WARNING in io_ring_exit

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.1	WARNING in io_ring_exit_work (2)				3	1d19h	2d20h	0/3	upstream: reported on 2024/12/18 15:50
linux-6.1	WARNING in io_ring_exit_work				5	529d	619d	0/3	auto-obsoleted due to no activity on 2023/10/19 11:52
upstream	WARNING in io_ring_exit_work (2) io-uring				177	2d19h	303d	0/28	upstream: reported on 2024/02/22 09:35
upstream	WARNING in io_ring_exit_work io-uring	C	done	done	3550	602d	1376d	0/28	auto-obsoleted due to no activity on 2023/07/28 02:36

------------[ cut here ]------------ WARNING: CPU: 0 PID: 3726 at io_uring/io_uring.c:9696 io_ring_exit_work+0x304/0x1330 Modules linked in: CPU: 0 PID: 3726 Comm: kworker/u4:8 Not tainted 5.15.119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: events_unbound io_ring_exit_work RIP: 0010:io_ring_exit_work+0x304/0x1330 io_uring/io_uring.c:9696 Code: 78 23 e8 1f f8 7d fd 48 8b 7c 24 18 48 8b 74 24 10 e8 c0 02 22 06 48 85 c0 75 29 e8 06 f8 7d fd e9 fe fd ff ff e8 fc f7 7d fd <0f> 0b b8 70 17 00 00 48 89 44 24 10 eb cf e8 e9 f7 7d fd 0f 0b e9 RSP: 0000:ffffc9000508fac0 EFLAGS: 00010293 RAX: ffffffff840208a4 RBX: 0000000100018519 RCX: ffff8880766c3b80 RDX: 0000000000000000 RSI: fffffffffffffff6 RDI: 0000000000000000 RBP: ffffc9000508fc50 R08: ffffffff84020877 R09: ffffed10082db8c1 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8880416dc4a0 R14: 1ffff110082db894 R15: 0000000100018523 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f919007b000 CR3: 000000001b859000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000000d6de DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: <TASK> process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2307 worker_thread+0xaca/0x1280 kernel/workqueue.c:2454 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 </TASK>

Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Assets (help?)	Manager	Title
2023/06/30 18:31	linux-5.15.y	4af60700a60c	af3053d2	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	WARNING in io_ring_exit_work
2023/06/24 22:47	linux-5.15.y	f67653019430	79782afc	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	WARNING in io_ring_exit_work
2023/05/09 20:40	linux-5.15.y	8a7f2a5c5aa1	30aa2a7e	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	WARNING in io_ring_exit_work
2023/07/19 08:41	linux-5.15.y	d54cfc420586	022df2bb	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan-arm64	WARNING in io_ring_exit_work
2023/07/17 05:49	linux-5.15.y	d54cfc420586	35d9ecc5	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan-arm64	WARNING in io_ring_exit_work
2023/04/21 17:38	linux-5.15.y	3299fb36854f	2b32bd34	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan-arm64	WARNING in io_ring_exit_work
2023/04/18 10:39	linux-5.15.y	4fdad925aa1a	436577a9	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan-arm64	WARNING in io_ring_exit_work
2023/04/16 18:54	linux-5.15.y	4fdad925aa1a	ec410564	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan-arm64	WARNING in io_ring_exit_work
2023/04/02 19:47	linux-5.15.y	c957cbb87315	f325deb0	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan-arm64	WARNING in io_ring_exit_work