syzbot


possible deadlock in hugetlb_cow
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+5eee4145df3c15e96625@syzkaller.appspotmail.com
Fix commit: e7dd91c456a8 mm/hugetlb: fix deadlock in hugetlb_cow error path
First crash: 361d, last: 334d

Cause bisection: introduced by (bisect log) [no-op commit]:
commit 1592c4b9935fa8a3b7c297955bb872a357e5a3b6
Author: Linhua Xu <linhua.xu@unisoc.com>
Date: Wed Mar 25 08:25:28 2020 +0000

  pinctrl: sprd: Add pin high impedance mode support

Crash: WARNING in __local_bh_enable_ip (log)
Repro: syz .config

Sample crash report:

Crashes (341):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2020/12/02 18:51 upstream 509a15421674 8c9190ef .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/02 21:20 upstream 509a15421674 8c9190ef .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/12/02 20:27 upstream 509a15421674 8c9190ef .config log report syz
ci-upstream-kasan-gce 2020/12/02 18:31 upstream 509a15421674 8c9190ef .config log report syz
ci-upstream-linux-next-kasan-gce-root 2020/12/02 22:41 linux-next 0eedceafd3a6 8c9190ef .config log report syz
ci-upstream-kasan-gce 2020/12/29 22:49 upstream dea8dcf2a9fa 80910769 .config log report info
ci-upstream-kasan-gce-root 2020/12/29 18:38 upstream dea8dcf2a9fa 80910769 .config log report info
ci-upstream-kasan-gce-root 2020/12/29 15:55 upstream dea8dcf2a9fa 80910769 .config log report info
ci-upstream-kasan-gce-root 2020/12/29 09:16 upstream dea8dcf2a9fa 8259d56c .config log report info
ci-qemu-upstream 2020/12/29 05:54 upstream dea8dcf2a9fa 8259d56c .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/28 05:52 upstream 5c8fe583cce5 2242f77f .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/27 19:45 upstream f838f8d2b694 2242f77f .config log report info
ci-upstream-kasan-gce-root 2020/12/27 18:05 upstream f838f8d2b694 2242f77f .config log report info
ci-upstream-kasan-gce 2020/12/27 08:43 upstream f838f8d2b694 821e0b09 .config log report info
ci-upstream-kasan-gce 2020/12/27 07:24 upstream f838f8d2b694 821e0b09 .config log report info
ci-upstream-kasan-gce 2020/12/27 05:06 upstream f838f8d2b694 821e0b09 .config log report info
ci-upstream-kasan-gce 2020/12/26 19:57 upstream 40f78232f973 821e0b09 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/26 17:38 upstream 40f78232f973 821e0b09 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/26 16:13 upstream 40f78232f973 821e0b09 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/26 15:11 upstream 40f78232f973 821e0b09 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/26 08:05 upstream 5814bc2d4cc2 821e0b09 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/26 06:02 upstream 5814bc2d4cc2 821e0b09 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/26 03:24 upstream 5814bc2d4cc2 821e0b09 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/26 00:43 upstream 5814bc2d4cc2 821e0b09 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/25 23:53 upstream 5814bc2d4cc2 b982b3ea .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/25 20:12 upstream 71c5f03154ac b982b3ea .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/25 18:17 upstream 71c5f03154ac b982b3ea .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/25 16:56 upstream 71c5f03154ac b982b3ea .config log report info
ci-upstream-kasan-gce 2020/12/25 12:30 upstream 71c5f03154ac b982b3ea .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/25 11:09 upstream 71c5f03154ac b982b3ea .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/25 07:35 upstream 3913d00ac51a c2c1d1dd .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/24 16:41 upstream 58cf05f597b0 c2c1d1dd .config log report info
ci-upstream-kasan-gce 2020/12/24 02:39 upstream 58cf05f597b0 c2c1d1dd .config log report info
ci-upstream-kasan-gce 2020/12/24 00:51 upstream 58cf05f597b0 c2c1d1dd .config log report info
ci-upstream-kasan-gce 2020/12/23 12:18 upstream 614cb5894306 c2c1d1dd .config log report info
ci-upstream-kasan-gce 2020/12/22 23:47 upstream 614cb5894306 04201c06 .config log report info
ci-upstream-kasan-gce 2020/12/22 11:59 upstream 8653b778e454 04201c06 .config log report info
ci-upstream-kasan-gce 2020/12/22 05:52 upstream 8653b778e454 04201c06 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/22 00:46 upstream e37b12e4bb21 04201c06 .config log report info
ci-upstream-kasan-gce 2020/12/20 17:12 upstream 467f8165a2b0 04201c06 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/20 05:13 upstream 467f8165a2b0 04201c06 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/19 19:59 upstream 3644e2d2dda7 04201c06 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/18 20:24 upstream a409ed156a90 04201c06 .config log report info
ci-upstream-kasan-gce 2020/12/18 13:17 upstream d64c6f96ba86 04201c06 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/15 09:28 upstream 148842c98a24 97183ed7 .config log report info
ci-upstream-kasan-gce-386 2020/12/29 23:41 upstream dea8dcf2a9fa 80910769 .config log report info
ci-upstream-kasan-gce-386 2020/12/29 19:52 upstream dea8dcf2a9fa 80910769 .config log report info
ci-upstream-kasan-gce-386 2020/12/21 01:13 upstream 6a447b0e3151 04201c06 .config log report info
ci-upstream-kasan-gce-386 2020/12/20 23:21 upstream 6a447b0e3151 04201c06 .config log report info
ci-qemu-upstream-386 2020/12/08 20:09 upstream cd796ed33450 40cc414d .config log report info
ci-qemu-upstream-386 2020/12/02 17:55 upstream 509a15421674 eff43e99 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/20 02:30 linux-next 0d52778b8710 04201c06 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/20 02:30 linux-next 0d52778b8710 04201c06 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/18 16:36 linux-next 0d52778b8710 04201c06 .config log report info