syzbot


WARNING in emulate_vsyscall
Status: upstream: reported C repro on 2021/03/29 16:23
Reported-by: syzbot+2698183e871d8a137f9d@syzkaller.appspotmail.com
First crash: 25d, last: 10h34m

Cause bisection: introduced by (bisect log) :
commit 5042d40a264c8a508d58ed71e4c07b05175b3635
Author: Andy Lutomirski <luto@kernel.org>
Date: Wed Feb 10 02:33:42 2021 +0000

  x86/fault: Bypass no_context() for implicit kernel faults from usermode

Crash: WARNING in emulate_vsyscall (log)
Repro: C syz .config

Sample crash report:

Crashes (29):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/03/28 19:05 upstream 0f4498ce a8529b82 .config log report syz C WARNING in emulate_vsyscall
ci-upstream-linux-next-kasan-gce-root 2021/03/28 19:08 linux-next 93129492 a8529b82 .config log report syz C WARNING in emulate_vsyscall
ci-upstream-kasan-gce-smack-root 2021/04/22 18:00 upstream 16fc44d6 33c28d03 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-selinux-root 2021/04/16 08:52 upstream 7e25f40e c59079a6 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce 2021/04/16 08:33 upstream 7e25f40e c59079a6 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-smack-root 2021/04/16 08:22 upstream 7e25f40e c59079a6 .config log report info WARNING in emulate_vsyscall
ci-qemu-upstream 2021/04/16 08:16 upstream 7e25f40e c59079a6 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-root 2021/04/16 08:16 upstream 7e25f40e c59079a6 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-smack-root 2021/04/13 07:52 upstream 89698bec bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-selinux-root 2021/04/13 07:14 upstream 89698bec bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-selinux-root 2021/04/12 09:56 upstream 7d900724 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-root 2021/04/12 09:56 upstream 7d900724 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-smack-root 2021/04/12 09:54 upstream 7d900724 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce 2021/04/12 09:54 upstream 7d900724 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce 2021/04/12 09:54 upstream 7d900724 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-smack-root 2021/04/11 06:56 upstream 52e44129 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce 2021/04/11 06:54 upstream 52e44129 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-root 2021/04/11 06:49 upstream 52e44129 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce 2021/04/03 01:05 upstream 1678e493 6a81331a .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-selinux-root 2021/03/29 05:47 upstream 81b1d39f a8529b82 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-smack-root 2021/03/29 04:56 upstream 36a14638 a8529b82 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-root 2021/03/29 04:41 upstream 81b1d39f a8529b82 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce 2021/03/28 23:32 upstream 81b1d39f a8529b82 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce-root 2021/03/28 19:07 upstream 0f4498ce a8529b82 .config log report info WARNING in emulate_vsyscall
ci-upstream-kasan-gce 2021/03/28 18:38 upstream 0f4498ce a8529b82 .config log report info WARNING in emulate_vsyscall
ci-upstream-linux-next-kasan-gce-root 2021/04/12 09:59 linux-next e99d8a84 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-linux-next-kasan-gce-root 2021/04/11 06:44 linux-next e99d8a84 bfeda1b1 .config log report info WARNING in emulate_vsyscall
ci-upstream-linux-next-kasan-gce-root 2021/04/03 01:07 linux-next 454c576c 6a81331a .config log report info WARNING in emulate_vsyscall
ci-upstream-linux-next-kasan-gce-root 2021/03/28 18:42 linux-next 93129492 a8529b82 .config log report info WARNING in emulate_vsyscall