r0 = memfd_create(&(0x7f0000000140)='\x10\x18i\xc7\xc5\xacW\xc6\xec\xdf\x13\x7f\fL\x16\x03Y\xb7\x99\xff\x03\x00\x00\xcc', 0x0)
pwritev2(r0, &(0x7f00000002c0)=[{&(0x7f0000000000)='y', 0x1}], 0x1, 0x0, 0x0, 0xb)