REISERFS panic (device loop6): journal-003 check_journal_end: j_start (12) is too high
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kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4460 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__reiserfs_panic+0x167/0x170 fs/reiserfs/prints.c:390
Code: a0 5b 3b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 60 5c 3b 8a 4c 89 fe 4c 89 f2 4c 8b 44 24 10 49 c7 c1 20 ee 3f 96 e8 79 4e ff ff <0f> 0b 0f 1f 80 00 00 00 00 53 48 89 fb e8 d7 ee c6 f7 48 c7 c7 20
RSP: 0018:ffffc9000336f980 EFLAGS: 00010246
RAX: 0000000000000056 RBX: 1ffff9200066df34 RCX: 9892a7b108a46e00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000336faa0 R08: ffff8880b9033d7f R09: 1ffff110172067af
R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffffc9000336f9c0
R13: dffffc0000000000 R14: ffffffff8a3ba8c0 R15: ffff888023fb06a8
FS:  0000555586a92500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f061f435800 CR3: 00000000585db000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 check_journal_end fs/reiserfs/journal.c:3715 [inline]
 do_journal_end+0x3c97/0x42d0 fs/reiserfs/journal.c:4040
 reiserfs_sync_fs+0xe9/0x170 fs/reiserfs/super.c:78
 sync_filesystem+0x1be/0x220 fs/sync.c:66
 generic_shutdown_super+0x6b/0x300 fs/super.c:448
 kill_block_super+0x7c/0xe0 fs/super.c:1427
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x42d/0x4e0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f26c73eb897
Code: a2 c7 05 5c ee 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffdca6c0188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f26c747fef0 RCX: 00007f26c73eb897
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdca6c0240
RBP: 00007ffdca6c0240 R08: 00007ffdca6c1240 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdca6c12d0
R13: 00007f26c747fef0 R14: 0000000000031d41 R15: 00007ffdca6c1310
 </TASK>
Modules linked in:
---[ end trace fbcbfdd1ca3d35e1 ]---
RIP: 0010:__reiserfs_panic+0x167/0x170 fs/reiserfs/prints.c:390
Code: a0 5b 3b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 60 5c 3b 8a 4c 89 fe 4c 89 f2 4c 8b 44 24 10 49 c7 c1 20 ee 3f 96 e8 79 4e ff ff <0f> 0b 0f 1f 80 00 00 00 00 53 48 89 fb e8 d7 ee c6 f7 48 c7 c7 20
RSP: 0018:ffffc9000336f980 EFLAGS: 00010246
RAX: 0000000000000056 RBX: 1ffff9200066df34 RCX: 9892a7b108a46e00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000336faa0 R08: ffff8880b9033d7f R09: 1ffff110172067af
R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffffc9000336f9c0
R13: dffffc0000000000 R14: ffffffff8a3ba8c0 R15: ffff888023fb06a8
FS:  0000555586a92500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000a000 CR3: 00000000585db000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400