REISERFS panic (device loop2): journal-2332 do_journal_end: Trying to log block 531, which is a log block
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kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4276 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 c0 46 7e 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 80 47 7e 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 00 90 b5 96 e8 76 83 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 27 fd 7a f7 48 c7 c7 00 50 7e 8a
RSP: 0018:ffffc90004087860 EFLAGS: 00010246
RAX: 0000000000000069 RBX: ffffffff8c3c0261 RCX: 42f6af2b38965400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90004087950 R08: dffffc0000000000 R09: fffff52000810ead
R10: fffff52000810ead R11: 1ffff92000810eac R12: ffffffff8a7e94e0
R13: ffffc90004087880 R14: ffffffff8a7e94c0 R15: ffff88803015e6a8
FS:  00005555594a0500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa449651767 CR3: 000000005c29c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_journal_end+0x3e49/0x4790 fs/reiserfs/journal.c:4153
 reiserfs_sync_fs+0xcc/0x150 fs/reiserfs/super.c:78
 sync_filesystem+0xe6/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x340 fs/super.c:474
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x463/0x4f0 fs/namespace.c:1191
 task_work_run+0x1ca/0x250 kernel/task_work.c:203
 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+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa4cc590a77
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:00007ffe1d0ebc48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa4cc613d7d RCX: 00007fa4cc590a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1d0ebd00
RBP: 00007ffe1d0ebd00 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe1d0ecd90
R13: 00007fa4cc613d7d R14: 00000000000424c7 R15: 00007ffe1d0ecdd0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 c0 46 7e 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 80 47 7e 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 00 90 b5 96 e8 76 83 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 27 fd 7a f7 48 c7 c7 00 50 7e 8a
RSP: 0018:ffffc90004087860 EFLAGS: 00010246
RAX: 0000000000000069 RBX: ffffffff8c3c0261 RCX: 42f6af2b38965400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90004087950 R08: dffffc0000000000 R09: fffff52000810ead
R10: fffff52000810ead R11: 1ffff92000810eac R12: ffffffff8a7e94e0
R13: ffffc90004087880 R14: ffffffff8a7e94c0 R15: ffff88803015e6a8
FS:  00005555594a0500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa44a4e1d58 CR3: 000000005c29c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400