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: 6295 Comm: syz.1.95 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__reiserfs_panic+0x13e/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 40 90 bc 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 91 bc 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 c0 90 fd 96 e8 12 66 ff ff <0f> 0b 66 0f 1f 00 53 48 89 fb e8 03 2b 22 f7 48 c7 c7 80 99 bc 8a
RSP: 0018:ffffc9000c4ef9e0 EFLAGS: 00010246
RAX: 0000000000000069 RBX: ffffffff8c7b8419 RCX: 2c725d2b42a92600
RDX: ffffc9000d825000 RSI: 000000000001364a RDI: 000000000001364b
RBP: ffffc9000c4efad0 R08: ffffc9000c4ef6e7 R09: 1ffff9200189dedc
R10: dffffc0000000000 R11: fffff5200189dedd R12: ffffffff8abcdd40
R13: ffffc9000c4efa00 R14: ffffffff8abcdd20 R15: ffff88805bc4c660
FS:  00007f104bac06c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e22421c CR3: 0000000030c26000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 do_journal_end+0x3f66/0x4860 fs/reiserfs/journal.c:4156
 reiserfs_sync_fs+0xd0/0x150 fs/reiserfs/super.c:78
 iterate_supers+0xb2/0x170 fs/super.c:979
 ksys_sync+0xa4/0x150 fs/sync.c:103
 __ia32_sys_sync+0xe/0x20 fs/sync.c:113
 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: 0033:0x7f104ab8eba9
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:00007f104bac0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f104add5fa0 RCX: 00007f104ab8eba9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f104add5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f104add6038 R14: 00007f104add5fa0 R15: 00007fffc987e3e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0x13e/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 40 90 bc 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 91 bc 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 c0 90 fd 96 e8 12 66 ff ff <0f> 0b 66 0f 1f 00 53 48 89 fb e8 03 2b 22 f7 48 c7 c7 80 99 bc 8a
RSP: 0018:ffffc9000c4ef9e0 EFLAGS: 00010246
RAX: 0000000000000069 RBX: ffffffff8c7b8419 RCX: 2c725d2b42a92600
RDX: ffffc9000d825000 RSI: 000000000001364a RDI: 000000000001364b
RBP: ffffc9000c4efad0 R08: ffffc9000c4ef6e7 R09: 1ffff9200189dedc
R10: dffffc0000000000 R11: fffff5200189dedd R12: ffffffff8abcdd40
R13: ffffc9000c4efa00 R14: ffffffff8abcdd20 R15: ffff88805bc4c660
FS:  00007f104bac06c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fceef3c9f98 CR3: 0000000030c26000 CR4: 00000000003506f0