On 09/10, Kees Cook wrote: > > On Mon, Sep 10, 2018 at 9:41 AM, Kees Cook <[email protected]> wrote: > > On Mon, Sep 10, 2018 at 5:29 AM, Oleg Nesterov <[email protected]> wrote: > >> Hi Kees, > >> > >> I was thinking about backporting the commit 98da7d08850fb8bde > >> ("fs/exec.c: account for argv/envp pointers"), but I am not sure > >> I understand it... > > BTW, if you backport that, please get the rest associated with the > various Stack Clash related weaknesses:
may be... > da029c11e6b1 exec: Limit arg stack to at most 75% of _STK_LIM and I have to admit that I do not understand this patch at all, the changelog explains nothing. Could you explain what this patch actually prevents from? Especially now that we have stack_guard_gap? Oleg.

