kernel.org, davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, kafai@fb.com, weiwan@google.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, ajay.kaher@broadcom.com, alexey.makhalov@broadcom.com, vamsi-krishna.brahmajosyula@broadcom.com, yin.ding@broadcom.com, tapas.kundu@broadcom.com, Sasha Levin , Shivani Agarwal Subject: Re: [PATCH v5.10-v5.15 ] ipv6: use RCU in ip6_xmit() Message-ID: <2026020822-stable-slogan-8452@gregkh> References: <20260205074644.2091266-1-keerthana.kalyanasundaram@broadcom.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260205074644.2091266-1-keerthana.kalyanasundaram@broadcom.com> X-DKIM: signer='linuxfoundation.org' status='pass' reason='' DKIMCheck: Server passes DKIM test, 0 Spam score X-Spam-Score: 0.4 (/) X-Spam-Report: Spam detection software, running on the system "witcher.mxrouting.net", has performed the tests listed below against this email. Information: https://mxroutedocs.com/directadmin/spamfilters/ --- Content analysis details: (0.4 points) --- pts rule name description ---- ---------------------- ----------------------------------------- 0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [URIs: linuxfoundation.org] 1.5 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 RCVD_IN_DNSWL_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to DNSWL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#DnsBlocklists-dnsbl-block for more information. [172.234.253.10 listed in list.dnswl.org] -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender SpamTally: Final spam score: 4 On Thu, Feb 05, 2026 at 07:46:44AM +0000, Keerthana K wrote: > From: Eric Dumazet > > [ Upstream commit 9085e56501d93af9f2d7bd16f7fcfacdde47b99c ] > > Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent > possible UAF. > > Fixes: 4a6ce2b6f2ec ("net: introduce a new function dst_dev_put()") > Signed-off-by: Eric Dumazet > Reviewed-by: David Ahern > Link: https://patch.msgid.link/20250828195823.3958522-4-edumazet@google.com > Signed-off-by: Jakub Kicinski > Signed-off-by: Sasha Levin > Signed-off-by: Keerthana K > Signed-off-by: Shivani Agarwal > --- > net/ipv6/ip6_output.c | 35 +++++++++++++++++++++-------------- > 1 file changed, 21 insertions(+), 14 deletions(-) We need working versions for newer kernels first. Please resend this when you have submitted patches for the newer releases. thanks, greg k-h From - Sun Feb 08 15:06:27 2026 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: