linux-kernel - Re: siginfo pid not populated from ptrace?

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Message-ID: <20181112192443.GL3645@cisco>
Date:   Mon, 12 Nov 2018 12:24:43 -0700
From:   Tycho Andersen <tycho@...ho.ws>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Kees Cook <keescook@...omium.org>, Oleg Nesterov <oleg@...hat.com>,
        linux-kernel@...r.kernel.org
Subject: Re: siginfo pid not populated from ptrace?

On Mon, Nov 12, 2018 at 11:55:38AM -0700, Tycho Andersen wrote:
> I haven't manage to reproduce it on stock v4.20-rc2, unfortunately.

Ok, now I have,

seccomp_bpf.c:2736:global.syscall_restart:Expected getpid() (1493) == info._sifields._kill.si_pid (0)
global.syscall_restart: Test failed at step #22

That line number should match up with v4.20-rc2, but it's in a
different point in the test than the first failure I reported.

Tycho