REISERFS panic (device loop8): 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: 6016 Comm: syz-executor Not tainted 5.15.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390 Code: c7 c1 40 46 1b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 47 1b 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 a0 6f 1c 96 e8 16 52 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 47 64 e0 f7 48 c7 c7 c0 4f 1b 8a RSP: 0018:ffffc900041ff9a0 EFLAGS: 00010246 RAX: 0000000000000069 RBX: ffffffff8bb97cc9 RCX: 3beb93220e84bd00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900041ffaa0 R08: dffffc0000000000 R09: ffffed10172267a8 R10: ffffed10172267a8 R11: 1ffff110172267a7 R12: ffffffff8a1b9200 R13: ffffc900041ff9c0 R14: ffffffff8a1b91e0 R15: ffff888062ff86a8 FS: 000055556c424500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c38c910 CR3: 000000006510c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_journal_end+0x39fb/0x42d0 fs/reiserfs/journal.c:4149 reiserfs_sync_fs+0xcc/0x150 fs/reiserfs/super.c:78 sync_filesystem+0xe6/0x220 fs/sync.c:56 generic_shutdown_super+0x6b/0x300 fs/super.c:448 kill_block_super+0x7c/0xe0 fs/super.c:1427 deactivate_locked_super+0x93/0xf0 fs/super.c:335 cleanup_mnt+0x418/0x4d0 fs/namespace.c:1143 task_work_run+0x125/0x1a0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f20cb4dec97 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:00007fff5d38b128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f20cb55f89d RCX: 00007f20cb4dec97 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff5d38b1e0 RBP: 00007fff5d38b1e0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff5d38c270 R13: 00007f20cb55f89d R14: 0000000000034808 R15: 00007fff5d38c2b0 Modules linked in: ---[ end trace 17906a02db9b9780 ]--- RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390 Code: c7 c1 40 46 1b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 47 1b 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 a0 6f 1c 96 e8 16 52 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 47 64 e0 f7 48 c7 c7 c0 4f 1b 8a RSP: 0018:ffffc900041ff9a0 EFLAGS: 00010246 RAX: 0000000000000069 RBX: ffffffff8bb97cc9 RCX: 3beb93220e84bd00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900041ffaa0 R08: dffffc0000000000 R09: ffffed10172267a8 R10: ffffed10172267a8 R11: 1ffff110172267a7 R12: ffffffff8a1b9200 R13: ffffc900041ff9c0 R14: ffffffff8a1b91e0 R15: ffff888062ff86a8 FS: 000055556c424500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efe0a81ceb8 CR3: 000000006510c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400