[PATCH] xfs: fix a memory leak in xfs_get_acl on error

[Dave Chinner]

On Wed, Mar 30, 2016 at 04:35:07PM +0200, Mateusz Guzik wrote:
> Signed-off-by: Mateusz Guzik <mguzik at redhat.com>
> ---
>  fs/xfs/xfs_acl.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
> index 2dad2b5..ce10c4c 100644
> --- a/fs/xfs/xfs_acl.c
> +++ b/fs/xfs/xfs_acl.c
> @@ -162,10 +162,11 @@ xfs_get_acl(struct inode *inode, int type)
>  		 */
>  		if (error != -ENOATTR)
>  			acl = ERR_PTR(error);
> -		return acl;
> +		goto out;
>  	}
>  
>  	acl = xfs_acl_from_disk(xfs_acl, len, XFS_ACL_MAX_ENTRIES(ip->i_mount));
> +out:
>  	kmem_free(xfs_acl);
>  	return acl;
>  }

Hi Mateusz,

It looks like we've already fixed this problem - can you check
4.6-rc1 and if the leak is still there post an updated patch?

Cheers,

Dave.

-- 
Dave Chinner
david at fromorbit.com