kernel BUG in __ocfs2_flush_truncate

Date	Name	Commit	Repro	Result
2025/03/27	upstream (ToT)	1a9239bb4253	C	[report] unregister_netdevice: waiting for DEV to become free

Date

Name

Commit

Repro

Result

2025/03/27

upstream (ToT)

1a9239bb4253

[report] unregister_netdevice: waiting for DEV to become free

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.6	kernel BUG in __ocfs2_flush_truncate_log	-1				2	26d	29d	0/2	upstream: reported on 2025/07/07 06:01
linux-5.15	kernel BUG in __ocfs2_flush_truncate_log origin:upstream	-1	C			97	11h10m	324d	0/3	upstream: reported C repro on 2024/09/15 06:10

------------[ cut here ]------------ kernel BUG at fs/ocfs2/alloc.c:6004! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4317 Comm: syz-executor357 Not tainted 6.1.131-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __ocfs2_flush_truncate_log+0x102c/0x1260 fs/ocfs2/alloc.c:6004 lr : __ocfs2_flush_truncate_log+0x102c/0x1260 fs/ocfs2/alloc.c:6004 sp : ffff800021287560 x29: ffff800021287760 x28: 1fffe0001a1481e5 x27: dfff800000000000 x26: ffff700004250ec4 x25: ffff0000e6b64400 x24: ffff0000ea5d16b8 x23: ffff0000d0a40f20 x22: ffff0000d0a40f28 x21: 00000000ffffffff x20: ffff0000d0a40000 x19: ffff0000e3ec0a00 x18: 1fffe0003679c776 x17: ffff800015afd000 x16: ffff8000122dd0e4 x15: ffff0001b3ce3bbc x14: 1ffff00002b600b2 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800009eda11c x8 : ffff0000d4fd8000 x7 : ffff800009edb0f0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082fd590 x2 : 0000000000000001 x1 : 00000000ffffffff x0 : 0000000000000000 Call trace: __ocfs2_flush_truncate_log+0x102c/0x1260 fs/ocfs2/alloc.c:6004 ocfs2_flush_truncate_log+0x4c/0x6c fs/ocfs2/alloc.c:6069 ocfs2_sync_fs+0x110/0x31c fs/ocfs2/super.c:402 sync_filesystem+0x1a0/0x218 fs/sync.c:66 generic_shutdown_super+0x70/0x328 fs/super.c:474 kill_block_super+0x70/0xdc fs/super.c:1470 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 17fffeec 97986abb d4210000 97986ab9 (d4210000) ---[ end trace 0000000000000000 ]---

Crashes (5):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/03/26 01:16	linux-6.1.y	344a09659766	875573af	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)]	ci2-linux-6-1-kasan-arm64	kernel BUG in __ocfs2_flush_truncate_log
2025/03/25 12:02	linux-6.1.y	344a09659766	875573af	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)]	ci2-linux-6-1-kasan-arm64	kernel BUG in __ocfs2_flush_truncate_log
2025/06/23 06:13	linux-6.1.y	58485ff1a74f	d6cdfb8a	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan	kernel BUG in __ocfs2_flush_truncate_log
2025/06/23 06:12	linux-6.1.y	58485ff1a74f	d6cdfb8a	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan	kernel BUG in __ocfs2_flush_truncate_log
2025/03/24 18:55	linux-6.1.y	344a09659766	875573af	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-arm64	kernel BUG in __ocfs2_flush_truncate_log

Crashes (5):

Assets (help?)