On Fri, 2013-04-26 at 11:29 -0400, Xi Wang wrote: > On Fri, Apr 26, 2013 at 11:11 AM, Eric Dumazet <eric.duma...@gmail.com> wrote: > > 2) Calling a function potentially destroys some registers. > > %rdi,%r8,%r9 for instance, so we are going to crash very easily. > > > > I dont know, I feel a bit uncomfortable having to explain this to > > someone sending security related patches... > > My old code did save these registers. But, do we really need that for > seccomp? For example, %rdi (skb) is always NULL and never used by > seccomp filters. Did I miss anything?
I do not know. This is not explained in your changelog or in any comment. You have to make the full analysis yourself and make us comfortable with the results. You send patches and ask us to spend hours on it, this is not how it works. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
