14:28 upstream 7af08140 c0ced557 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/20 12:15 upstream 7af08140 c0ced557 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/04/19 06:18 upstream bf05bf16 7e2b734b .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/18 12:33 upstream c98ff1d0 7e2b734b .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/18 11:24 upstream c98ff1d0 7e2b734b .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/04/17 22:34 upstream 194cf482 7e2b734b .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/04/16 20:31 upstream 2f7b98d1 7e2b734b .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/16 18:52 upstream 2f7b98d1 7e2b734b .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce 2021/04/16 13:45 upstream 7e25f40e 7e2b734b .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/04/15 21:25 upstream 7e25f40e c59079a6 .config log report info possible deadlock in kill_fasync
ci-qemu-upstream 2021/04/15 03:07 upstream 7f75285c fcdb12ba .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/04/14 13:25 upstream 50987bec 3134b37f .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/04/14 01:42 upstream eebe426d a184b83e .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-smack-root 2021/04/13 19:36 upstream 89698bec a184b83e .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/04/13 04:24 upstream 89698bec bfeda1b1 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/05/07 12:57 upstream d2b6f8a1 f6da8120 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/05/06 19:25 upstream d2b6f8a1 06585184 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/05/04 23:39 upstream d2b6f8a1 06c27ff5 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/29 23:29 upstream d2b6f8a1 77e2b668 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/26 02:01 upstream d2d09fbe 2a82f1b3 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/25 23:22 upstream d2d09fbe 2a82f1b3 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/25 22:08 upstream d2d09fbe 2a82f1b3 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/23 15:10 upstream 18a3c5f7 17f0b706 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/22 12:31 upstream 16fc44d6 33c28d03 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/20 00:43 upstream 7af08140 4285c989 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/19 10:22 upstream bf05bf16 50f523d7 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/17 09:19 upstream 9cdbf646 7e2b734b .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/16 17:25 upstream 2f7b98d1 7e2b734b .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/13 07:25 upstream 89698bec bfeda1b1 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-386 2021/04/12 17:33 upstream d434405a bfeda1b1 .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 401411bb 6a81331a .config log report info possible deadlock in kill_fasync
ci-upstream-linux-next-kasan-gce-root 2021/04/13 11:27 linux-next dcf1b51d bfeda1b1 .config log report info possible deadlock in kill_fasync
ci-upstream-kasan-gce-selinux-root 2021/01/17 01:52 upstream 0da0a8a0 65a7a854 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/29 10:21 linux-next 663b07a4 1b88c6d5 .config log report info