jfs_lookup: iget failed on inum 32
------------[ cut here ]------------
kernel BUG at fs/jfs/inode.c:175!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4192 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:jfs_evict_inode+0x420/0x430 fs/jfs/inode.c:175
Code: f2 fe e9 e8 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 ba fd f2 fe e9 16 fe ff ff e8 40 df ad fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 41 54
RSP: 0018:ffffc90002f4fa48 EFLAGS: 00010293
RAX: ffffffff82cb1360 RBX: ffff8880632c7330 RCX: ffff88801db0bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880632c7330
RBP: 0000000000000001 R08: ffffffff901e922f R09: 1ffffffff203d245
R10: dffffc0000000000 R11: fffffbfff203d246 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880632c6fb8 R15: ffff8880632c7358
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b88050dac CR3: 000000006368b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x4b6/0x8b0 fs/inode.c:647
 dispose_list fs/inode.c:680 [inline]
 evict_inodes+0x650/0x6e0 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+0x426/0x4d0 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+0x635/0x2110 kernel/exit.c:884
 do_group_exit+0x12c/0x2f0 kernel/exit.c:998
 __do_sys_exit_group kernel/exit.c:1009 [inline]
 __se_sys_exit_group kernel/exit.c:1007 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1007
 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: 0033:0x7fc34a348e99
Code: Unable to access opcode bytes at RIP 0x7fc34a348e6f.
RSP: 002b:00007ffcf196dc38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fc34a3de32f RCX: 00007fc34a348e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000005 R08: 0000000000000000 R09: 00007fc34a3de30a
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf196eef0
R13: 00007fc34a3de30a R14: 0000000000014737 R15: 00007ffcf196ffc0
 </TASK>
Modules linked in:
---[ end trace f9b5ed2ef8fbb555 ]---
RIP: 0010:jfs_evict_inode+0x420/0x430 fs/jfs/inode.c:175
Code: f2 fe e9 e8 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 ba fd f2 fe e9 16 fe ff ff e8 40 df ad fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 41 54
RSP: 0018:ffffc90002f4fa48 EFLAGS: 00010293
RAX: ffffffff82cb1360 RBX: ffff8880632c7330 RCX: ffff88801db0bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880632c7330
RBP: 0000000000000001 R08: ffffffff901e922f R09: 1ffffffff203d245
R10: dffffc0000000000 R11: fffffbfff203d246 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880632c6fb8 R15: ffff8880632c7358
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f67a6d1950 CR3: 000000007d580000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400