syzbot


inconsistent lock state in sco_conn_del
Status: upstream: reported C repro on 2020/08/11 17:07
Reported-by: syzbot+65684128cd7c35bc66a1@syzkaller.appspotmail.com
First crash: 253d, last: 1d04h

Cause bisection: introduced by (bisect log) :
commit 135b8b37bd91cc82f83e98fca109b80375f5317e
Author: Kenny Yu <kennyyu@fb.com>
Date: Tue Jun 21 18:04:36 2016 +0000

  cgroup: Add pids controller event when fork fails because of pid limit

Crash: INFO: suspicious RCU usage in pids_can_fork (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 inconsistent lock state in sco_conn_del syz 36 18d 264d 0/1 upstream: reported syz repro on 2020/07/31 12:31
linux-4.19 inconsistent lock state in sco_conn_del C 18 1d07h 226d 0/1 upstream: reported C repro on 2020/09/07 19:17

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/12/23 13:46 upstream 614cb589 79fb24e2 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/11/23 13:20 upstream 418baf2c 79fb24e2 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/10/24 13:00 upstream f11901ed 79fb24e2 .config log report syz C
Crashes (35):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/09/12 01:34 upstream e8878ab8 79fb24e2 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/09/24 12:38 linux-next dcf2427b 54289b08 .config log report syz C
ci-upstream-kasan-gce-root 2021/04/04 07:41 upstream 57fbdb15 6a81331a .config log report syz inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-selinux-root 2021/04/20 20:46 upstream 7af08140 c0ced557 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-selinux-root 2021/03/24 20:28 upstream 7acac4b3 607e3baf .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-root 2021/03/20 07:25 upstream 1c273e10 3d01c4de .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-smack-root 2021/02/19 19:20 upstream f40ddce8 f689d40a .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-smack-root 2021/02/19 17:25 upstream f40ddce8 f689d40a .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-root 2021/02/10 09:13 upstream e0756cfc 2bd9619f .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-root 2021/02/03 01:35 upstream 3aaf0a27 624dad51 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-root 2021/02/02 06:03 upstream 88bb507a e6b95f32 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-root 2021/02/02 05:31 upstream 88bb507a e6b95f32 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-smack-root 2021/02/02 05:19 upstream 88bb507a e6b95f32 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-smack-root 2021/02/01 16:01 upstream 1048ba83 e6b95f32 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-selinux-root 2021/01/31 18:14 upstream 6642d600 fc9fd31e .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-root 2021/01/31 14:56 upstream 6642d600 fc9fd31e .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-root 2021/01/29 11:46 upstream bec4c296 6593fd32 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-smack-root 2021/01/23 23:15 upstream e1ae4b0b 52e37319 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-smack-root 2021/01/23 22:13 upstream e1ae4b0b 52e37319 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-selinux-root 2021/01/23 11:19 upstream fe75a218 52e37319 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-smack-root 2021/01/23 10:14 upstream fe75a218 52e37319 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-selinux-root 2021/01/23 08:56 upstream fe75a218 52e37319 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-selinux-root 2021/01/22 21:54 upstream 83d09ad4 4080af96 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-root 2021/01/22 19:55 upstream 83d09ad4 4080af96 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-root 2021/01/22 05:25 upstream 9f29bd8b d4f4eca5 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-smack-root 2021/01/20 23:23 upstream 75439bc4 d4f4eca5 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-linux-next-kasan-gce-root 2021/03/27 08:30 linux-next 93129492 a8529b82 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-linux-next-kasan-gce-root 2021/01/27 13:56 linux-next bc085f8f a0ebf917 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-linux-next-kasan-gce-root 2021/01/27 10:50 linux-next bc085f8f a0ebf917 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-linux-next-kasan-gce-root 2021/01/22 23:33 linux-next bc085f8f 4080af96 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-linux-next-kasan-gce-root 2021/01/22 20:44 linux-next bc085f8f 4080af96 .config log report info inconsistent lock state in sco_conn_del
ci-upstream-kasan-gce-selinux-root 2020/12/30 02:51 upstream 139711f0 0fa352f2 .config log report info
ci-upstream-kasan-gce-smack-root 2020/08/16 03:01 upstream c9c9735c 424dd8e7 .config log report
ci-upstream-kasan-gce-selinux-root 2020/08/14 04:47 upstream 990f2273 54ce1ed6 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/11 02:41 linux-next f80535b9 7adc7b65 .config log report