r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/bus/input/handlers\x00', 0x300, 0x0)
r1 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
dup2(r1, r0)
lseek(r0, 0x81, 0x2)