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Sat, 02 May 2026 10:05:10 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-44a986aaad6sm11422643f8f.28.2026.05.02.10.05.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 02 May 2026 10:05:09 -0700 (PDT) Date: Sat, 2 May 2026 20:05:05 +0300 From: Dan Carpenter To: oe-kbuild@lists.linux.dev, Tristan Madani , Johannes Berg Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, libertas-dev@lists.infradead.org, linux-wireless@vger.kernel.org, Tristan Madani Subject: Re: [PATCH v3 2/2] wifi: libertas: fix OOB read from firmware bssdescriptsize in scan response Message-ID: References: <20260421135027.357622-3-tristmd@gmail.com> <202605030019.lL8x0ZPx-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202605030019.lL8x0ZPx-lkp@intel.com> On Sat, May 02, 2026 at 08:02:39PM +0300, Dan Carpenter wrote: > Hi Tristan, > > kernel test robot noticed the following build warnings: > > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Tristan-Madani/wifi-libertas-fix-OOB-read-from-firmware-pkt_ptr-offset-in-RX-path/20260423-061353 > base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main > patch link: https://lore.kernel.org/r/20260421135027.357622-3-tristmd%40gmail.com > patch subject: [PATCH v3 2/2] wifi: libertas: fix OOB read from firmware bssdescriptsize in scan response > config: i386-randconfig-141 (https://download.01.org/0day-ci/archive/20260503/202605030019.lL8x0ZPx-lkp@intel.com/config) ^^^^^^^^^^^^^^^^^^^ Of course, it can't wrap on 64 bit systems. But just do if (size_add(le32_to_cpu(p_rx_pd->pkt_ptr), sizeof(struct rxpackethdr)) > skb->len) { I don't know if anyone uses this hardware on 32 bit systems but we may as well do it right. regards, dan carpenter