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[75.218.193.33]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1831acba710sm49618023c88.13.2026.10.20.06.53.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Oct 2026 06:53:45 -0700 (PDT) Message-ID: <520e2454-a0bb-45f7-b604-62492eb15a1d@oss.qualcomm.com> Date: Tue, 20 Oct 2026 06:53:44 -0700 X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/4] wifi: ath11k/ath12k: validate firmware array lengths To: jiale yao <19888972804@163.com>, Jeff Johnson , John Crispin , linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, linux-kernel@vger.kernel.org, ath12k@lists.infradead.org Cc: Jiale Yao References: <20261019100029.1908660-1-yaojiale02@163.com> From: Jeff Johnson Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: r5BDxlD5iSAt1Tr-lUqZpKM9BdeoVU90 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIwMDA1NSBTYWx0ZWRfXxmqK9XiLOwTq DwetotgmoBdOSSj09jjX4mD/P9OqAv8Try/wP4ZN/4cm8m6cqf6udg/siesIX4S6FloNSndErpW 8dEnrWWirRZnxtsI22aZw/MuGy6b3Xo= X-Proofpoint-ORIG-GUID: r5BDxlD5iSAt1Tr-lUqZpKM9BdeoVU90 X-Authority-Analysis: v=2.4 cv=A5z5rKWG c=1 sm=1 tr=0 ts=6ad7726c cx=c_pps a=PfFC4Oe2JQzmKTvty2cRDw==:117 a=AnolQpdaNwb4XK4FG+QP+g==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=VwQbUJbxAAAA:8 a=Byx-y9mGAAAA:8 a=A1X0JdhQAAAA:8 a=FdzspUwgXfhqtPi2OHsA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=6Ab_bkdmUrQuMsNx7PHu:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIwMDA1NSBTYWx0ZWRfXzRKs6IRBlxl6 ToMppALdS3zAsK6eUMuloInvEi/L6426ZZ8Fp73f6tj7imHx7/hkl+rTWmMR6nkQSKJ3JQ6+0rj JemlUZhS3u7kHVCWB8TbgQOV2JZy1ovaXk/oIRnhbSawIa5cjP9AZfThwFoH0i4dS/hMEZAQgE1 lygNNTHkJGP8ymTnp+1LhdbLV/zirMGqdup4cM5BMKIukwnTjRccPXco1kdWFuLeQ2MdXT4zC7c nE2FqilnThLHV7bzZai+DlhfCKcGOPv1+OUlLjm+qeA44YLtZknyg1bJ7XPb5/4ySy3hkCQJssI N/8XuWco+6dxmJAO6GYkLskk6Pj1rUyccVTK3j+Hs8EBSZ4Pa87E47GMl5KLwsQQCpvgi3M356s UBDu2+JURcb3gZan4sjBPZVOEhfPrdudwoJSLQE3aUK3lEERxnTfpY1OwoNT5t/rSPs16kCArC2 CrhmhhdN8KfCQ9h/s6Q== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-20_02,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 adultscore=0 priorityscore=1501 suspectscore=0 phishscore=0 spamscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610200055 On 10/19/2026 7:19 PM, jiale yao wrote: > This patch series is superseded — please ignore it due to the incorrect sender name. > New one is https://lore.kernel.org/lkml/20261019100506.1915181-1-yaojiale02@163.com Please do not top post and don't send HTML e-mail since it is rejected by the mailing lists. Please make sure you understand Linux Kernel e-mail etiquette. You are close to going on my ignore list... /jeff > At 2026-10-19 18:00:25, "Jiale Yao" wrote: >> From: Jiale Yao >> >> ath11k and ath12k consume two firmware-provided arrays without fully >> validating their lengths. The service-ready-ext parser accepts fewer >> extended regulatory capability entries than the separately reported PHY >> count, while the ready-event parser trusts the reported extra MAC address >> count without checking the fixed-structure array length. >> >> Malformed firmware data can therefore make both drivers read beyond the >> corresponding TLV arrays. Add matching validation to each driver before >> the arrays are indexed. >> >> The four patches are independent and each addresses one parsing path in >> one driver. >> >> Jiale Yao (4): >> wifi: ath11k: validate extended regulatory capability count >> wifi: ath12k: validate extended regulatory capability count >> wifi: ath11k: validate ready event MAC address array length >> wifi: ath12k: validate ready event MAC address array length >> >> drivers/net/wireless/ath/ath11k/wmi.c | 10 ++++++++++ >> drivers/net/wireless/ath/ath12k/wmi.c | 10 ++++++++++ >> 2 files changed, 20 insertions(+) >> >> -- >> 2.34.1