linux-kernel - Re: [PATCH 3.2 63/87] ext4: fix memory leak in xattr

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Date:	Tue, 26 Nov 2013 03:52:55 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Dave Jones <davej@...hat.com>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	akpm@...ux-foundation.org, Eric Sandeen <sandeen@...hat.com>,
	Theodore Ts'o <tytso@....edu>,
	Dave Jones <davej@...oraproject.org>
Subject: Re: [PATCH 3.2 63/87] ext4: fix memory leak in xattr

On Mon, 2013-11-25 at 14:02 -0500, Dave Jones wrote:
> On Mon, Nov 25, 2013 at 01:44:29PM +0000, Ben Hutchings wrote:
>  > 3.2.53-rc1 review patch.  If anyone has any objections, please let me know.
>  > 
>  > --- a/fs/ext4/xattr.c
>  > +++ b/fs/ext4/xattr.c
>  > @@ -1269,6 +1269,8 @@ retry:
>  >  				    s_min_extra_isize) {
>  >  					tried_min_extra_isize++;
>  >  					new_extra_isize = s_min_extra_isize;
>  > +					kfree(is); is = NULL;
>  > +					kfree(bs); bs = NULL;
>  >  					goto retry;
>  >  				}
>  >  				error = -1;
> 
> There was a follow-on patch that frees the bh too.

I've only worked through cc'd changes up to 3.12 and that one is later,
so unless you think that's urgent I'll leave it to the next update.

Ben.

-- 
Ben Hutchings
Usenet is essentially a HUGE group of people passing notes in class.
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