r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
r1 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r2 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$TIOCVHANGUP(r2, 0x5437, 0x0)
dup3(r0, r1, 0x0)