linux-kernel - Re: [PATCH][next] drm/v3d: fix double free of bin

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Date:   Fri, 25 Oct 2019 14:58:20 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Colin King <colin.king@...onical.com>,
        Eric Anholt <eric@...olt.net>, David Airlie <airlied@...ux.ie>,
        Navid Emamdoost <navid.emamdoost@...il.com>,
        Iago Toral Quiroga <itoral@...lia.com>,
        dri-devel@...ts.freedesktop.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] drm/v3d: fix double free of bin

On Thu, Oct 24, 2019 at 02:38:53PM +0200, Daniel Vetter wrote:
> On Thu, Oct 24, 2019 at 11:48:01AM +0100, Colin King wrote:
> > From: Colin Ian King <colin.king@...onical.com>
> > 
> > Two different fixes have addressed the same memory leak of bin and
> > this now causes a double free of bin.  While the individual memory
> > leak fixes are fine, both fixes together are problematic.
> > 
> > Addresses-Coverity: ("Double free")
> > Fixes: 29cd13cfd762 ("drm/v3d: Fix memory leak in v3d_submit_cl_ioctl")
> > Fixes: 0d352a3a8a1f (" rm/v3d: don't leak bin job if v3d_job_init fails.")
> > Signed-off-by: Colin Ian King <colin.king@...onical.com>
> 
> That sounds like wrong merge resolution somewhere, and we don't have those
> patches merged together in any final tree yet anywhere. What's this based
> on?
> -Daniel

linux-next.

I sent this fix to you and Stephen Rothwell yesterday so this one is
sorted already.  Stephen will apply my patch until you guys merge your
drm trees.

regards,
dan carpenter