syzbot

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kernel BUG at fs/jfs/inode.c:175!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 5935 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:jfs_evict_inode+0x3eb/0x4b0 fs/jfs/inode.c:175
Code: 24 80 00 74 0d e8 05 43 6e fe 48 89 df e8 5d 8c 02 00 e8 f8 42 6e fe 48 89 df e8 a0 50 11 ff e9 e7 fc ff ff e8 e6 42 6e fe 90 <0f> 0b 48 c7 c7 c0 6c 9c 8e e8 e7 27 d7 fe e9 44 fc ff ff e8 dd 27
RSP: 0018:ffffc9000410fb08 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888058a13b20 RCX: ffffffff8261ca4b
RDX: ffff88807c581e80 RSI: ffffffff8350932a RDI: ffff888058a13b10
RBP: ffff888058a137a8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88807c5829b0 R12: ffff888058a13d40
R13: ffffffff83508f40 R14: 0000000000000000 R15: 0000000000000001
FS:  00005555667c6500(0000) GS:ffff8881249f6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056518bfe1950 CR3: 0000000034eb2000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 evict+0x3c2/0xad0 fs/inode.c:837
 dispose_list+0x117/0x1e0 fs/inode.c:879
 evict_inodes+0x51d/0x6b0 fs/inode.c:933
 generic_shutdown_super+0xb2/0x390 fs/super.c:628
 kill_block_super+0x3b/0x90 fs/super.c:1722
 deactivate_locked_super+0xc1/0x1a0 fs/super.c:474
 deactivate_super fs/super.c:507 [inline]
 deactivate_super+0xde/0x100 fs/super.c:503
 cleanup_mnt+0x225/0x450 fs/namespace.c:1318
 task_work_run+0x150/0x240 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+0xfb/0x540 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+0x4ee/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc4be590a77
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:00007ffdba0990f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fc4be613d7d RCX: 00007fc4be590a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdba0991b0
RBP: 00007ffdba0991b0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdba09a240
R13: 00007fc4be613d7d R14: 000000000001d4f1 R15: 00007ffdba09a280
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_evict_inode+0x3eb/0x4b0 fs/jfs/inode.c:175
Code: 24 80 00 74 0d e8 05 43 6e fe 48 89 df e8 5d 8c 02 00 e8 f8 42 6e fe 48 89 df e8 a0 50 11 ff e9 e7 fc ff ff e8 e6 42 6e fe 90 <0f> 0b 48 c7 c7 c0 6c 9c 8e e8 e7 27 d7 fe e9 44 fc ff ff e8 dd 27
RSP: 0018:ffffc9000410fb08 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888058a13b20 RCX: ffffffff8261ca4b
RDX: ffff88807c581e80 RSI: ffffffff8350932a RDI: ffff888058a13b10
RBP: ffff888058a137a8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88807c5829b0 R12: ffff888058a13d40
R13: ffffffff83508f40 R14: 0000000000000000 R15: 0000000000000001
FS:  00005555667c6500(0000) GS:ffff8881249f6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c008c90020 CR3: 0000000034eb2000 CR4: 0000000000350ef0