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SubjectRe: siginfo pid not populated from ptrace?
On Thu, Dec 6, 2018 at 2:43 PM Eric W. Biederman <> wrote:
> Kees Cook <> writes:
> > What should we do for v4.20? I need to have the selftests actually
> > passing. :)
> For v4.20 we need to do one of two things.
> 1) Present a plausible case that someone will could care about,
> we document it in the commit we can perform my earlier partial revert.

If SIGSTOP si_pid can't be used to determine who sent the signal
reliably even before, then I'm guessing we'll never see a real-world
case where this matters.

> 2) Remove the sanity check seccomp_bpf.c
> I really just want to ensure we have clear reasoning here.

I'll remove it for now and add a link to this conversation, in case
anyone else goes looking.


Kees Cook

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