r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0)
r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0)
dup2(r1, r0)
ioctl$SG_IO(r1, 0x2285, 0x0)
ppoll(&(0x7f0000000280)=[{r0}], 0x1, &(0x7f0000000300)={0x0, 0x989680}, 0x0, 0x0)