syzbot


WARNING in io_ring_ctx_wait_and_kill
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+9c9c35374c0ecac06516@syzkaller.appspotmail.com
Fix commit: 06585c497b55 io_uring: do sqo disable on install_fd error
First crash: 327d, last: 324d

Cause bisection: introduced by (bisect log) :
commit d9d05217cb6990b9a56e13b56e7a1b71e2551f6c
Author: Pavel Begunkov <asml.silence@gmail.com>
Date: Fri Jan 8 20:57:25 2021 +0000

  io_uring: stop SQPOLL submit on creator's death

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

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/01/11 15:38 upstream 7c53f6b671f4 2c1f2513 .config log report syz C
ci-upstream-kasan-gce-root 2021/01/11 23:17 upstream 7c53f6b671f4 2c1f2513 .config log report syz
ci-upstream-kasan-gce-root 2021/01/14 14:09 upstream 65f0d2414b70 269d24e8 .config log report info
ci-upstream-kasan-gce-selinux-root 2021/01/11 17:40 upstream 7c53f6b671f4 2c1f2513 .config log report info
ci-upstream-kasan-gce-root 2021/01/11 17:32 upstream 7c53f6b671f4 2c1f2513 .config log report info
ci-upstream-kasan-gce-root 2021/01/11 13:54 upstream 7c53f6b671f4 2c1f2513 .config log report info
ci-upstream-kasan-gce-root 2021/01/11 12:28 upstream 7c53f6b671f4 2c1f2513 .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/01/12 08:52 linux-next df869cab4b35 2c1f2513 .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/01/12 06:31 linux-next df869cab4b35 2c1f2513 .config log report info