r0 = memfd_create(&(0x7f0000000340)='\x00', 0x0)
pwritev2(r0, &(0x7f0000000280)=[{&(0x7f00000002c0)='Z', 0x1}, {0x0, 0xa}], 0x2, 0x3, 0x100, 0x0)