r0 = memfd_create(&(0x7f0000000340)='\x00', 0x0)
pwritev2(r0, &(0x7f0000000540)=[{&(0x7f0000000400)='m', 0x1}], 0x1, 0x0, 0x0, 0xcbb32a3805bc9b54)