r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCGPKT(r0, 0x40045431, &(0x7f0000002580)) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF2(r1, 0x402c542d, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, "4c998ab26d365948ac045e6a557aec4716852e"})