syz_mount_image$iso9660(&(0x7f0000000640), &(0x7f0000000680)='./file1\x00', 0x0, 0x0, &(0x7f0000000700), 0x0, &(0x7f0000000ac0)={[{@sbsector={'sbsector', 0x3d, 0x80000000}}]})