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Fri, 30 Oct 2026 03:18:56 -0700 (PDT) Received: from localhost ([2c0f:3d00:6be:8900:ce5e:9212:ea4b:f30]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e71b8a5a7sm2410452f8f.37.2026.10.30.03.18.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Oct 2026 03:18:55 -0700 (PDT) Date: Fri, 30 Oct 2026 13:18:52 +0300 From: Dan Carpenter To: Anthony Liu Cc: nbd@nbd.name, lorenzo@kernel.org, Sean.Wang@mediatek.com, Leon.Yen@mediatek.com, Quan.Zhou@mediatek.com, Ryder.lee@mediatek.com, litien.chang@mediatek.com, kun.wu@mediatek.com, jb.tsai@mediatek.com, emery.hsin@mediatek.com, linux-arm-kernel@lists.infradead.org, ingyujang25@korea.ac.kr, shayne.chen@mediatek.com, angelogioacchino.delregno@collabora.com, lucid_duck@justthetip.ca, matthias.bgg@gmail.com, eason.lai@mediatek.com, linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org, kernel test robot Subject: Re: [PATCH v2] mt76: fix buffer overrun in pkt buffer Message-ID: References: X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261030_031859_462634_3E59BE19 X-CRM114-Status: UNSURE ( 9.34 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" X-Spam-Status: No, score=-7.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Fri, Oct 30, 2026 at 05:05:54PM +0800, Anthony Liu wrote: > The last patch (d4e5ca3483a0) addresses mt7928 F/W 4 byte-aligment > requirement by reducing pkt buffer by 2 bytes, causing the chance > of buffer overrun. > > This patch reduces incoming skb length limit accordingly. > > Fixes: d4e5ca3483a0 ("wifi: mt76: mt7928: makes struct beacon_tlv 4-byte aligned.") > Signed-off-by: Anthony Liu > Reported-by: kernel test robot > Reported-by: Dan Carpenter > Reviewed-by: Dan Carpenter > Closes: https://lore.kernel.org/r/202610172141.mmRmGqow-lkp@intel.com/ > --- Thanks! regards, dan carpenter