syzbot


KASAN: null-ptr-deref Write in queue_work_on
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+017e491ae13c0068598a@syzkaller.appspotmail.com
Fix commit: 0ace17d56824 can, slip: Protect tty->disc_data in write_wakeup and close with RCU
First crash: 840d, last: 839d

Cause bisection: the cause commit could be any of (bisect log):
  569dbb88e80d Linux 4.13
   that is not the commit

Fix bisection: failed (bisect 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 2019/08/18 00:07 upstream 6e625a1a3f47 55bf8926 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/08/17 23:02 upstream 6e625a1a3f47 55bf8926 .config log report syz C
ci-upstream-kasan-gce-root 2019/08/17 22:25 upstream 6e625a1a3f47 55bf8926 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/08/18 03:16 linux-next 0c3d3d648b3e 55bf8926 .config log report syz C
ci-upstream-kasan-gce-root 2019/08/17 21:58 upstream 6e625a1a3f47 55bf8926 .config log report