WARNING: ODEBUG bug in nilfs_detach_log

Title	Replies (including bot)	Last reply
[PATCH] nilfs2: Avoid having an active sc_timer before freeing sci	1 (1)	2025/10/29 22:51
[PATCH] nilfs2: Avoid having an active sc_timer before freeing sci	2 (2)	2025/10/29 10:17
[syzbot] [nilfs?] WARNING: ODEBUG bug in nilfs_detach_log_writer (2)	5 (9)	2025/10/29 04:24

Title

Replies (including bot)

Last reply

[PATCH] nilfs2: Avoid having an active sc_timer before freeing sci

1 (1)

2025/10/29 22:51

[PATCH] nilfs2: Avoid having an active sc_timer before freeing sci

2 (2)

2025/10/29 10:17

[syzbot] [nilfs?] WARNING: ODEBUG bug in nilfs_detach_log_writer (2)

5 (9)

2025/10/29 04:24

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING: ODEBUG bug in nilfs_detach_log_writer nilfs	-1				1	403d	395d	0/29	auto-obsoleted due to no activity on 2025/01/12 07:22

Rank 🛈

upstream

WARNING: ODEBUG bug in nilfs_detach_log_writer nilfs

-1

403d

395d

0/29

auto-obsoleted due to no activity on 2025/01/12 07:22


Created	Duration	User	Patch	Repo	Result
2025/10/29 03:06	1h16m	eadavis@qq.com	patch	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	OK log
2025/10/28 07:45	19m	eadavis@qq.com	patch	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	report log
2025/10/28 05:16	29m	eadavis@qq.com	patch	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	report log
2025/10/28 03:27	31m	eadavis@qq.com	patch	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	OK log

------------[ cut here ]------------ ODEBUG: free active (active state 0) object: 00000000dacb411a object type: timer_list hint: __ll_sc_atomic64_andnot arch/arm64/include/asm/atomic_ll_sc.h:-1 [inline] ODEBUG: free active (active state 0) object: 00000000dacb411a object type: timer_list hint: arch_atomic64_andnot arch/arm64/include/asm/atomic.h:64 [inline] ODEBUG: free active (active state 0) object: 00000000dacb411a object type: timer_list hint: raw_atomic64_andnot include/linux/atomic/atomic-arch-fallback.h:3675 [inline] ODEBUG: free active (active state 0) object: 00000000dacb411a object type: timer_list hint: raw_atomic_long_andnot include/linux/atomic/atomic-long.h:964 [inline] ODEBUG: free active (active state 0) object: 00000000dacb411a object type: timer_list hint: arch_clear_bit include/asm-generic/bitops/atomic.h:25 [inline] ODEBUG: free active (active state 0) object: 00000000dacb411a object type: timer_list hint: clear_bit include/asm-generic/bitops/instrumented-atomic.h:42 [inline] ODEBUG: free active (active state 0) object: 00000000dacb411a object type: timer_list hint: clear_nilfs_purging fs/nilfs2/the_nilfs.h:206 [inline] ODEBUG: free active (active state 0) object: 00000000dacb411a object type: timer_list hint: nilfs_construction_timeout+0x0/0x50 fs/nilfs2/segment.c:2893 WARNING: CPU: 0 PID: 6673 at lib/debugobjects.c:615 debug_print_object lib/debugobjects.c:612 [inline] WARNING: CPU: 0 PID: 6673 at lib/debugobjects.c:615 __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline] WARNING: CPU: 0 PID: 6673 at lib/debugobjects.c:615 debug_check_no_obj_freed+0x390/0x470 lib/debugobjects.c:1129 Modules linked in: CPU: 0 UID: 0 PID: 6673 Comm: syz-executor Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:612 [inline] pc : __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline] pc : debug_check_no_obj_freed+0x390/0x470 lib/debugobjects.c:1129 lr : debug_print_object lib/debugobjects.c:612 [inline] lr : __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline] lr : debug_check_no_obj_freed+0x390/0x470 lib/debugobjects.c:1129 sp : ffff8000a1547910 x29: ffff8000a1547950 x28: ffff0000cf608400 x27: 0000000000000000 x26: ffff80008aed7f20 x25: ffff0000cf608270 x24: ffff800082080a4c x23: ffff0000d8cabfc0 x22: ffff0000cf608000 x21: dfff800000000000 x20: 0000000000000000 x19: ffff0000cf608000 x18: 00000000ffffffff x17: 626f206131313462 x16: ffff800082de9540 x15: 0000000000000001 x14: 1fffe000337db6fa x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000337db6fb x10: 0000000000ff0100 x9 : c941407f25652900 x8 : c941407f25652900 x7 : ffff8000805638d4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d4f2c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: debug_print_object lib/debugobjects.c:612 [inline] (P) __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline] (P) debug_check_no_obj_freed+0x390/0x470 lib/debugobjects.c:1129 (P) slab_free_hook mm/slub.c:2454 [inline] slab_free mm/slub.c:6611 [inline] kfree+0x120/0x600 mm/slub.c:6818 nilfs_segctor_destroy fs/nilfs2/segment.c:2811 [inline] nilfs_detach_log_writer+0x668/0x8cc fs/nilfs2/segment.c:2877 nilfs_put_super+0x4c/0x12c fs/nilfs2/super.c:509 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1722 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:747 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 136662 hardirqs last enabled at (136661): [<ffff800080559f90>] vprintk_store+0x898/0xac8 kernel/printk/printk.c:2329 hardirqs last disabled at (136662): [<ffff80008ade9670>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (136170): [<ffff8000801f95fc>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (136168): [<ffff8000801f95c8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer

Crashes (4):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/10/25 09:50	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	b98c94eed4a9	c0460fcd	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-arm64	WARNING: ODEBUG bug in nilfs_detach_log_writer
2025/10/25 02:36	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	b98c94eed4a9	c0460fcd	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-arm64	WARNING: ODEBUG bug in nilfs_detach_log_writer
2025/10/25 06:29	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	b98c94eed4a9	c0460fcd	.config	console log	report	syz / log			[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-arm64	WARNING: ODEBUG bug in nilfs_detach_log_writer
2025/10/25 00:45	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	b98c94eed4a9	c0460fcd	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-gce-arm64	WARNING: ODEBUG bug in nilfs_detach_log_writer

Crashes (4):

Assets (help?)