r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/raw\x00')
r2 = fcntl$dupfd(r0, 0x0, r1)
ioctl$TCXONC(r2, 0x540a, 0x3)