kernel BUG in do_journal

Date	Name	Commit	Repro	Result
2025/09/20	linux-6.6.y (ToT)	af1544b5d072	C	[report] kernel BUG in do_journal_end
2025/09/20	upstream (ToT)	3b08f56fbbb9	C	Didn't crash

Date

Name

Commit

Repro

Result

2025/09/20

linux-6.6.y (ToT)

af1544b5d072

[report] kernel BUG in do_journal_end

2025/09/20

upstream (ToT)

3b08f56fbbb9

Didn't crash

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.14	kernel BUG at fs/reiserfs/journal.c:LINE! reiserfs fat	-1	C			79	966d	1849d	0/1	upstream: reported C repro on 2020/09/19 12:55
linux-6.1	kernel BUG in do_journal_end origin:upstream missing-backport	-1	C		done	1891	14d	921d	0/3	upstream: reported C repro on 2023/04/05 08:02
upstream	kernel BUG at fs/reiserfs/journal.c:LINE! fs	-1	C	done	done	1718	634d	2752d	0/29	auto-obsoleted due to no activity on 2024/07/03 05:26
linux-4.19	kernel BUG at fs/reiserfs/journal.c:LINE! reiserfs	-1	C		error	139	961d	1848d	0/1	upstream: reported C repro on 2020/09/21 00:32
linux-5.15	kernel BUG in do_journal_end missing-backport origin:upstream	-1	C		done	858	8d00h	921d	0/3	upstream: reported C repro on 2023/04/05 17:11

REISERFS panic (device loop0): journal-2332 do_journal_end: Trying to log block 531, which is a log block ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5904 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:__reiserfs_panic+0x13e/0x140 fs/reiserfs/prints.c:390 Code: c7 c1 40 90 bc 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 91 bc 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 c0 90 fd 96 e8 12 66 ff ff <0f> 0b 66 0f 1f 00 53 48 89 fb e8 03 2b 22 f7 48 c7 c7 80 99 bc 8a RSP: 0000:ffffc900037a7880 EFLAGS: 00010246 RAX: 0000000000000069 RBX: ffffffff8c7b8419 RCX: aaeed1a9f4351300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900037a7970 R08: ffffc900037a7587 R09: 1ffff920006f4eb0 R10: dffffc0000000000 R11: fffff520006f4eb1 R12: ffffffff8abcdd40 R13: ffffc900037a78a0 R14: ffffffff8abcdd20 R15: ffff888076f10660 FS: 0000555594da8500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0042c4c28 CR3: 0000000025060000 CR4: 00000000003506e0 Call Trace: <TASK> do_journal_end+0x3f66/0x4860 fs/reiserfs/journal.c:4156 reiserfs_sync_fs+0xd0/0x150 fs/reiserfs/super.c:78 sync_filesystem+0xea/0x220 fs/sync.c:56 generic_shutdown_super+0x6f/0x2b0 fs/super.c:666 kill_block_super+0x44/0x90 fs/super.c:1660 deactivate_locked_super+0x97/0x100 fs/super.c:481 cleanup_mnt+0x429/0x4c0 fs/namespace.c:1250 task_work_run+0x1ce/0x250 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb6bbf8fed7 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff07a98068 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fb6bc011c05 RCX: 00007fb6bbf8fed7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff07a98120 RBP: 00007fff07a98120 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff07a991b0 R13: 00007fb6bc011c05 R14: 000000000001755f R15: 00007fff07a991f0 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__reiserfs_panic+0x13e/0x140 fs/reiserfs/prints.c:390 Code: c7 c1 40 90 bc 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 91 bc 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 c0 90 fd 96 e8 12 66 ff ff <0f> 0b 66 0f 1f 00 53 48 89 fb e8 03 2b 22 f7 48 c7 c7 80 99 bc 8a RSP: 0000:ffffc900037a7880 EFLAGS: 00010246 RAX: 0000000000000069 RBX: ffffffff8c7b8419 RCX: aaeed1a9f4351300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900037a7970 R08: ffffc900037a7587 R09: 1ffff920006f4eb0 R10: dffffc0000000000 R11: fffff520006f4eb1 R12: ffffffff8abcdd40 R13: ffffc900037a78a0 R14: ffffffff8abcdd20 R15: ffff888076f10660 FS: 0000555594da8500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdd9f548000 CR3: 0000000025060000 CR4: 00000000003506f0

Crashes (5):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/09/17 08:29	linux-6.6.y	60a9e718726f	e2beed91	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)]	ci2-linux-6-6-kasan	kernel BUG in do_journal_end
2025/09/17 05:42	linux-6.6.y	60a9e718726f	e2beed91	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)]	ci2-linux-6-6-kasan	kernel BUG in do_journal_end
2025/09/17 03:56	linux-6.6.y	60a9e718726f	e2beed91	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)]	ci2-linux-6-6-kasan	kernel BUG in do_journal_end
2025/09/17 01:58	linux-6.6.y	60a9e718726f	e2beed91	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)]	ci2-linux-6-6-kasan	kernel BUG in do_journal_end
2025/09/17 00:41	linux-6.6.y	60a9e718726f	e2beed91	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	kernel BUG in do_journal_end

Crashes (5):

Assets (help?)