syzbot


possible deadlock in vm_mmap_pgoff
Status: upstream: reported C repro on 2021/04/27 15:18
Reported-by: syzbot+f619f7c0a2a5f87694e6@syzkaller.appspotmail.com
First crash: 391d, last: 19h04m

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: possible deadlock in vm_mmap_pgoff (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 possible deadlock in vm_mmap_pgoff 4 284d 406d 0/1 auto-closed as invalid on 2021/12/02 20:13

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 2022/05/15 17:31 upstream 0cdd776ec92c 8f58a0ef .config log report syz C
ci-upstream-kasan-gce-selinux-root 2022/04/15 17:10 upstream 028192fea1de 8f58a0ef .config log report syz C
ci-upstream-kasan-gce-selinux-root 2022/03/16 16:51 upstream 56e337f2cf13 8f58a0ef .config log report syz C
ci-upstream-kasan-gce-selinux-root 2022/02/14 14:47 upstream 754e0b0e3560 8f58a0ef .config log report syz C
ci-upstream-kasan-gce-selinux-root 2022/01/15 14:23 upstream a33f5c380c4b 8f58a0ef .config log report syz C
ci-upstream-kasan-gce-selinux-root 2021/12/16 14:03 upstream 2b14864acbaa 8f58a0ef .config log report syz C
ci-upstream-kasan-gce-selinux-root 2021/11/16 04:39 upstream 8ab774587903 8f58a0ef .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/08/22 15:37 upstream 9ff50bf2f2ff bc5f1d88 .config log report syz C
Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/08/31 09:40 upstream 7d2a07b76933 8f58a0ef .config log report syz C possible deadlock in vm_mmap_pgoff
ci-upstream-kasan-gce-smack-root 2021/07/23 15:15 upstream 9bead1b58c4c bc5f1d88 .config log report syz C possible deadlock in vm_mmap_pgoff
ci-upstream-kasan-gce-root 2021/10/17 04:18 upstream 304040fb4909 0c5d9412 .config log report info possible deadlock in vm_mmap_pgoff
ci-upstream-kasan-gce-smack-root 2021/09/25 12:16 upstream 7d42e9818258 8cac236e .config log report info possible deadlock in vm_mmap_pgoff
ci-upstream-kasan-gce-smack-root 2021/09/25 08:31 upstream 4c4f0c2bf341 8cac236e .config log report info possible deadlock in vm_mmap_pgoff
ci-upstream-kasan-gce-smack-root 2021/09/24 22:43 upstream 4c4f0c2bf341 8cac236e .config log report info possible deadlock in vm_mmap_pgoff
ci-upstream-kasan-gce-smack-root 2021/09/24 21:29 upstream 4c4f0c2bf341 8cac236e .config log report info possible deadlock in vm_mmap_pgoff
ci-qemu-upstream 2021/04/20 10:31 upstream 7af08140979a c0ced557 .config log report info possible deadlock in vm_mmap_pgoff