syzbot


BUG: unable to handle kernel NULL pointer dereference in corrupted (5)
Status: upstream: reported C repro on 2020/03/14 06:37
Reported-by: syzbot+8b0e78e390d1715b0f4e@syzkaller.appspotmail.com
First crash: 587d, last: 577d

Cause bisection: introduced by (bisect log) :
commit 271213ef4d0d3a3b80d4cf95c5f2bebb5643e666
Author: Takashi Iwai <tiwai@suse.de>
Date: Tue Dec 10 06:34:50 2019 +0000

  ALSA: pcxhr: Support PCM sync_stop

Crash: KASAN: vmalloc-out-of-bounds Read in srcu_invoke_callbacks (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 BUG: unable to handle kernel NULL pointer dereference in corrupted C 81 6d13h 315d 0/1 upstream: reported C repro on 2020/12/07 19:36
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in corrupted C done 6 146d 728d 1/1 fixed on 2021/06/24 20:09
upstream BUG: unable to handle kernel NULL pointer dereference in corrupted (4) syz done done 1 846d 846d 13/22 fixed on 2019/08/27 17:15
upstream BUG: unable to handle kernel NULL pointer dereference in corrupted (3) C 1 1015d 1015d 12/22 fixed on 2019/03/06 07:43
linux-4.14 BUG: unable to handle kernel NULL pointer dereference in corrupted C inconclusive 3 494d 735d 0/1 upstream: reported C repro on 2019/10/14 10:06
upstream BUG: unable to handle kernel NULL pointer dereference in corrupted (2) C 1 1188d 1188d 9/22 fixed on 2018/08/07 13:43
upstream BUG: unable to handle kernel NULL pointer dereference in corrupted C 5 1228d 1228d 9/22 fixed on 2018/07/09 18:05

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/03/20 09:58 upstream cd607737f3b8 2c31c529 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/03/20 01:55 upstream cd607737f3b8 2c31c529 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/03/10 06:26 upstream 30bb5572ce7a 35f53e45 .config log report syz C