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[217.229.21.163]) by smtp.gmail.com with ESMTPSA id o12-v6sm3408583wrj.58.2018.09.24.03.49.19 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 24 Sep 2018 03:49:19 -0700 (PDT) Date: Mon, 24 Sep 2018 12:49:18 +0200 From: Thierry Reding To: Dmitry Osipenko Cc: Jonathan Hunter , Joerg Roedel , Rob Herring , Robin Murphy , iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 14/20] iommu/tegra: gart: Fix NULL pointer dereference Message-ID: <20180924104918.GK21032@ulmo> References: <20180924004153.8232-1-digetx@gmail.com> <20180924004153.8232-15-digetx@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="HTLCc13+3hfAZ6SL" Content-Disposition: inline In-Reply-To: <20180924004153.8232-15-digetx@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --HTLCc13+3hfAZ6SL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Sep 24, 2018 at 03:41:47AM +0300, Dmitry Osipenko wrote: > Fix NULL pointer dereference on IOMMU domain destruction that happens > because clients list is being iterated unsafely and its elements are > getting deleted during the iteration. >=20 > Signed-off-by: Dmitry Osipenko > --- > drivers/iommu/tegra-gart.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Acked-by: Thierry Reding --HTLCc13+3hfAZ6SL Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAluowS4ACgkQ3SOs138+ s6Grfg//c9yfUiHhqdvAXDb1PLAB6NcalmJ+iGpEHaw6mo2Rd9rLP7dQOH4dPzR+ VSTWAoWcEj7SsneuIIejLqnjU9jrRoamhWhkiRwjJG2mVQUr/16En3I+7GgDpYg4 Omoru9USR+59HYYledJeued+SHdQOzXn6M/nMtMZkOoW9gUEeusSgwFlS831qndH ksT9Q1eqtt/yLPXv4veqotexa14DOemfT/e26ONn3mghtewbx+0hsI85MI0JeyRa 2UQeZS8N2VttVgStHV8mqHp5gFn/CcWLzRPeBlCTgbHJUX2RKfy9dmN6SButNYom n+64LrHzUZ+qZOpYpGMsb5d5DiTU2SJE9yoUsQ5i1m7a7+7LZCUE74griM+QXyk4 LRqiVtQ9+8pORu2PrjjOx1QSUXEhkMl2ZQ+/VnpOtpeRKp/ClaOHQuHdyxPZewMb 0gypg6OIYxr1aA7uC8NtfUC4QsLRilZpwvnqqqpO3imuV4RBhMpVrSZObTTyCkhx v39X9S0pDxJ3OWMd68Xd53V1/Y33HWYo977JKJ6/+mu2GNhw4dJbipTldcz1AMBY y6Wkhu89wOcWGZMVvCmhfOE2Jqmpn67zWxQEv4ZYVZBW0H4CKX8goDbJvRJM5qvb Teme9+YYPKEb/kwpKpMuox/u4+h1MUhJFZXbsLkhgyXrxrEHNtU= =ZzrS -----END PGP SIGNATURE----- --HTLCc13+3hfAZ6SL--