================================================ WARNING: lock held when returning to user space! 6.16.0-rc6-next-20250716-syzkaller #0 Not tainted ------------------------------------------------ syz.2.3199/16830 is leaving the kernel with locks still held! 1 lock held by syz.2.3199/16830: #0: ffff888066173308 (vm_lock){++++}-{0:0}, at: lock_next_vma+0x146/0xdc0 mm/mmap_lock.c:220