On Mon, Jul 29, 2019 at 02:51:09PM -0700, Stanislav Fomichev wrote: > Current setsockopt hook is limited to the size of the buffer that > user had supplied. Since we always allocate memory and copy the value > into kernel space, allocate just a little bit more in case BPF > program needs to override input data with a larger value. > > The canonical example is TCP_CONGESTION socket option where > input buffer is a string and if user calls it with a short string, > BPF program has no way of extending it. > > The tests are extended with TCP_CONGESTION use case.
Applied, Thanks Please consider integrating test_sockopt* into test_progs.
