r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$TCSETSF2(r0, 0x402c542d, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x7, 0x0, "fefb4a9a3b67b8053cc55f1c42469de3c566f8"}) ioctl$TIOCSPTLCK(r0, 0x40045431, &(0x7f0000000040)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000000c0)=0xfb)