R13: 00007ffc91677cef R14: 00007efd3b3a6300 R15: 0000000000022000
 </TASK>
================================================
WARNING: lock held when returning to user space!
6.18.0-rc7-next-20251126 #1 Not tainted
------------------------------------------------
syz-executor.2/13623 is leaving the kernel with locks still held!
1 lock held by syz-executor.2/13623:
 #0: ffff888015f903f8 (sb_writers#15){.+.+}-{0:0}, at: do_mq_open+0x1be/0x8c0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 13695 Comm: syz-executor.0 Not tainted 6.18.0-rc7-next-20251126 #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
 kmem_cache_alloc_noprof+0x80/0x710
 jbd2__journal_start+0x193/0x820
 __ext4_journal_start_sb+0x325/0x580
 ext4_dirty_inode+0xa5/0x130
 __mark_inode_dirty+0x1b7/0x13c0
 generic_update_time+0xcb/0xf0
 touch_atime+0x4bd/0x590
 step_into+0x199b/0x1fc0
 path_openat+0x4ac/0x2a50
 do_filp_open+0x1e8/0x450
 do_sys_openat2+0x107/0x240
 __x64_sys_creat+0xcc/0x120
 do_syscall_64+0xbf/0x420
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efd3de30b19
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:00007efd3b3a6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007efd3df43f60 RCX: 00007efd3de30b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007efd3b3a61d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc91677cef R14: 00007efd3b3a6300 R15: 0000000000022000
 </TASK>