REISERFS panic (device loop4): journal-2332 do_journal_end: Trying to log block 531, which is a log block ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4653 Comm: syz.4.60 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 20 4e 1b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 e0 4e 1b 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 20 5e 1d 96 e8 96 51 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 97 ae df f7 48 c7 c7 a0 57 1b 8a RSP: 0018:ffffc9000312f800 EFLAGS: 00010246 RAX: 0000000000000069 RBX: ffffffff8bba8ec0 RCX: 43e97f5995f90800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000312f900 R08: dffffc0000000000 R09: ffffed10172267b0 R10: ffffed10172267b0 R11: 1ffff110172267af R12: ffffffff8a1b99e0 R13: ffffc9000312f820 R14: ffffffff8a1b99c0 R15: ffff888060d766a8 FS: 00007f5ab6e056c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd296571f98 CR3: 0000000064d11000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0xa1d/0xb40 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+0x712/0xd00 fs/read_write.c:594 ksys_write+0x14d/0x250 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: 0033:0x7f5ab8b9e749 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:00007f5ab6e05038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f5ab8df4fa0 RCX: 00007f5ab8b9e749 RDX: 0000000000000014 RSI: 00002000000001c0 RDI: 0000000000000004 RBP: 00007f5ab8c22f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5ab8df5038 R14: 00007f5ab8df4fa0 R15: 00007ffdf8a0e468 Modules linked in: ---[ end trace 0e9b95b258d34ffd ]--- RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390 Code: c7 c1 20 4e 1b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 e0 4e 1b 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 20 5e 1d 96 e8 96 51 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 97 ae df f7 48 c7 c7 a0 57 1b 8a RSP: 0018:ffffc9000312f800 EFLAGS: 00010246 RAX: 0000000000000069 RBX: ffffffff8bba8ec0 RCX: 43e97f5995f90800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000312f900 R08: dffffc0000000000 R09: ffffed10172267b0 R10: ffffed10172267b0 R11: 1ffff110172267af R12: ffffffff8a1b99e0 R13: ffffc9000312f820 R14: ffffffff8a1b99c0 R15: ffff888060d766a8 FS: 00007f5ab6e056c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd296571f98 CR3: 0000000064d11000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400