linux-kernel - Re: [PATCH 1/2] treewide: fix memory corruptions when TASK_COMM

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Message-Id: <20120223093027.7dfc90e3.akpm@linux-foundation.org>
Date:	Thu, 23 Feb 2012 09:30:27 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jan Engelhardt <jengelh@...ozas.de>
Cc:	linux-kernel@...r.kernel.org, linux-btrfs@...r.kernel.org
Subject: Re: [PATCH 1/2] treewide: fix memory corruptions when TASK_COMM_LEN
 != 16

On Thu, 23 Feb 2012 12:19:28 +0100 (CET) Jan Engelhardt <jengelh@...ozas.de> wrote:

> 
> On Thursday 2012-02-23 10:57, Andrew Morton wrote:
> >>
> But there's more,
> >> 
> >> 24931 ?        S      0:00  \_ [btrfs-endio-met]
>                                \_ [kconservative/5]
>                                \_ [ext4-dio-unwrit]
> >> 
> >> [with a wondersome patch:] $ grep Name /proc/{29431,29432}/stat*
> >> /proc/29431/status:Name: btrfs-endio-meta-1
> >> /proc/29432/status:Name: btrfs-endio-meta-write-1
>                       Name: kconservative/512
>                       Name: ext4-dio-unwritten
> >
> >doh.  The fix for that is to have less clueless btrfs developers.
> 
> And truncate their names to SUNWbtfs, ORCLintg and EXT4diou?
> I think not :)

Teach ps(1) to look in /proc/pid/status for kernel threads?
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