linux-kernel - Re: [PATCH] drm/nouveau: Fix memory leak in nouveau_bo

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 10 Dec 2019 20:32:58 -0600
From:   Navid Emamdoost <navid.emamdoost@...il.com>
To:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        Ben Skeggs <bskeggs@...hat.com>
Cc:     Navid Emamdoost <emamd001@....edu>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/nouveau: Fix memory leak in nouveau_bo_alloc

ping ...

On Tue, Nov 26, 2019 at 11:50 AM Navid Emamdoost
<navid.emamdoost@...il.com> wrote:
>
> ping...
>
> On Thu, Nov 21, 2019 at 12:09 PM Navid Emamdoost
> <navid.emamdoost@...il.com> wrote:
> >
> > On Mon, Oct 21, 2019 at 4:14 PM Navid Emamdoost
> > <navid.emamdoost@...il.com> wrote:
> > >
> > > In the implementation of nouveau_bo_alloc() if it fails to determine the
> > > target page size via pi, then the allocated memory for nvbo should be
> > > released.
> > >
> > > Fixes: 019cbd4a4feb ("drm/nouveau: Initialize GEM object before TTM object")
> > > Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
> >
> > Would you please review this patch?
> >
> >
> > Thanks,
> > Navid.
> >
> > > ---
> > >  drivers/gpu/drm/nouveau/nouveau_bo.c | 4 +++-
> > >  1 file changed, 3 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
> > > index f8015e0318d7..18857cf44068 100644
> > > --- a/drivers/gpu/drm/nouveau/nouveau_bo.c
> > > +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
> > > @@ -276,8 +276,10 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 flags,
> > >                         break;
> > >         }
> > >
> > > -       if (WARN_ON(pi < 0))
> > > +       if (WARN_ON(pi < 0)) {
> > > +               kfree(nvbo);
> > >                 return ERR_PTR(-EINVAL);
> > > +       }
> > >
> > >         /* Disable compression if suitable settings couldn't be found. */
> > >         if (nvbo->comp && !vmm->page[pi].comp) {
> > > --
> > > 2.17.1
> > >
> >
> >
> > --
> > Navid.
>
>
>
> --
> Navid.



-- 
Navid.