FAT-fs (loop2): bogus number of FAT structure
FAT-fs (loop2): Can't find a valid FAT filesystem
EXT4-fs (loop7): failed to parse options in superblock: �
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WARNING: lock held when returning to user space!
6.18.0-rc7-next-20251128 #1 Not tainted
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syz-executor.1/17542 is leaving the kernel with locks still held!
1 lock held by syz-executor.1/17542:
 #0: ffff88800b3b0848 (&sb->s_type->i_mutex_key#26/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
ext4 filesystem being mounted at /syzkaller-testdir105077746/syzkaller.8qklFc/245/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop2: detected capacity change from 0 to 64
FAT-fs (loop2): bogus number of FAT structure
FAT-fs (loop2): Can't find a valid FAT filesystem
loop2: detected capacity change from 0 to 64
loop5: detected capacity change from 0 to 2048
FAT-fs (loop2): bogus number of FAT structure
FAT-fs (loop2): Can't find a valid FAT filesystem
EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir105077746/syzkaller.8qklFc/246/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs warning (device loop7): ext4_multi_mount_protect:328: MMP startup interrupted, failing mount

Bluetooth: hci6: command 0x0406 tx timeout