r0 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x20102, 0x0)
pwritev2(r0, &(0x7f00000001c0)=[{&(0x7f0000000300)=']', 0x1}], 0x1, 0x0, 0x0, 0x4)