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[73.19.52.228]) by smtp.gmail.com with ESMTPSA id a85sm21342417pfa.166.2019.04.22.00.52.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Apr 2019 00:52:16 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.8\)) Subject: Re: svn commit: r346530 - in head/sys: netinet netinet6 From: Enji Cooper In-Reply-To: <201904220727.x3M7ROpR009729@repo.freebsd.org> Cc: src-committers , svn-src-all , svn-src-head@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <2F3D6B17-AF4F-4B0F-B20E-5EF41DE851F9@gmail.com> References: <201904220727.x3M7ROpR009729@repo.freebsd.org> To: Hans Petter Selasky X-Mailer: Apple Mail (2.3445.104.8) Precedence: bulk X-Loop: FreeBSD.org Sender: owner-src-committers@freebsd.org X-Rspamd-Queue-Id: 4482276909 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.97 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.97)[-0.966,0]; REPLY(-4.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Status: O X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Tue, 03 Sep 2019 14:08:12 -0000 X-Original-Date: Mon, 22 Apr 2019 00:52:15 -0700 X-List-Received-Date: Tue, 03 Sep 2019 14:08:12 -0000 > On Apr 22, 2019, at 12:27 AM, Hans Petter Selasky = wrote: >=20 > Author: hselasky > Date: Mon Apr 22 07:27:24 2019 > New Revision: 346530 > URL: https://svnweb.freebsd.org/changeset/base/346530 >=20 > Log: > Fix panic in network stack due to memory use after free in relation = to > fragmented packets. >=20 > When sending IPv4 and IPv6 fragmented packets and a fragment is lost, > the mbuf making up the fragment will remain in the temporary hashed > fragment list for a while. If the network interface departs before = the > so-called slow timeout clears the packet, the fragment causes a panic > when the timeout kicks in due to accessing a freed network interface > structure. >=20 > Make sure that when a network device is departing, all hashed IPv4 = and > IPv6 fragments belonging to it, get freed. >=20 > Backtrace: > panic() > icmp6_reflect() >=20 > hlim =3D ND_IFINFO(m->m_pkthdr.rcvif)->chlim; > ^^^^ rcvif->if_afdata[AF_INET6] is NULL. >=20 > icmp6_error() > frag6_freef() > frag6_slowtimo() > pfslowtimo() > softclock_call_cc() > softclock() > ithread_loop() >=20 > Differential Revision: https://reviews.freebsd.org/D19622 > Reviewed by: bz (network), adrian > MFC after: 1 week > Sponsored by: Mellanox Technologies This commit broke the build on mips, etc: 07:36:06=20 --- ip_reass.o --- 07:36:06=20 /usr/src/sys/netinet/ip_reass.c:641: error: expected ')' before '(' = token 07:36:06 *** [ip_reass.o] Error code 1 EVENTHANDLER_DEFINE looks like it doesn=E2=80=99t work with gcc? Thanks, -Enji=