================================================ WARNING: lock held when returning to user space! 6.18.0-rc7-next-20251127 #1 Not tainted ------------------------------------------------ syz-executor.0/109972 is leaving the kernel with locks still held! 1 lock held by syz-executor.0/109972: #0: ffff888013d815c8 (&sb->s_type->i_mutex_key#26/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0 tmpfs: Invalid gid '0x00000000ffffffff'