Re: [PATCH] coredump: fix unfreezable coredumping task

From	Andrew Morton <akpm@linux-foundation.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] coredump: fix unfreezable coredumping task
Date	2016-11-07 23:30 +0100
Message-ID	<sB0Ap-Uf-19@gated-at.bofh.it> (permalink)
References	<sn5qh-1QC-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri, 30 Sep 2016 11:50:34 +0300 Andrey Ryabinin <aryabinin@virtuozzo.com> wrote:

> It could be not possible to freeze coredumping task when it waits
> for 'core_state->startup' completion, because threads are frozen
> in get_signal() before they got a chance to complete 'core_state->startup'.
> 
> Use freezer_do_not_count() to tell freezer to ignore coredumping
> task while it waits for core_state->startup completion.
> 
> Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
> Cc: stable@vger.kernel.org

The changelog provides no reason why this patch should be merged into
-stable.  Nor into anything else, really.

Please (as always) provide a full description of the bug's end-user
visible effects.

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Re: [PATCH] coredump: fix unfreezable coredumping task Andrew Morton <akpm@linux-foundation.org> - 2016-11-07 23:30 +0100

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