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WARNING: lock held when returning to user space!
6.18.0-rc7-next-20251126 #1 Not tainted
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syz-executor.2/7652 is leaving the kernel with locks still held!
1 lock held by syz-executor.2/7652:
 #0: ffff88801ba703f8 (sb_writers#19){.+.+}-{0:0}, at: do_mq_open+0x1be/0x8c0
cgroup: fork rejected by pids controller in /syz1
kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)