r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f00000034c0), 0x1, 0x0)
writev(r0, &(0x7f0000003600)=[{&(0x7f0000003500)="789506705cb35d65583ad7cc044b81f6", 0x10}], 0x1)