Kernel 2.6.30: Memory/XFS leak, OOM killer kills many processes

[Justin Piszcz]

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.