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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20230613111505.249ccb18@kernel.org> References: <20230613111505.249ccb18@kernel.org> <000000000000ae4cbf05fdeb8349@google.com> To: Jakub Kicinski Cc: dhowells@redhat.com, syzbot , bpf@vger.kernel.org, davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [net?] KASAN: stack-out-of-bounds Read in skb_splice_from_iter MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <920481.1686681922.1@warthog.procyon.org.uk> Date: Tue, 13 Jun 2023 19:45:22 +0100 Message-ID: <920483.1686681922@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable 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 Jakub Kicinski wrote: > Hi David, are you fighting all these fires reported by syzbot? > I see another one just rolled in from yesterdays KCM changes. I'm trying to pin down a bug in the old DIO code whilst attending the AFS Workshop. I'll get to the sendpage reports in a bit. I think a bunch of them are probably the same issue in AF_ALG hashing. They do at least have reproducers. David