r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$tcp_congestion(r0, &(0x7f0000000000)='cubic\x00', 0x6)
writev(r0, &(0x7f00000015c0)=[{&(0x7f00000001c0)='G', 0x1}], 0x1)