linux-kernel - Re: Kernel 2.6.30: Memory/XFS leak, OOM killer kills many processes

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Message-ID: <alpine.DEB.2.00.0906120420080.26259@p34.internal.lan>
Date:	Fri, 12 Jun 2009 04:37:32 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	Felix Blyakher <felixb@....com>
cc:	Eric Sandeen <sandeen@...deen.net>, linux-kernel@...r.kernel.org,
	xfs@....sgi.com
Subject: Re: Kernel 2.6.30: Memory/XFS leak, OOM killer kills many
 processes



On Thu, 11 Jun 2009, Felix Blyakher wrote:

>
> On Jun 11, 2009, at 12:31 PM, Eric Sandeen wrote:
>
>> Justin Piszcz wrote:
>>> 
>>> On Thu, 11 Jun 2009, Justin Piszcz wrote:
>>> 
> The following should fix it:
>
> diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
> index 4b0f6ef..7928b99 100644
> --- a/fs/xfs/xfs_bmap.c
> +++ b/fs/xfs/xfs_bmap.c
> @@ -6086,6 +6086,7 @@ xfs_getbmap(
>                      break;
>      }
>
> +       kmem_free(out);
>      return error;
> }
>
>
> Felix

Just FYI if anyone tries to run the patch it will not work:

# patch -p1 < ../xfs.patch 
patching file fs/xfs/xfs_bmap.c
patch: **** malformed patch at line 11: }

So just goto line ~6086 and add the kmem_free(out); above the return 
error.

Status:
This patch fixes the problem, thanks!

Justin.

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