EXT4-fs (loop7): get root inode failed EXT4-fs (loop7): mount failed ================================================ WARNING: lock held when returning to user space! 6.18.0-rc7-next-20251128 #1 Not tainted ------------------------------------------------ syz-executor.3/21815 is leaving the kernel with locks still held! 1 lock held by syz-executor.3/21815: #0: ffff88800b621c88 (&sb->s_type->i_mutex_key#25/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0