REISERFS panic (device loop4): 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: 5440 Comm: syz.4.270 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:ffffc9000330f7e0 EFLAGS: 00010246
RAX: 0000000000000069 RBX: 1ffff92000661f00 RCX: f51a6e3036164100
RDX: ffffc900066aa000 RSI: 0000000000021a5d RDI: 0000000000021a5e
RBP: ffffc9000330f900 R08: ffff8880b9133d7f R09: 1ffff110172267af
R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffffc9000330f820
R13: dffffc0000000000 R14: ffffffff8a3ba740 R15: ffff8880604686a8
FS:  00007f9b88f1a6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001020 CR3: 00000000533a7000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_journal_end+0x39fb/0x42d0 fs/reiserfs/journal.c:4149
 journal_end_sync fs/reiserfs/journal.c:3535 [inline]
 __commit_trans_jl fs/reiserfs/journal.c:3877 [inline]
 reiserfs_commit_for_inode+0xa3e/0xb60 fs/reiserfs/journal.c:3920
 reiserfs_sync_file+0x11b/0x270 fs/reiserfs/file.c:159
 generic_write_sync include/linux/fs.h:2990 [inline]
 generic_file_write_iter+0x157/0x1b0 mm/filemap.c:3948
 call_write_iter include/linux/fs.h:2173 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x745/0xd60 fs/read_write.c:594
 ksys_write+0x152/0x260 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9b8ace1799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9b88f1a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b8af5b090 RCX: 00007f9b8ace1799
RDX: 0000000000000018 RSI: 0000200000000480 RDI: 0000000000000004
RBP: 00007f9b8ad77bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9b8af5b128 R14: 00007f9b8af5b090 R15: 00007ffe4ff58228
 </TASK>
Modules linked in:
---[ end trace ed7a102f38bda174 ]---
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:ffffc9000330f7e0 EFLAGS: 00010246
RAX: 0000000000000069 RBX: 1ffff92000661f00 RCX: f51a6e3036164100
RDX: ffffc900066aa000 RSI: 0000000000021a5d RDI: 0000000000021a5e
RBP: ffffc9000330f900 R08: ffff8880b9133d7f R09: 1ffff110172267af
R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffffc9000330f820
R13: dffffc0000000000 R14: ffffffff8a3ba740 R15: ffff8880604686a8
FS:  00007f9b88f1a6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1bc9bece80 CR3: 00000000533a7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400