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[146.241.243.142]) by smtp.gmail.com with ESMTPSA id c8-20020a056000184800b002040e925afasm23990873wri.59.2022.03.31.06.20.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Mar 2022 06:20:25 -0700 (PDT) Message-ID: <78917523440153533f0b5aad533a96d0f7c27916.camel@redhat.com> Subject: Re: [PATCH net] rxrpc: fix some null-ptr-deref bugs in server_key.c From: Paolo Abeni To: David Howells Cc: netdev@vger.kernel.org, Xiaolong Huang , Marc Dionne , linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org Date: Thu, 31 Mar 2022 15:20:24 +0200 In-Reply-To: <3114597.1648729013@warthog.procyon.org.uk> References: <4de651adc35341c5fa99db54b9295d4845648563.camel@redhat.com> <164865013439.2941502.8966285221215590921.stgit@warthog.procyon.org.uk> <3114597.1648729013@warthog.procyon.org.uk> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 (3.42.4-1.fc35) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2022-03-31 at 13:16 +0100, David Howells wrote: > Paolo Abeni wrote: > > > It looks like we can add a couple of fixes tag to help stable teams: > > > > Fixes: d5953f6543b5 ("rxrpc: Allow security classes to give more info on server keys") > > Not this one. This includes a check for the one op it adds: > > + if (sec && sec->describe_server_key) > + sec->describe_server_key(key, m); > > > > Fixes: 12da59fcab5a ("xrpc: Hand server key parsing off to the security class") > > There's a missing 'r' in "rxrpc:" in the patch subject, but otherwise this one > looks like the right one. Thank you for double-checking. No need to repost, I'll add the tag while applying it. Cheeers, Paolo