syzbot


WARNING in io_ring_exit_work

Status: upstream: reported C repro on 2021/03/15 19:08
Reported-by: syzbot+00e15cda746c5bc70e24@syzkaller.appspotmail.com
First crash: 692d, last: 7h25m

Cause bisection: introduced by (bisect log) :
commit 6c2450ae55656f6b0370bfd4cb52ec8a4ecd0916
Author: Pavel Begunkov <asml.silence@gmail.com>
Date: Tue Feb 23 12:40:22 2021 +0000

  io_uring: allocate memory for overflowed CQEs

Crash: WARNING: ODEBUG bug in netdev_run_todo (log)
Repro: C syz .config
Last patch testing requests:
Created Duration User Patch Repo Result
2021/08/06 09:20 18m asml.silence@gmail.com git://git.kernel.dk/linux-block io_uring-5.14 OK

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 64 at io_uring/io_uring.c:2886 io_ring_exit_work+0x324/0xc84 io_uring/io_uring.c:2886
Modules linked in:
CPU: 1 PID: 64 Comm: kworker/u4:4 Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: events_unbound io_ring_exit_work
RIP: 0010:io_ring_exit_work+0x324/0xc84 io_uring/io_uring.c:2886
Code: 40 8c e8 f3 ac ff f7 48 8b 05 ec 31 71 02 31 ff 4c 8b 74 24 10 49 29 c6 4c 89 f6 e8 9a 9e b1 f7 4d 85 f6 79 10 e8 c0 a1 b1 f7 <0f> 0b 48 c7 44 24 08 70 17 00 00 e8 b0 a1 b1 f7 48 8b 74 24 08 48
RSP: 0018:ffffc900015d7bd0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802b8f87f0 RCX: 0000000000000000
RDX: ffff888018900000 RSI: ffffffff89cfc030 RDI: 0000000000000007
RBP: ffff88802b8f8000 R08: 0000000000000007 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88802b8f8040 R14: ffffffffffffffff R15: ffff88802b8f83c8
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd04441e130 CR3: 0000000029dc9000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (3100):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-root 2023/01/26 13:44 upstream 7c46948a6e9c 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce 2023/01/15 15:01 upstream 7c6984405241 a63719e7 .config console log report syz C [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2022/11/20 00:38 upstream fe24a97cf254 5bb70014 .config console log report syz C [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2022/08/13 12:37 upstream 7ebfc85e2cd7 8dfcaa3d .config console log report syz C WARNING in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2022/09/26 07:07 linux-next aaa11ce2ffc8 0042f2b4 .config console log report syz C WARNING in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2022/07/16 14:51 linux-next cb71b93c2dc3 95cb00d1 .config console log report syz C WARNING in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2021/08/06 07:02 linux-next 8d4b477da1a8 d2d6e680 .config console log report syz C WARNING in io_ring_exit_work
ci-upstream-gce-arm64 2023/01/18 03:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9598c377d828 aedf5331 .config console log report syz C [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-gce-arm64 2023/01/15 10:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9598c377d828 a63719e7 .config console log report syz C [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-gce-arm64 2023/01/08 13:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ae87308093bc 1dac8c7a .config console log report syz C [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2023/02/02 06:37 upstream 9f266ccaa2f5 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2023/02/02 03:36 upstream 9f266ccaa2f5 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/02/01 21:31 upstream c0b67534c95c 9a6f477c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2023/02/01 16:25 upstream c0b67534c95c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2023/02/01 14:08 upstream c0b67534c95c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2023/02/01 06:35 upstream 58706f7fb045 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2023/02/01 01:46 upstream 58706f7fb045 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2023/01/31 23:03 upstream 58706f7fb045 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce 2023/01/31 21:18 upstream 22b8077d0fce 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce 2023/01/31 19:50 upstream 22b8077d0fce 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/31 13:45 upstream 6d796c50f84c b68fb8d6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2023/01/31 09:21 upstream 22b8077d0fce 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2023/01/31 07:56 upstream 22b8077d0fce 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2023/01/31 05:43 upstream 22b8077d0fce 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2023/01/30 17:45 upstream 6d796c50f84c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2023/01/30 15:36 upstream 6d796c50f84c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2023/01/30 10:19 upstream ab072681eabe 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2023/01/29 05:45 upstream c96618275234 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/28 18:16 upstream 5af6ce704936 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce 2023/01/28 11:53 upstream 83abd4d4c4be 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce 2023/01/27 16:14 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/27 11:25 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/27 09:58 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/27 06:54 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/26 16:27 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/26 12:52 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/24 09:33 upstream 7bf70dbb1882 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/24 00:14 upstream 7bf70dbb1882 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2023/01/23 01:16 upstream 2475bf0250de 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/22 16:49 upstream 2241ab53cbb5 cc0f9968 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce 2023/01/22 12:44 upstream f67144022885 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2023/01/21 15:57 upstream f883675bf652 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/21 10:18 upstream edc00350d205 cc0f9968 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2023/01/21 08:44 upstream ff83fec8179e 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2023/01/20 23:50 upstream ff83fec8179e 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2023/01/20 08:03 upstream d368967cb103 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2023/01/20 05:56 upstream d368967cb103 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/20 00:27 upstream 081edded9b38 71197f3a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/19 14:28 upstream 7287904c8771 66fca3ae .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce 2023/01/19 06:47 upstream 7287904c8771 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2023/01/19 03:47 upstream 7287904c8771 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/18 20:32 upstream c1649ec55708 4620c2d9 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2023/01/18 17:40 upstream c1649ec55708 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2023/01/18 11:23 upstream c1649ec55708 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-root 2023/01/18 07:30 upstream c1649ec55708 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci2-upstream-fs 2023/01/17 20:27 upstream 6e50979a9c87 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2023/01/17 17:57 upstream 6e50979a9c87 aedf5331 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-qemu-upstream 2023/01/13 15:17 upstream d863f0539b52 529798b0 .config console log report info WARNING in io_ring_exit_work
ci-qemu-upstream-386 2023/01/31 03:26 upstream 22b8077d0fce 7374c4e5 .config console log report info WARNING in io_ring_exit_work
ci-upstream-kasan-gce-386 2023/01/31 00:41 upstream 6d796c50f84c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-qemu-upstream-386 2023/01/30 13:46 upstream 6d796c50f84c 7374c4e5 .config console log report info WARNING in io_ring_exit_work
ci-qemu-upstream-386 2023/01/29 02:10 upstream c96618275234 7374c4e5 .config console log report info WARNING in io_ring_exit_work
ci-upstream-kasan-gce-386 2023/01/28 19:50 upstream 5af6ce704936 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2023/01/31 15:52 linux-next 80bd9028feca 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2023/01/30 20:19 linux-next e2f86c02fdc9 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2023/01/30 10:27 linux-next e2f86c02fdc9 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2023/01/29 07:48 linux-next e2f86c02fdc9 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2023/01/24 05:09 linux-next 691781f561e9 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2021/03/11 18:48 linux-next b01d57bfdc41 c2ca1f2a .config console log report info WARNING in io_ring_exit_work
ci-upstream-gce-arm64 2023/02/01 23:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-gce-arm64 2023/01/28 00:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c62c88e05937 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-gce-arm64 2023/01/21 17:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-gce-arm64 2023/01/21 13:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-upstream-gce-arm64 2023/01/21 12:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in io_ring_exit_work
ci-qemu2-riscv64 2021/06/02 04:02 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 18a3c5f7abfd 032639db .config console log report info WARNING in io_ring_exit_work
* Struck through repros no longer work on HEAD.