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Message-ID: <87ilwonj0c.fsf@email.froward.int.ebiederm.org>
Date: Fri, 19 Nov 2021 11:38:11 -0600
From: ebiederm@...ssion.com (Eric W. Biederman)
To: Kyle Huey <me@...ehuey.com>
Cc: linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
Oleg Nesterov <oleg@...hat.com>,
Al Viro <viro@...IV.linux.org.uk>, linux-api@...r.kernel.org,
Kees Cook <keescook@...omium.org>,
Robert O'Callahan <rocallahan@...il.com>
Subject: Re: [PATCH 6/6] coredump: Limit coredumps to a single thread group
Kyle Huey <me@...ehuey.com> writes:
>> Solve this by making a userspace visible change to only kill a single
>> process/thread group. [...] With LinuxThreads long gone I don't
>> expect anyone to have a notice this behavior change in practice.
>
> FWIW rr's test suite does have an explicit test that we correctly record and
> replay the old behavior. We don't actually care what that behavior is though,
> so we will update our tests.
Thanks. I am keep being afraid someone will have a program where it
actually matters. But so far so good.
Eric
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