syzbot


general protection fault in __io_queue_sqe
Status: upstream: reported C repro on 2021/08/16 13:29
Reported-by: syzbot+2b85e9379c34945fe38f@syzkaller.appspotmail.com
First crash: 69d, last: 68d

Cause bisection: introduced by (bisect log) :
commit 483fc4e30869f8bd1693aca9cffddb21fb303b32
Author: Pavel Begunkov <asml.silence@gmail.com>
Date: Sun Aug 15 09:40:26 2021 +0000

  io_uring: optimise io_prep_linked_timeout()

Crash: general protection fault in __io_queue_sqe (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/08/16 21:57 16m axboe@kernel.dk git://git.kernel.dk/linux-block 16a390b4109c6eaa65f84e31c2c1d19bcbeb666f OK
2021/08/16 21:49 15m axboe@kernel.dk git://git.kernel.dk/linux-block for-next OK

Sample crash report:

Crashes (11):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/08/16 21:40 linux-next b9011c7e671d 33c26cb7 .config log report syz C general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/17 09:06 linux-next b9011c7e671d 33c26cb7 .config log report info general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/17 08:44 linux-next b9011c7e671d 33c26cb7 .config log report info general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/16 15:56 linux-next b9011c7e671d 33c26cb7 .config log report info general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/16 14:55 linux-next b9011c7e671d 33c26cb7 .config log report info general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/16 14:12 linux-next b9011c7e671d 33c26cb7 .config log report info general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/16 13:28 linux-next b9011c7e671d 33c26cb7 .config log report info general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/16 11:52 linux-next b9011c7e671d 2489ab88 .config log report info general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/16 11:38 linux-next b9011c7e671d 2489ab88 .config log report info general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/16 09:24 linux-next b9011c7e671d 2489ab88 .config log report info general protection fault in __io_queue_sqe
ci-upstream-linux-next-kasan-gce-root 2021/08/16 08:17 linux-next b9011c7e671d 2489ab88 .config log report info general protection fault in __io_queue_sqe