From: Kees Cook <keescook@chromium.org>
To: Petr Skocik <pskocik@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Oleg Nesterov <oleg@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Marco Elver <elver@google.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/1] *** Fix kill(-1,s) returning 0 on 0 kills ***
Date: Tue, 22 Nov 2022 09:15:42 -0800 [thread overview]
Message-ID: <202211220913.AF86992@keescook> (raw)
In-Reply-To: <20221122161240.137570-1-pskocik@gmail.com>
On Tue, Nov 22, 2022 at 05:12:40PM +0100, Petr Skocik wrote:
> Hi. I've never sent a kernel patch before but this one seemed trivial,
> so I thought I'd give it a shot.
>
> My issue: kill(-1,s) on Linux doesn't return -ESCHR when it has nothing
> to kill.
It looks like LTP already tests for this, and gets -ESRCH?
https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/containers/pidns/pidns10.c
Does it still pass with your change?
--
Kees Cook
next prev parent reply other threads:[~2022-11-22 17:15 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-22 16:12 [PATCH 0/1] *** Fix kill(-1,s) returning 0 on 0 kills *** Petr Skocik
2022-11-22 16:12 ` [PATCH 1/1] Fix kill(-1,s) returning 0 on 0 kills Petr Skocik
2022-11-23 10:30 ` Oleg Nesterov
2022-11-23 11:20 ` Oleg Nesterov
2022-11-23 11:27 ` Petr Skocik
2022-11-23 11:56 ` Oleg Nesterov
2022-11-22 17:15 ` Kees Cook [this message]
2022-11-22 23:01 ` [PATCH 0/1] *** Fix kill(-1,s) returning 0 on 0 kills *** Petr Skocik
2023-08-09 12:27 ` Petr Skocik
2023-08-10 16:16 ` Eric W. Biederman
2023-08-10 21:30 ` Petr Skocik
2023-08-11 21:25 ` Eric W. Biederman
2023-08-11 22:16 ` [PATCH] signal: Fix the error return of kill -1 Eric W. Biederman
2023-08-14 14:06 ` Oleg Nesterov
2023-08-14 15:43 ` Oleg Nesterov
2023-08-15 14:47 ` David Laight
2023-08-15 15:11 ` Oleg Nesterov
2023-08-16 20:32 ` Eric W. Biederman
2023-08-16 21:06 ` Oleg Nesterov
2023-08-17 2:33 ` Eric W. Biederman
2023-08-17 4:37 ` Eric W. Biederman
2023-08-17 15:47 ` [PATCH] __kill_pgrp_info: simplify the calculation of return value Oleg Nesterov
2023-08-11 23:37 ` [PATCH 0/1] *** Fix kill(-1,s) returning 0 on 0 kills *** Petr Skocik
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