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Mon, 19 Oct 2026 05:21:57 -0700 (PDT) X-Received: by 2002:a05:600c:4e03:b0:49c:fa20:cbfc with SMTP id 5b1f17b1804b1-4a1d75ffbdamr177430755e9.19.1792412516569; Mon, 19 Oct 2026 05:21:56 -0700 (PDT) Received: from redhat.com ([2a0d:6fc0:3fd7:5300:3d6b:52a4:a23f:9d0b]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a1c8a81587sm524058155e9.1.2026.10.19.05.21.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Oct 2026 05:21:55 -0700 (PDT) Date: Mon, 19 Oct 2026 08:21:52 -0400 From: "Michael S. Tsirkin" To: netdev-bot+sinfo@kernel.org Cc: linux-kernel@vger.kernel.org, Willem de Bruijn , Chris Arges , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Phil Sutter , Jason Wang , Eugenio =?iso-8859-1?Q?P=E9rez?= , Xuan Zhuo , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, virtualization@lists.linux.dev, Max Krasnyansky , Rusty Russell Subject: Re: [PATCH net v3 0/8] more virtio-net csum hardening Message-ID: <20261019081218-mutt-send-email-mst@kernel.org> References: <179241175916.3290.3107334544259481724@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@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: <179241175916.3290.3107334544259481724@kernel.org> On Mon, Oct 19, 2026 at 12:09:19PM +0000, netdev-bot+sinfo@kernel.org wrote: > Hi! > > This is an automated message. This series looks like a fix, but its > commit messages seem to be missing some information: > > - Whether the issue was actually triggered, or is only theoretical > (e.g. found by code inspection). If it was triggered please include > the symptoms, like the stack trace or error messages. > > Please do not repost the series just to address the above. Instead, > reply to this email with the missing information, so that reviewers > can take it into account. If the series needs another revision for > other reasons, please include the information in the commit messages > then. > > The evaluation is done by an LLM so it may be wrong, if you think > that is the case please reply and explain. To answer the question, the virtio header is checked at input by Eric's patch. I'm not aware of a way to bypass that, but given the amount of pain and work this is causing, it seems prudent to validate at several levels. Patch 4 is a bugfix - i reproduced it easily but it is not normally encountered in the field - the combination is non practical. -- MST