================================================
WARNING: lock held when returning to user space!
6.18.0-rc7-next-20251128 #1 Not tainted
------------------------------------------------
syz-executor.3/6159 is leaving the kernel with locks still held!
1 lock held by syz-executor.3/6159:
 #0: ffff888017d90f08 (&sb->s_type->i_mutex_key#26/1){+.+.}-{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: 6178 Comm: syz-executor.5 Not tainted 6.18.0-rc7-next-20251128 #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_cache_noprof+0x80/0x730
 cgroup_show_path+0xb2/0x760
 kernfs_sop_show_path+0xe5/0x140
 show_path+0x99/0x100
 show_mountinfo+0x1d7/0x820
 seq_read_iter+0xbf6/0x1320
 do_iter_readv_writev+0x691/0x910
 vfs_readv+0x42b/0x7f0
 do_readv+0x129/0x330
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd32ac5b19
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:00007fbd3003b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007fbd32bd8f60 RCX: 00007fbd32ac5b19
RDX: 0000000000000001 RSI: 0000000020001280 RDI: 0000000000000004
RBP: 00007fbd3003b1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe9139ff9f R14: 00007fbd3003b300 R15: 0000000000022000
 </TASK>
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 6188 Comm: syz-executor.2 Not tainted 6.18.0-rc7-next-20251128 #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_cache_noprof+0x80/0x730
 cgroup_show_path+0xb2/0x760
 kernfs_sop_show_path+0xe5/0x140
 show_path+0x99/0x100
 show_mountinfo+0x1d7/0x820
 seq_read_iter+0xbf6/0x1320
 do_iter_readv_writev+0x691/0x910
 vfs_readv+0x42b/0x7f0
 do_readv+0x129/0x330
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2b2e668b19
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:00007f2b2bbde188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007f2b2e77bf60 RCX: 00007f2b2e668b19
RDX: 0000000000000001 RSI: 0000000020001280 RDI: 0000000000000004
RBP: 00007f2b2bbde1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdc24ea60f R14: 00007f2b2bbde300 R15: 0000000000022000
 </TASK>