r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0xc02, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000001340)=""/4096, 0x1000}], 0x1)
lseek(0xffffffffffffffff, 0x0, 0x0)