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kernel BUG in do_journal_release

Status: upstream: reported C repro on 2025/07/27 17:48
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+2e74a8aa09597f00683c@syzkaller.appspotmail.com
First crash: 262d, last: 1h00m
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/08/02 linux-6.6.y (ToT) 3a8ababb8b6a C [report] kernel BUG in do_journal_release
2025/08/02 upstream (ToT) 186f3edfdd41 C Didn't crash
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 kernel BUG in do_journal_release missing-backport origin:upstream -1 C done 6058 2h09m 1095d 0/3 upstream: reported C repro on 2023/04/16 13:56
upstream kernel BUG at fs/reiserfs/journal.c:LINE! fs -1 C done done 1718 819d 2937d 0/29 auto-obsoleted due to no activity on 2024/07/03 05:26
linux-6.1 kernel BUG in do_journal_release origin:upstream missing-backport -1 C done 2394 8d17h 1054d 0/3 upstream: reported C repro on 2023/05/27 17:26
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2025/09/10 00:10 2h49m fix candidate upstream OK (0) job log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:1916!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5876 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:do_journal_release+0x53a/0x550 fs/reiserfs/journal.c:1916
Code: b6 ff e9 49 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c b9 fc ff ff 4c 89 ff e8 d0 bd b6 ff e9 ac fc ff ff e8 d6 4d 5f ff <0f> 0b e8 cf 4d 5f ff 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
RSP: 0018:ffffc9000357fb00 EFLAGS: 00010293
RAX: ffffffff82265d2a RBX: ffff88807cbd8000 RCX: ffff88802238bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000357fbf8 R08: ffffc9000357fb77 R09: 0000000000000000
R10: ffffc9000357fb40 R11: fffff520006aff6f R12: ffffc900036b1000
R13: 1ffff920006aff64 R14: ffff88807cbd8630 R15: 0000000000000000
FS:  00005555873a9500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000049018 CR3: 000000001ef24000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 journal_release+0x1f/0x30 fs/reiserfs/journal.c:1971
 reiserfs_put_super+0x222/0x480 fs/reiserfs/super.c:616
 generic_shutdown_super+0x134/0x2b0 fs/super.c:693
 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:1259
 task_work_run+0x1ce/0x250 kernel/task_work.c:245
 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:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa3a4390a77
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:00007fff91b83488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa3a4413d7d RCX: 00007fa3a4390a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff91b83540
RBP: 00007fff91b83540 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff91b845d0
R13: 00007fa3a4413d7d R14: 0000000000014cd1 R15: 00007fff91b84610
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_journal_release+0x53a/0x550 fs/reiserfs/journal.c:1916
Code: b6 ff e9 49 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c b9 fc ff ff 4c 89 ff e8 d0 bd b6 ff e9 ac fc ff ff e8 d6 4d 5f ff <0f> 0b e8 cf 4d 5f ff 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
RSP: 0018:ffffc9000357fb00 EFLAGS: 00010293
RAX: ffffffff82265d2a RBX: ffff88807cbd8000 RCX: ffff88802238bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000357fbf8 R08: ffffc9000357fb77 R09: 0000000000000000
R10: ffffc9000357fb40 R11: fffff520006aff6f R12: ffffc900036b1000
R13: 1ffff920006aff64 R14: ffff88807cbd8630 R15: 0000000000000000
FS:  00005555873a9500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000049018 CR3: 000000001ef24000 CR4: 00000000003506f0

Crashes (2029):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/13 02:48 linux-6.6.y c596736dadab d6526ea3 .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_release
2025/11/05 21:16 linux-6.6.y 0a805b6ea8cd a6c9c731 .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_release
2025/07/27 18:39 linux-6.6.y dbcb8d8e4163 fb8f743d .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_release
2026/04/16 01:19 linux-6.6.y 8cee53b8eaeb df15c5f3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/15 13:30 linux-6.6.y 8cee53b8eaeb c441f497 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/15 00:44 linux-6.6.y 8cee53b8eaeb e2e976a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/15 00:43 linux-6.6.y 8cee53b8eaeb e2e976a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/14 13:09 linux-6.6.y 8cee53b8eaeb 362d1323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/13 23:56 linux-6.6.y 8cee53b8eaeb 1a086e7c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/13 11:37 linux-6.6.y 8cee53b8eaeb 9530ccf9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/12 23:46 linux-6.6.y 8cee53b8eaeb 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/12 22:38 linux-6.6.y 8cee53b8eaeb 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/11 14:18 linux-6.6.y 8cee53b8eaeb 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/11 08:48 linux-6.6.y 80de0a958133 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/11 06:02 linux-6.6.y 80de0a958133 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/11 03:39 linux-6.6.y 80de0a958133 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/09 03:30 linux-6.6.y 80de0a958133 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/08 15:15 linux-6.6.y 80de0a958133 d9b7f621 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/08 05:48 linux-6.6.y 80de0a958133 2c961e87 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/08 05:48 linux-6.6.y 80de0a958133 2c961e87 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/07 11:51 linux-6.6.y 80de0a958133 628666c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/06 11:02 linux-6.6.y 80de0a958133 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/04 20:13 linux-6.6.y c09fbcd31ae6 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/02 23:40 linux-6.6.y c09fbcd31ae6 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/02 11:57 linux-6.6.y c09fbcd31ae6 91bc79b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/02 11:57 linux-6.6.y c09fbcd31ae6 91bc79b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/01 23:12 linux-6.6.y c09fbcd31ae6 0cb124d5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/04/01 10:38 linux-6.6.y c09fbcd31ae6 9a1f7828 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/31 22:35 linux-6.6.y c09fbcd31ae6 fb8b2c26 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/31 09:59 linux-6.6.y c09fbcd31ae6 aeea1c72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/30 21:50 linux-6.6.y c09fbcd31ae6 d0af506e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/30 09:49 linux-6.6.y c09fbcd31ae6 dcaebc52 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/28 14:19 linux-6.6.y c09fbcd31ae6 b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/28 02:58 linux-6.6.y c09fbcd31ae6 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/27 13:26 linux-6.6.y c09fbcd31ae6 74a13a23 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/26 12:07 linux-6.6.y c09fbcd31ae6 766b6434 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/26 12:01 linux-6.6.y c09fbcd31ae6 766b6434 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/25 22:16 linux-6.6.y c09fbcd31ae6 c6143aac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/25 12:43 linux-6.6.y c09fbcd31ae6 8ee77f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/25 12:40 linux-6.6.y c09fbcd31ae6 8ee77f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/25 09:45 linux-6.6.y 4fc00fe35d46 8ee77f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/24 14:33 linux-6.6.y 4fc00fe35d46 74e70d19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/24 06:05 linux-6.6.y 4fc00fe35d46 baf8bf12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/24 01:40 linux-6.6.y 4fc00fe35d46 baf8bf12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/23 12:52 linux-6.6.y 4fc00fe35d46 4933dba2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/22 20:08 linux-6.6.y 4fc00fe35d46 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2026/03/21 04:58 linux-6.6.y 4fc00fe35d46 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
2025/07/27 17:47 linux-6.6.y dbcb8d8e4163 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in do_journal_release
* Struck through repros no longer work on HEAD.