r0 = syz_open_dev$sg(&(0x7f0000000080), 0x0, 0x0)
r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000040)=0x1b)
dup2(r0, r1)