On 04/17/2019 06:45 PM, linmiaohe wrote: > > In fact, I just implemented this function with reference to > sock_setsockopt(). When val * 2 overflow, we will set the > buffer as SOCK_MIN_SNDBUF, just as sock_setsockopt() do. > I do not think so. Please check latest linux kernel, not some old version. commit 4057765f2dee79cb92f9067909477303360be8d3 sock: consistent handling of extreme SO_SNDBUF/SO_RCVBUF values
