r0 = memfd_create(&(0x7f0000000340)='\x00', 0x6)
ftruncate(r0, 0x8800000)
preadv(r0, &(0x7f0000000200)=[{&(0x7f0000000640)=""/103, 0x67}], 0x1, 0x0, 0x0)