r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x18b501, 0x0)
writev(r0, &(0x7f0000001380)=[{&(0x7f0000000100)="b9", 0x1}, {&(0x7f0000001500)='y', 0x1}], 0x2)