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: 148d, last: 60d

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

Fix bisection: fixed by (bisect log) [no-op commit]:
commit 9af9dcf11bda3e2c0e24c1acaacb8685ad974e93
Author: Peter Zijlstra <peterz@infradead.org>
Date: Thu Jun 24 09:41:00 2021 +0000

  x86/xen: Mark cpu_bringup_and_idle() as dead_end_function

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 (38):
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 2021/11/28 23:08 https://github.com/google/kmsan.git master a535b0caaa2f 63eeac02 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/28 06:17 https://github.com/google/kmsan.git master a535b0caaa2f 63eeac02 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/28 05:24 https://github.com/google/kmsan.git master a535b0caaa2f 63eeac02 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/28 02:56 https://github.com/google/kmsan.git master a535b0caaa2f 63eeac02 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/26 19:52 https://github.com/google/kmsan.git master a535b0caaa2f 63eeac02 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/22 06:16 https://github.com/google/kmsan.git master 425295055ce6 4eb20a4e .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/18 06:53 https://github.com/google/kmsan.git master 6a4b0eb32d37 cafff8b6 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/18 02:53 https://github.com/google/kmsan.git master 6a4b0eb32d37 cafff8b6 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/17 08:41 https://github.com/google/kmsan.git master beecc58f3c53 cafff8b6 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/15 21:10 https://github.com/google/kmsan.git master 386004877847 83f5c9b5 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/09 07:23 https://github.com/google/kmsan.git master a3e5c559028e 8ab17e57 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/06 09:38 https://github.com/google/kmsan.git master a3e5c559028e 4c1be0be .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/11/04 22:11 https://github.com/google/kmsan.git master a3e5c559028e 4c1be0be .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/10/30 09:30 https://github.com/google/kmsan.git master 59bd88c25ffc 098b5d53 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/10/25 07:33 https://github.com/google/kmsan.git master 82e66ad2e586 4f0000ee .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/10/19 11:45 https://github.com/google/kmsan.git master d6493d2046c4 24dc29db .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/10/19 11:25 https://github.com/google/kmsan.git master d6493d2046c4 24dc29db .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/10/19 11:22 https://github.com/google/kmsan.git master d6493d2046c4 24dc29db .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/10/19 11:20 https://github.com/google/kmsan.git master d6493d2046c4 24dc29db .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce 2021/10/19 11:20 https://github.com/google/kmsan.git master d6493d2046c4 24dc29db .config log report info KMSAN: uninit-value 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
ci-upstream-kmsan-gce-386 2021/11/27 17:49 https://github.com/google/kmsan.git master a535b0caaa2f 63eeac02 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce-386 2021/11/23 18:44 https://github.com/google/kmsan.git master 7ca3114e5a48 545ab074 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce-386 2021/10/31 07:45 https://github.com/google/kmsan.git master 59bd88c25ffc 098b5d53 .config log report info KMSAN: uninit-value in io_issue_sqe
ci-upstream-kmsan-gce-386 2021/10/31 07:45 https://github.com/google/kmsan.git master 59bd88c25ffc 098b5d53 .config log report info KMSAN: uninit-value in io_issue_sqe