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WARNING in journal_end

Status: upstream: reported C repro on 2025/08/30 04:29
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+2a97593e3c765d1e0d4f@syzkaller.appspotmail.com
First crash: 119d, last: 4d03h
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/12/21 linux-6.6.y (ToT) 5fa4793a2d2d C [report] WARNING in journal_end
2025/12/20 upstream (ToT) 91ff28ae6d05 C Didn't crash
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in journal_end reiserfs -1 C 2 1048d 1096d 0/1 upstream: reported C repro on 2022/12/26 21:28
upstream WARNING in journal_end fs -1 C error done 522 698d 1124d 0/29 auto-obsoleted due to no activity on 2024/04/08 04:41
linux-5.15 WARNING in journal_end origin:lts-only -1 C 64 13h22m 988d 0/3 upstream: reported C repro on 2023/04/14 09:59
linux-4.19 WARNING in journal_end reiserfs -1 C error 3 1066d 1097d 0/1 upstream: reported C repro on 2022/12/26 09:51
linux-6.1 WARNING in journal_end origin:upstream missing-backport -1 C done 80 1d16h 997d 0/3 upstream: reported C repro on 2023/04/05 07:47

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8615 at fs/reiserfs/journal.c:3400 journal_end+0x1f1/0x2b0 fs/reiserfs/journal.c:3400
Modules linked in:
CPU: 0 PID: 8615 Comm: syz.2.865 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:journal_end+0x1f1/0x2b0 fs/reiserfs/journal.c:3400
Code: 38 00 00 00 48 89 de e8 6d 46 b6 ff 43 0f b6 04 27 84 c0 0f 85 a7 00 00 00 48 8b 04 24 c7 00 00 00 00 00 eb 30 e8 af d5 5e ff <0f> 0b b8 fb ff ff ff eb 24 e8 a1 d5 5e ff 48 89 df 31 f6 48 83 c4
RSP: 0018:ffffc9000cdaf998 EFLAGS: 00010293
RAX: ffffffff8226bb11 RBX: ffffc9000cdafa60 RCX: ffff888019b69e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc9000cdafa97 R09: 0000000000000000
R10: ffffc9000cdafa60 R11: fffff520019b5f53 R12: ffffc9000cdafa74
R13: 1ffff1100336d60d R14: ffff888019b6b068 R15: 1ffff920019b5f4e
FS:  00007fab723d86c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fd63fff CR3: 0000000022fa8000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 reiserfs_truncate_file+0x385/0x7c0 fs/reiserfs/inode.c:2307
 reiserfs_setattr+0xc0c/0x11a0 fs/reiserfs/inode.c:3392
 notify_change+0xb0d/0xe10 fs/attr.c:499
 do_truncate+0x19b/0x220 fs/open.c:66
 vfs_truncate+0x266/0x300 fs/open.c:112
 do_sys_truncate+0xe0/0x1a0 fs/open.c:135
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fab7158f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fab723d8038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007fab717e5fa0 RCX: 00007fab7158f749
RDX: 0000000000000000 RSI: 00000000003a6000 RDI: 0000200000000080
RBP: 00007fab71613f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fab717e6038 R14: 00007fab717e5fa0 R15: 00007ffed5c35428
 </TASK>

Crashes (23):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/02 20:08 linux-6.6.y 4791134e4aeb d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-6-kasan WARNING in journal_end
2025/09/30 02:58 linux-6.6.y 147338df3487 86341da6 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-6-kasan WARNING in journal_end
2025/09/22 08:48 linux-6.6.y af1544b5d072 67c37560 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1 (corrupt fs)] [mounted in repro #2] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/23 13:25 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/22 08:39 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/19 21:31 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/19 21:30 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/19 21:09 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/19 21:08 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/19 19:01 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/16 00:40 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/12 19:13 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/12/02 17:27 linux-6.6.y 4791134e4aeb d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/11/12 01:06 linux-6.6.y 0a805b6ea8cd 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/10/02 16:43 linux-6.6.y f34f16e5c632 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/09/29 14:40 linux-6.6.y 147338df3487 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/09/26 23:04 linux-6.6.y 147338df3487 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/09/22 06:10 linux-6.6.y af1544b5d072 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/09/22 06:10 linux-6.6.y af1544b5d072 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/09/22 06:01 linux-6.6.y af1544b5d072 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/09/22 06:01 linux-6.6.y af1544b5d072 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/09/22 05:50 linux-6.6.y af1544b5d072 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
2025/08/30 04:29 linux-6.6.y cc1a1c5b404a 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in journal_end
* Struck through repros no longer work on HEAD.