syzbot

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kernel BUG at fs/jfs/inode.c:175!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5906 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:jfs_evict_inode+0x438/0x440 fs/jfs/inode.c:175
Code: 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 13 c7 dd fe e9 16 fe ff ff e8 79 ba 77 fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003f87aa0 EFLAGS: 00010293
RAX: ffffffff834c9997 RBX: ffff88805c2ad240 RCX: ffff88802e270000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff834c75c0 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805c2acef8 R15: ffff88805c2ad240
FS:  0000555557173500(0000) GS:ffff888126342000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1514779c0 CR3: 0000000029cac000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 evict+0x61e/0xb10 fs/inode.c:846
 dispose_list fs/inode.c:888 [inline]
 evict_inodes+0x75a/0x7f0 fs/inode.c:942
 generic_shutdown_super+0xaa/0x2d0 fs/super.c:632
 kill_block_super+0x44/0x90 fs/super.c:1725
 deactivate_locked_super+0xbc/0x130 fs/super.c:476
 cleanup_mnt+0x437/0x4d0 fs/namespace.c:1312
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline]
 do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f015e94d897
Code: a2 c7 05 5c ee 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff5e323078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f015e9e1ef0 RCX: 00007f015e94d897
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff5e323130
RBP: 00007fff5e323130 R08: 00007fff5e324130 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff5e3241c0
R13: 00007f015e9e1ef0 R14: 000000000001b8cb R15: 00007fff5e324200
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_evict_inode+0x438/0x440 fs/jfs/inode.c:175
Code: 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 13 c7 dd fe e9 16 fe ff ff e8 79 ba 77 fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003f87aa0 EFLAGS: 00010293
RAX: ffffffff834c9997 RBX: ffff88805c2ad240 RCX: ffff88802e270000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff834c75c0 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805c2acef8 R15: ffff88805c2ad240
FS:  0000555557173500(0000) GS:ffff888126342000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1514779c0 CR3: 0000000029cac000 CR4: 00000000003526f0