lo: entered promiscuous mode
================================================
WARNING: lock held when returning to user space!
6.18.0-rc7-next-20251127 #1 Not tainted
------------------------------------------------
syz-executor.7/11698 is leaving the kernel with locks still held!
1 lock held by syz-executor.7/11698:
 #0: ffff88800bdf8848 (&sb->s_type->i_mutex_key#23/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 11706 Comm: syz-executor.6 Not tainted 6.18.0-rc7-next-20251127 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1eb/0x550
 __alloc_frozen_pages_noprof+0x17f/0x2000
 alloc_pages_mpol+0xed/0x340
 alloc_pages_noprof+0x9d/0x180
 get_zeroed_page_noprof+0x18/0xb0
 mon_alloc_buff+0xed/0x250
 mon_bin_open+0x209/0x4a0
 chrdev_open+0x234/0x690
 do_dentry_open+0x76a/0x1460
 vfs_open+0x82/0x3f0
 path_openat+0x1f9c/0x2d30
 do_filp_open+0x1e8/0x450
 do_sys_openat2+0x107/0x240
 __x64_sys_openat+0x142/0x200
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f638fd9ea04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f638d360cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007f638fd9ea04
RDX: 0000000000085380 RSI: 00007f638d360d60 RDI: 00000000ffffff9c
RBP: 00007f638d360d60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000085380
R13: 00007ffe47a7f0cf R14: 00007f638d361300 R15: 0000000000022000
 </TASK>
lo: left promiscuous mode
lo: entered promiscuous mode
lo: left promiscuous mode