Re: [PATCH] coredump: fix unfreezable coredumping task

From: Andrew Morton
Date: Mon Nov 07 2016 - 17:26:19 EST


On Fri, 30 Sep 2016 11:50:34 +0300 Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

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.