syzbot


KASAN: use-after-free Read in blk_update_request
Status: upstream: reported C repro on 2020/11/14 11:18
Reported-by: syzbot+a3f809f70c0f239cda46@syzkaller.appspotmail.com
First crash: 260d, last: 18d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: KASAN: use-after-free Read in blk_update_request (log)
Repro: C syz .config

Fix bisection: the fix commit could be any of (bisect log):
  f40ddce88593 Linux 5.11
  f55966571d5e Merge tag 'drm-next-2021-07-08-1' of git://anongit.freedesktop.org/drm/drm
Patch testing requests:
Created Duration User Patch Repo Result
2021/06/30 07:13 20m kael_w@yeah.net linux-next OK

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 2021/02/21 01:28 upstream f40ddce88593 3e5ed8b4 .config log report syz C KASAN: use-after-free Read in blk_update_request
ci-upstream-kasan-gce-smack-root 2021/07/10 01:17 upstream 3dbdb38e2869 8f5a7b8c .config log report info KASAN: use-after-free Read in blk_update_request
ci-upstream-kasan-gce-smack-root 2021/04/09 04:54 upstream 4fa56ad0d12e 6a81331a .config log report info KASAN: use-after-free Read in blk_update_request
ci-upstream-kasan-gce-smack-root 2021/03/27 09:54 upstream 0f4498cef9f5 a8529b82 .config log report info KASAN: use-after-free Read in blk_update_request
ci-upstream-kasan-gce-smack-root 2020/11/10 11:02 upstream 407ab579637c cca87986 .config log report info