EXT4-fs (loop5): VFS: Can't find ext4 filesystem ================================================ WARNING: lock held when returning to user space! 6.18.0-rc7-next-20251127 #1 Not tainted ------------------------------------------------ syz-executor.7/5087 is leaving the kernel with locks still held! 1 lock held by syz-executor.7/5087: #0: ffff88800f3795c8 (&sb->s_type->i_mutex_key#24/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0 Bluetooth: hci0: unexpected event 0x3e length: 261 > 260 Bluetooth: hci0: unknown advertising packet type: 0xff Bluetooth: hci0: Malformed LE Event: 0x02 Bluetooth: hci0: unexpected event 0x3e length: 261 > 260 Bluetooth: hci0: unknown advertising packet type: 0xff Bluetooth: hci0: Malformed LE Event: 0x02 Bluetooth: hci2: unexpected event 0x3e length: 261 > 260 Bluetooth: hci2: unknown advertising packet type: 0xff Bluetooth: hci2: Malformed LE Event: 0x02 Bluetooth: hci2: unexpected event 0x3e length: 261 > 260 Bluetooth: hci2: unknown advertising packet type: 0xff Bluetooth: hci2: Malformed LE Event: 0x02 loop5: detected capacity change from 0 to 136 EXT4-fs (loop5): VFS: Can't find ext4 filesystem