linux-kernel - Re: [PATCH] core_pattern: Add ability for core_pattern to parse arguments when pattern is a pipe

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Message-Id: <20070726114832.faf14bb0.akpm@linux-foundation.org>
Date:	Thu, 26 Jul 2007 11:48:32 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Neil Horman <nhorman@...driver.com>
Cc:	linux-kernel@...r.kernel.org, wwoods@...hat.com
Subject: Re: [PATCH] core_pattern: Add ability for core_pattern to parse
 arguments when pattern is a pipe

On Thu, 26 Jul 2007 13:40:19 -0400 Neil Horman <nhorman@...driver.com> wrote:

> 	Currently, core dumps can be redirected to a pipe by placing the
> following string template in /proc/sys/kernel/core_pattern:
> |<path/to/application>
> This patch extends this ability, allowing the core_pattern to contain arguments
> to be passed as an argv array to the userspace helper application.  It also add
> a format specifier, %c, which allows the RLIM_CORE value of the crashing
> application to be passed on the command line, since RLIMIT_CORE is reduced to
> zero when execing the userspace helper

This all seems to be getting a bit nutty.  Who needs this feature
and what will they do with it, etc?

You have a few open-coded kstrdup()s in there, btw.  And an open-coded
free_argv_array() on the error path.  And a lot of checkpatch warnings.
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