WARNING in try_check

Title	Replies (including bot)	Last reply
[syzbot] [kernel?] WARNING in try_check_zero (2)	0 (1)	2024/09/27 20:33

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[syzbot] [kernel?] WARNING in try_check_zero (2)

0 (1)

2024/09/27 20:33

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in try_check_zero (3) bcachefs	syz			2	7d06h	3d13h	0/28	upstream: reported syz repro on 2024/12/22 23:44
upstream	WARNING in try_check_zero kernel				100	183d	219d	0/28	auto-obsoleted due to no activity on 2024/09/04 12:10

------------[ cut here ]------------ Mixed NMI-safe readers for srcu_struct at 0xffffc900037148b8. WARNING: CPU: 1 PID: 5286 at kernel/rcu/srcutree.c:456 srcu_readers_unlock_idx kernel/rcu/srcutree.c:455 [inline] WARNING: CPU: 1 PID: 5286 at kernel/rcu/srcutree.c:456 srcu_readers_active_idx_check kernel/rcu/srcutree.c:468 [inline] WARNING: CPU: 1 PID: 5286 at kernel/rcu/srcutree.c:456 try_check_zero+0x3b1/0x3e0 kernel/rcu/srcutree.c:1083 Modules linked in: CPU: 1 UID: 0 PID: 5286 Comm: kworker/1:5 Not tainted 6.11.0-next-20240927-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: rcu_gp process_srcu RIP: 0010:srcu_readers_unlock_idx kernel/rcu/srcutree.c:455 [inline] RIP: 0010:srcu_readers_active_idx_check kernel/rcu/srcutree.c:468 [inline] RIP: 0010:try_check_zero+0x3b1/0x3e0 kernel/rcu/srcutree.c:1083 Code: 8b 3d b3 1a 19 0d e8 ae f2 48 0a e9 e5 fd ff ff c6 05 9e 22 8c 0e 01 90 48 c7 c7 20 12 0c 8c 48 8b 74 24 18 e8 c0 33 db ff 90 <0f> 0b 90 90 e9 e7 fe ff ff 49 39 cf 0f 94 c0 48 83 c4 30 5b 41 5c RSP: 0018:ffffc9000421fa58 EFLAGS: 00010246 RAX: 860e4f5d8e8ca000 RBX: ffffe8ffffd35720 RCX: ffff88802d52bc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffe8ffffd35718 R08: ffffffff8155d402 R09: fffffbfff1cf9fd8 R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: ffffc900037148c0 R13: 0000000000000002 R14: dffffc0000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002013c030 CR3: 0000000020f7c000 CR4: 00000000003526f0 DR0: 0000000000002800 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: <TASK> srcu_advance_state kernel/rcu/srcutree.c:1691 [inline] process_srcu+0x122/0x1320 kernel/rcu/srcutree.c:1818 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK>

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/09/27 20:25	linux-next	40e0c9d414f5	2b1784d6	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-linux-next-kasan-gce-root	WARNING in try_check_zero

Crashes (1):

Assets (help?)