ERROR: (device loop5): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5
ERROR: (device loop5): remounting filesystem as read-only
------------[ cut here ]------------
kernel BUG at fs/jfs/inode.c:169!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5313 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:jfs_evict_inode+0x42d/0x430 fs/jfs/inode.c:169
Code: f5 fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 4d ba f5 fe e9 16 fe ff ff e8 33 52 b1 fe <0f> 0b 90 41 57 41 56 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff
RSP: 0018:ffffc900033bfa00 EFLAGS: 00010293
RAX: ffffffff82c679dd RBX: ffff888071818430 RCX: ffff888021ed5940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888071818430
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff1ff7c49
R10: fffffbfff1ff7c49 R11: 1ffffffff1ff7c48 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880718180b8 R15: ffff888071818600
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd8edd64800 CR3: 0000000062793000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x485/0x870 fs/inode.c:647
 dispose_list fs/inode.c:680 [inline]
 evict_inodes+0x604/0x690 fs/inode.c:734
 generic_shutdown_super+0x93/0x300 fs/super.c:454
 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:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x61e/0x20a0 kernel/exit.c:883
 do_group_exit+0x12e/0x300 kernel/exit.c:997
 __do_sys_exit_group kernel/exit.c:1008 [inline]
 __se_sys_exit_group kernel/exit.c:1006 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1006
 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: 0033:0x7f15c8637749
Code: Unable to access opcode bytes at RIP 0x7f15c863771f.
RSP: 002b:00007ffe15764fd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f15c86bbda2 RCX: 00007f15c8637749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000002 R08: 00007ffe15762d77 R09: 00007ffe15766290
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe15766290
R13: 00007f15c86bbd7d R14: 00005555892604a8 R15: 00007ffe15767360
 </TASK>
Modules linked in:
---[ end trace b987229e748328df ]---
RIP: 0010:jfs_evict_inode+0x42d/0x430 fs/jfs/inode.c:169
Code: f5 fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 4d ba f5 fe e9 16 fe ff ff e8 33 52 b1 fe <0f> 0b 90 41 57 41 56 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff
RSP: 0018:ffffc900033bfa00 EFLAGS: 00010293

RAX: ffffffff82c679dd RBX: ffff888071818430 RCX: ffff888021ed5940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888071818430
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff1ff7c49
R10: fffffbfff1ff7c49 R11: 1ffffffff1ff7c48 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880718180b8 R15: ffff888071818600
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa42b1386c8 CR3: 00000000626d6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400