syzbot


general protection fault in io_issue_sqe
Status: upstream: reported C repro on 2021/09/02 17:34
Reported-by: syzbot+de67aa0cf1053e405871@syzkaller.appspotmail.com
First crash: 44d, last: 10d

Cause bisection: introduced by (bisect log) :
commit a8295b982c46d4a7c259a4cdd58a2681929068a9
Author: Hao Xu <haoxu@linux.alibaba.com>
Date: Fri Aug 27 09:46:09 2021 +0000

  io_uring: fix failed linkchain code logic

Crash: general protection fault in io_issue_sqe (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/09/02 18:47 16m axboe@kernel.dk git://git.kernel.dk/linux-block for-5.15/io_uring OK
2021/09/02 17:36 10m axboe@kernel.dk git://git.kernel.dk/linux-block for-5.15/io_uring report log

Sample crash report:

Crashes (14):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/09/01 08:56 upstream 9c849ce86e0f 7eb7e152 .config log report syz C general protection fault in io_issue_sqe
ci-upstream-kasan-gce-smack-root 2021/09/06 12:22 upstream 0319b848b155 d236a457 .config log report info general protection fault in io_issue_sqe
ci-upstream-kasan-gce 2021/09/05 07:44 upstream 49624efa65ac d236a457 .config log report info general protection fault in io_issue_sqe
ci-upstream-kasan-gce-smack-root 2021/09/02 23:44 upstream 4ac6d90867a4 15cea0a3 .config log report info general protection fault in io_issue_sqe
ci-upstream-kasan-gce 2021/09/01 11:07 upstream 9c849ce86e0f 7eb7e152 .config log report info general protection fault in io_issue_sqe
ci-upstream-kasan-gce 2021/09/01 08:20 upstream 9c849ce86e0f 7eb7e152 .config log report info general protection fault in io_issue_sqe
ci-upstream-kasan-gce-386 2021/09/03 11:46 upstream a9c9a6f741cd f62a5829 .config log report info general protection fault in io_issue_sqe
ci-upstream-kasan-gce-386 2021/09/03 02:47 upstream 4ac6d90867a4 15cea0a3 .config log report info BUG: corrupted list in io_issue_sqe
ci-upstream-kmsan-gce 2021/10/05 02:26 https://github.com/google/kmsan.git master 90f502f5d016 ce697b49 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/09/27 16:54 https://github.com/google/kmsan.git master cd2c05533838 78494d16 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/09/26 10:29 https://github.com/google/kmsan.git master cd2c05533838 8cac236e .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/09/25 14:10 https://github.com/google/kmsan.git master cd2c05533838 8cac236e .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/09/24 23:02 https://github.com/google/kmsan.git master cd2c05533838 8cac236e .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/09/24 21:50 https://github.com/google/kmsan.git master cd2c05533838 8cac236e .config log report info KMSAN: uninit-value in io_issue_sqe