================================================
WARNING: lock held when returning to user space!
6.18.0-rc7-next-20251127 #1 Not tainted
------------------------------------------------
syz-executor.7/5126 is leaving the kernel with locks still held!
1 lock held by syz-executor.7/5126:
 #0: ffff888017b195c8 (&sb->s_type->i_mutex_key#23/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 5154 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_failslab+0xc2/0x120
 __kmalloc_noprof+0xd6/0x830
 trace_probe_init+0x71/0x4c0
 alloc_trace_kprobe+0x2c7/0x550
 create_local_trace_kprobe+0x73/0x410
 perf_kprobe_init+0x119/0x210
 perf_kprobe_event_init+0xfc/0x1d0
 perf_try_init_event+0x140/0x9f0
 perf_event_alloc.part.0+0x1130/0x4640
 __do_sys_perf_event_open+0x70b/0x2c20
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb6c9deeb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb6c7364188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fb6c9f01f60 RCX: 00007fb6c9deeb19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fb6c73641d0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffefe843b3f R14: 00007fb6c7364300 R15: 0000000000022000
 </TASK>
trace_kprobe: Failed to allocate trace_probe.(-12)