fsck.vfat -n exited with status code 1 fsck.fat 4.2 (2021-01-31) FATs differ but appear to be intact. Using first FAT. Start cluster field in VFAT long filename slot is not 0 (but 0x7f00). Auto-setting to 0. Orphaned long file name part "file.cold" Auto-deleting. /SYZKALLE.R File size is 524288 bytes, cluster chain length is 0 bytes. Truncating file to 0 bytes. /Af File size is 4294967295 bytes, cluster chain length is 0 bytes. Truncating file to 0 bytes. /FILE0 Directory has non-zero size. Fixing it. Volume label 'SYZKALLER' stored in root directory and label 'SYZKALL' stored in boot sector and different. Auto-copying volume label from root directory to boot sector. Reclaimed 2 unused clusters (1024 bytes). Leaving filesystem unchanged. /tmp/3281114220.img: 6 files, 23/121 clusters