r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f000000a080), 0x0, 0x0)
ioctl$TCXONC(r0, 0x540a, 0x0)
ppoll(&(0x7f0000000000)=[{r0}], 0x1, &(0x7f0000000080)={0x0, 0x989680}, 0x0, 0x0)