syzbot


BUG: unable to handle kernel NULL pointer dereference in hide_cursor
Status: upstream: reported C repro on 2021/03/04 20:16
Reported-by: syzbot+e28df1dcd2038f11d0f1@syzkaller.appspotmail.com
First crash: 157d, last: 79d

Cause bisection: introduced by (bisect log) [no-op commit]:
commit 97e3afd64dc2918f79026986c575f3343197e7c8
Author: Maxim Mikityanskiy <maximmi@mellanox.com>
Date: Thu Jul 9 11:05:31 2020 +0000

  net/mlx5e: Unify constants for WQE_EMPTY_DS_COUNT

Crash: SYZFAIL: wrong response packet (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) [merge commit]:
commit 454859c552da78b0f587205d308401922b56863e
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed Apr 7 20:21:21 2021 +0000

  Merge tag 'arc-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Patch testing requests:
Created Duration User Patch Repo Result
2021/03/31 06:59 32m h.shahbazi.git@gmail.com patch upstream OK
2021/03/30 22:34 0m h.shahbazi@tuta.io patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5695e516 error
2021/03/12 15:36 12m ducheng2@gmail.com patch upstream report log
2021/03/11 19:59 16m yildirim.fatih@gmail.com upstream report log

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/02/28 21:15 upstream 5695e5161974 4c37c133 .config log report syz C BUG: unable to handle kernel NULL pointer dereference in hide_cursor
ci-upstream-kasan-gce-smack-root 2021/03/27 14:02 upstream 0f4498cef9f5 a8529b82 .config log report info BUG: unable to handle kernel NULL pointer dereference in hide_cursor
ci-upstream-kasan-gce-smack-root 2021/02/28 20:09 upstream 5695e5161974 4c37c133 .config log report info BUG: unable to handle kernel NULL pointer dereference in hide_cursor
ci-qemu2-arm32 2021/05/18 15:07 upstream bf152b0b41dc a343ba6b .config log report info BUG: unable to handle kernel NULL pointer dereference in hide_cursor
ci-qemu2-arm32 2021/03/22 08:01 upstream bf152b0b41dc bea32f74 .config log report info BUG: unable to handle kernel NULL pointer dereference in hide_cursor