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Tue, 10 Dec 2019 14:11:03 -0800 (PST) Received: from ziepe.ca ([217.140.111.136]) by smtp.gmail.com with ESMTPSA id t7sm64608otk.6.2019.12.10.14.11.03 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 10 Dec 2019 14:11:03 -0800 (PST) Received: from jgg by LT-JGG-7470.mtl.com with local (Exim 4.90_1) (envelope-from ) id 1ienif-00002g-QL; Tue, 10 Dec 2019 18:11:01 -0400 Date: Tue, 10 Dec 2019 18:11:01 -0400 From: Jason Gunthorpe To: syzbot Cc: akpm@linux-foundation.org, ast@kernel.org, boqun.feng@gmail.com, byungchul.park@lge.com, daniel@iogearbox.net, davem@davemloft.net, dledford@redhat.com, kernel-team@lge.com, kirill@shutemov.name, kuznet@ms2.inr.ac.ru, leon@kernel.org, leonro@mellanox.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-rdma@vger.kernel.org, mingo@kernel.org, netdev@vger.kernel.org, npiggin@gmail.com, parav@mellanox.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, torvalds@linux-foundation.org, walken@google.com, willy@infradead.org, yoshfuji@linux-ipv6.org Subject: Re: KASAN: slab-out-of-bounds Read in ip6_tnl_parse_tlv_enc_lim Message-ID: <20191210221101.GA147@ziepe.ca> References: <0000000000005175bf057617c71d@google.com> <000000000000e22b3c059960bebd@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000e22b3c059960bebd@google.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 10, 2019 at 02:08:01PM -0800, syzbot wrote: > syzbot suspects this bug was fixed by commit: > > commit 30471d4b20335d9bd9ae9b2382a1e1e97d18d86d > Author: Leon Romanovsky > Date: Sun Feb 3 12:55:50 2019 +0000 > > RDMA/core: Share driver structure size with core > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16b7bb7ae00000 > start commit: 3a5af36b Merge tag '4.19-rc3-smb3-cifs' of git://git.samba.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=9c4a80625153107e > dashboard link: https://syzkaller.appspot.com/bug?extid=68dce7caebd8543121de > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1068a44e400000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=146386c6400000 > > If the result looks correct, please mark the bug fixed by replying with: > > #syz fix: RDMA/core: Share driver structure size with core > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection Seems pretty unlikely Jason