syz_mount_image$iso9660(&(0x7f0000000880), &(0x7f00000008c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000940), 0x0, &(0x7f0000000980)={[{@map_off}, {@block={'block', 0x3d, 0x7f9933b107a89835}}], [{@fscontext={'fscontext', 0x3d, 'staff_u'}}]})