syzbot

 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x43b/0x4d0 fs/namespace.c:1259
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5785 at include/linux/memcontrol.h:764 folio_lruvec include/linux/memcontrol.h:764 [inline]
WARNING: CPU: 1 PID: 5785 at include/linux/memcontrol.h:764 folio_lruvec_lock_irqsave+0x202/0x260 mm/memcontrol.c:1398
Modules linked in:
CPU: 1 PID: 5785 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:folio_lruvec include/linux/memcontrol.h:764 [inline]
RIP: 0010:folio_lruvec_lock_irqsave+0x202/0x260 mm/memcontrol.c:1398
Code: 4c 89 f7 e8 30 21 f9 ff 48 8b 04 24 49 89 06 e9 28 ff ff ff 48 89 df 48 c7 c6 60 bc d6 8a e8 d5 58 e1 ff c6 05 d6 63 8f 0c 01 <0f> 0b e9 2b fe ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c a9 fe
RSP: 0018:ffffc900046af4d8 EFLAGS: 00010246
RAX: 9b06860b7d8d6500 RBX: ffffea00019a5b80 RCX: 9b06860b7d8d6500
RDX: 0000000000000003 RSI: ffffffff8acada80 RDI: ffffffff8b1c80e0
RBP: ffffc900046af580 R08: ffffffff8e8ad9ef R09: 1ffffffff1d15b3d
R10: dffffc0000000000 R11: fffffbfff1d15b3e R12: ffff8880b8f36c28
R13: dffffc0000000000 R14: ffff8880210ec000 R15: 0000000000000000
FS:  00007f6ce9ded880(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6ce95032de CR3: 000000005f98c000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 folio_lruvec_relock_irqsave include/linux/memcontrol.h:1654 [inline]
 folio_batch_move_lru+0x2b4/0x660 mm/swap.c:208
 lru_add_drain_cpu+0x109/0x8e0 mm/swap.c:644
 lru_add_drain+0x121/0x3e0 mm/swap.c:744
 __folio_batch_release+0x48/0xe0 mm/swap.c:1039
 folio_batch_release include/linux/pagevec.h:83 [inline]
 shmem_undo_range+0x630/0x1b20 mm/shmem.c:1026
 shmem_truncate_range mm/shmem.c:1135 [inline]
 shmem_evict_inode+0x245/0x9e0 mm/shmem.c:1264
 evict+0x4ca/0x8d0 fs/inode.c:705
 __dentry_kill+0x431/0x650 fs/dcache.c:611
 dentry_kill+0xb8/0x290 fs/dcache.c:-1
 dput+0xfe/0x1e0 fs/dcache.c:918
 do_renameat2+0x8f9/0xce0 fs/namei.c:5035
 __do_sys_rename fs/namei.c:5079 [inline]
 __se_sys_rename fs/namei.c:5077 [inline]
 __x64_sys_rename+0x86/0x90 fs/namei.c:5077
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6ce967acc7
Code: e8 5e a7 09 00 f7 d8 19 c0 5b c3 0f 1f 84 00 00 00 00 00 b8 ff ff ff ff 5b c3 66 0f 1f 84 00 00 00 00 00 b8 52 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 01 61 17 00 f7 d8 64 89 02 b8
RSP: 002b:00007fff377ce938 EFLAGS: 00000206 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 000055e68e90f7a0 RCX: 00007f6ce967acc7
RDX: 000055e68e8f2010 RSI: 00007fff377ce950 RDI: 00007fff377ced50
RBP: 000055e68e907830 R08: 00000000000001e0 R09: 0000000000000000
R10: 00000000000001b6 R11: 0000000000000206 R12: 00007fff377ce950
R13: 00007fff377ced50 R14: 000055e66ce2e100 R15: 000055e66ce2e140
 </TASK>