r0 = openat$random(0xffffffffffffff9c, &(0x7f0000001300), 0x0, 0x0)
preadv2(r0, &(0x7f0000000040)=[{&(0x7f0000000100)=""/4096, 0x1000}], 0x1, 0x0, 0x0, 0x1e)