r0 = memfd_create(&(0x7f0000000000)='\x00', 0x0) pwritev2(r0, &(0x7f0000000340)=[{&(0x7f00000000c0)="03", 0x1}, {&(0x7f0000000280)='6', 0x1}, {&(0x7f0000000040)='?', 0x1}], 0x3, 0x0, 0x0, 0x0)