================================================ WARNING: lock held when returning to user space! 6.18.0-rc7-next-20251128 #1 Not tainted ------------------------------------------------ syz-executor.3/8691 is leaving the kernel with locks still held! 1 lock held by syz-executor.3/8691: #0: ffff88800b330f08 (&sb->s_type->i_mutex_key#23/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0 EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 35508 (only 16 groups) EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 35508 (only 16 groups)