WARNING in check_flush_dependency (2)

Date	Name	Commit	Repro	Result
2025/01/06	upstream (ToT)	fbfd64d25c7a	C	[report] possible deadlock in console_flush_all

Date

Name

Commit

Repro

Result

2025/01/06

upstream (ToT)

fbfd64d25c7a

[report] possible deadlock in console_flush_all

Kernel	Title	Repro	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.1	WARNING in check_flush_dependency			2	203d	203d	0/3	auto-obsoleted due to no activity on 2024/09/28 08:40
linux-5.15	WARNING in check_flush_dependency origin:upstream	C	error	3	15d	203d	0/3	upstream: reported C repro on 2024/06/20 05:34
upstream	WARNING in check_flush_dependency (2) hfs			1	639d	635d	0/28	auto-obsoleted due to no activity on 2023/08/09 09:29
upstream	WARNING in check_flush_dependency wireless	C		2205	2511d	2543d	4/28	fixed on 2018/02/26 20:04
upstream	WARNING in check_flush_dependency (3) hfs			1	9d18h	5d18h	0/28	upstream: reported on 2025/01/04 02:25

------------[ cut here ]------------ workqueue: WQ_MEM_RECLAIM dio/loop0:dio_aio_complete_work is flushing !WQ_MEM_RECLAIM events_long:flush_mdb WARNING: CPU: 1 PID: 126 at kernel/workqueue.c:2635 check_flush_dependency+0x2a6/0x340 kernel/workqueue.c:2631 Modules linked in: CPU: 1 PID: 126 Comm: kworker/1:2 Not tainted 6.1.123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: dio/loop0 dio_aio_complete_work RIP: 0010:check_flush_dependency+0x2a6/0x340 kernel/workqueue.c:2631 Code: 08 4c 89 e7 e8 0b 53 88 00 49 8b 14 24 49 81 c7 60 01 00 00 48 c7 c7 80 43 0b 8b 4c 89 ee 4c 89 f9 4c 8b 04 24 e8 9a d8 f8 ff <0f> 0b eb 9f 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c b1 fd ff ff 48 89 RSP: 0018:ffffc90002d97900 EFLAGS: 00010046 RAX: 03d8b822c87ddc00 RBX: ffff8880288761c0 RCX: ffff88801bb00000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000008 R08: ffffffff8152b84e R09: ffffed10171e4f1c R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801bb74418 R13: ffff888028876160 R14: dffffc0000000000 R15: ffff888017c71160 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200d2000 CR3: 000000002661f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> start_flush_work kernel/workqueue.c:3035 [inline] __flush_work+0x2c7/0xad0 kernel/workqueue.c:3075 flush_work kernel/workqueue.c:3097 [inline] flush_delayed_work+0x14b/0x1a0 kernel/workqueue.c:3221 hfs_file_fsync+0xe9/0x140 fs/hfs/inode.c:686 generic_write_sync include/linux/fs.h:2962 [inline] dio_complete+0x66e/0x7b0 fs/direct-io.c:309 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK>

Crashes (5):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/01/04 20:42	linux-6.1.y	7dc732d24ff7	f3558dbf	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-6-1-kasan	WARNING in check_flush_dependency
2025/01/04 19:30	linux-6.1.y	7dc732d24ff7	f3558dbf	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-6-1-kasan	WARNING in check_flush_dependency
2025/01/04 19:57	linux-6.1.y	7dc732d24ff7	f3558dbf	.config	console log	report	syz / log			[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-6-1-kasan	WARNING in check_flush_dependency
2025/01/07 15:38	linux-6.1.y	7dc732d24ff7	f3558dbf	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan	WARNING in check_flush_dependency
2025/01/04 18:53	linux-6.1.y	7dc732d24ff7	f3558dbf	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan	WARNING in check_flush_dependency

Crashes (5):

Assets (help?)