REISERFS panic (device loop9): 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: 9436 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 80 46 9e 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 40 47 9e 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 00 30 d7 96 e8 76 83 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 17 94 73 f7 48 c7 c7 c0 4f 9e 8a
RSP: 0018:ffffc900034c7700 EFLAGS: 00010246
RAX: 0000000000000069 RBX: ffffffff8c5cc0f6 RCX: ff358c794cb92000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900034c77f0 R08: dffffc0000000000 R09: fffff52000698e81
R10: fffff52000698e81 R11: 1ffff92000698e80 R12: ffffffff8a9e94a0
R13: ffffc900034c7720 R14: ffffffff8a9e9480 R15: ffff8880623e86a8
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd94817d000 CR3: 0000000074503000 CR4: 00000000003526e0
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
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0x93e/0x2400 kernel/exit.c:880
 do_group_exit+0x217/0x2d0 kernel/exit.c:1022
 __do_sys_exit_group kernel/exit.c:1033 [inline]
 __se_sys_exit_group kernel/exit.c:1031 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1031
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2bc5b8f749
Code: Unable to access opcode bytes at 0x7f2bc5b8f71f.
RSP: 002b:00007ffc1a279a18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f2bc5c13def RCX: 00007f2bc5b8f749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000010 R08: 00007ffc1a2777b6 R09: 00007ffc1a27acd0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc1a27acd0
R13: 00007f2bc5c13d7d R14: 0000555562f704a8 R15: 00007ffc1a27bda0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 80 46 9e 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 40 47 9e 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 00 30 d7 96 e8 76 83 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 17 94 73 f7 48 c7 c7 c0 4f 9e 8a
RSP: 0018:ffffc900034c7700 EFLAGS: 00010246
RAX: 0000000000000069 RBX: ffffffff8c5cc0f6 RCX: ff358c794cb92000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900034c77f0 R08: dffffc0000000000 R09: fffff52000698e81
R10: fffff52000698e81 R11: 1ffff92000698e80 R12: ffffffff8a9e94a0
R13: ffffc900034c7720 R14: ffffffff8a9e9480 R15: ffff8880623e86a8
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd94817d000 CR3: 0000000074503000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400