r0 = memfd_create(&(0x7f0000000280)='\xf7^/+\x00', 0x0)
pwritev2(r0, &(0x7f00000003c0)=[{&(0x7f0000000300)='\r', 0x1}], 0x1, 0x0, 0x0, 0x7)