From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: Leak in ipv6_gso_segment()? Date: Wed, 31 May 2017 13:26:02 +0100 Message-ID: <1496233562.3992.10.camel@decadent.org.uk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-qkhkTFbj+jav1IoWI6Vo" Cc: netdev To: Craig Gallek , "David S. Miller" Return-path: Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:54025 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751164AbdEaM0V (ORCPT ); Wed, 31 May 2017 08:26:21 -0400 Sender: netdev-owner@vger.kernel.org List-ID: --=-qkhkTFbj+jav1IoWI6Vo Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable If I'm not mistaken, ipv6_gso_segment() now leaks segs if ip6_find_1stfragopt() fails. I'm not sure whether the fix would be as simple as adding a kfree_skb(segs) or whether more complex cleanup is needed. Ben. --=20 Ben Hutchings Lowery's Law: =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0If it jams, force it. If it= breaks, it needed replacing anyway. --=-qkhkTFbj+jav1IoWI6Vo Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEErCspvTSmr92z9o8157/I7JWGEQkFAlkutloACgkQ57/I7JWG EQlD6hAAmc5jKxYV9/UlGZg6rLhm1aD9KGxRl4LVTbxJXCQucTH+VgU9f7TLfS2y k5tSv1gzcjydyKj1Hk2HeZsuB001wWEr7ncJhV86K5YCDm5p9GCQxQC5CgqV7krN PpsbBQKQLa9TjNKjXI+NrItG3xpJ/GIoc1wKOAX4I46RI/PR2w/IFe467pewEOmF N79xBsnYi3WXLAImK1rRcXyXDGTiOF4Hsz5XKjkGxpk5v/JE7ESl4l2WO46DQBUq HTrOtB1H4NRGe16vJU8GOkp4x/b5s7/4rAYaRtLElzSkP6MF5Qi53ihY5FDuRiVI sPw19eNjeaZ7VQbRBYwNN5SzRVIvpH+ZKT5hlDy/L1tXdHQC6pZe1SKIdAtLuQ4j 3eNUF3fu3fmGVa4Uwe46loJSg/YnX2uZTKzh+O5HV4TSJI0+nisJnO53Hpyv4xMR eSLs6g+h+DzbALNN4QKH1VAzL9F2uJi54N7rShw3U+XfwIilKB0H7F/cpAltDDsG g8Bn80QqXhHcFwVtuvU7e+ZMzEMEyiiMsJF7wlL6sOVnsh1XmfC8n9gQQhOvZ1Ti Z4j8gkUQtKVtpFGut62FTIpiNMTokZ41UFrpJXqpg2/9POW7Dj3W9u7RRY0jyiSo M+lwqNu0TcWieKrwv/i35nrygZt4+zCSoLBfVWm5PymSqm50MTE= =xKK4 -----END PGP SIGNATURE----- --=-qkhkTFbj+jav1IoWI6Vo--