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: 5972 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
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 23 47 e8 fe e9 16 fe ff ff e8 99 e0 85 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:ffffc90004677a80 EFLAGS: 00010293
RAX: ffffffff833a91e7 RBX: ffff8880591c2b40 RCX: ffff88802a131e40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff833a6e10 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880591c27f8 R15: ffff8880591c2b40
FS:  000055558fe44500(0000) GS:ffff888126d12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa1555cb000 CR3: 00000000262f6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 evict+0x5f4/0xae0 fs/inode.c:837
 dispose_list fs/inode.c:879 [inline]
 evict_inodes+0x753/0x7e0 fs/inode.c:933
 generic_shutdown_super+0x9a/0x2c0 fs/super.c:628
 kill_block_super+0x44/0x90 fs/super.c:1722
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1318
 task_work_run+0x1d4/0x260 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:44 [inline]
 exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75
 __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_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f34d88e0a77
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:00007fff65af8968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f34d8963d7d RCX: 00007f34d88e0a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff65af8a20
RBP: 00007fff65af8a20 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff65af9ab0
R13: 00007f34d8963d7d R14: 000000000001e14d R15: 00007fff65af9af0
 </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 23 47 e8 fe e9 16 fe ff ff e8 99 e0 85 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:ffffc90004677a80 EFLAGS: 00010293
RAX: ffffffff833a91e7 RBX: ffff8880591c2b40 RCX: ffff88802a131e40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff833a6e10 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880591c27f8 R15: ffff8880591c2b40
FS:  000055558fe44500(0000) GS:ffff888126d12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa1555cb000 CR3: 00000000262f6000 CR4: 00000000003526f0