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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a0974ec5d0sm3627575a91.4.2026.09.24.00.48.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Sep 2026 00:48:29 -0700 (PDT) Message-ID: Date: Thu, 24 Sep 2026 15:48:26 +0800 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH ath-next 0/6] wifi: ath12k: fix monitor RX buffer lifecycle issues To: ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org References: <20260916060325.854-1-kang.yang@oss.qualcomm.com> Content-Language: en-US From: Kang Yang In-Reply-To: <20260916060325.854-1-kang.yang@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: DWUibZ4htuIcKjK3ddvQ-xs3tkeLfzDQ X-Proofpoint-ORIG-GUID: DWUibZ4htuIcKjK3ddvQ-xs3tkeLfzDQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTI0MDAzMiBTYWx0ZWRfX9ihXrudFyd7i shIQqrsc3HwJccSpTz5gEkyUI3g7WwqmtQAbvZ81NZJcCCYxKzX01fXIevIJ2FfooqIcVa1xV81 07g9WnEA9/zbd8iRg2Tbgp7gXgIfJExM/pz6iWSiFHENQRvj/z6OTuhDw6lRdqepdngWUVRZ/tj qYIIHRsdNtwLvMilQUEwWDNrOfQhX9Y+f4zo/3/EMau6utaVKS+ikfIJ4IzqD/neQjw7FfBIHjK 2L7maRZf4orkfapjcsvT6Dno1eOD8C2OaQJZeu5Y5+28OfYIIW2uau+6BeCGJoHzSkB6DqpRqRa I3Gx3/mDJvIUMahXVWrbvNWi9V2L4TdXE1JiAEs2fzHOxN61xCUhtUre/AI7OdE709MWuDKKD8C 272z8AjvoQdLxlLaeHZqGh3NR+gjAK4p5UfBbrJXEFUuQjTA5vH7p5asircFE6Gh/3tRrjPx67f kB4TbIiH6YvAUkxWbZw== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTI0MDAzMiBTYWx0ZWRfX9ter/QrfB/Xc r1Gn+7dp1Xha6UyVikFZqQjSbepb21U5XZ5s0m6KrCn7+8cvUbBypkBJEMK2XVqRAHlhSA55Rs8 WVXYsx81sQCL6o1C1qdbtigbAik7zZs= X-Authority-Analysis: v=2.4 cv=f7vdl+yM c=1 sm=1 tr=0 ts=6ab4d5cf cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=jeZ2dEGWif2cJ8v1hNMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 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=2026-09-24_02,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 lowpriorityscore=0 suspectscore=0 spamscore=0 bulkscore=0 impostorscore=0 adultscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609240032 On 9/16/2026 2:03 PM, Kang Yang wrote: > This series fixes several monitor RX buffer management bugs in the > monitor destination path. > > The fixes address leaked skb buffers, stale monitor descriptor state, > object lifetime issues, and incorrect DMA unmap handling observed in > various error and corner cases. > > Kang Yang (6): > wifi: ath12k: fix skb leak on paddr mismatch in wifi7 mon RX pop > wifi: ath12k: free pending MSDUs on duplicate mon link descriptor > wifi: ath12k: fix stale tail_msdu pointer returned from mpdu_pop > wifi: ath12k: place dp_mon_mpdu on stack in mon dst reap loop > wifi: ath12k: fix skb leak on monitor PPDU ID wraparound > wifi: ath12k: avoid double DMA unmap of held monitor RX buffers > > drivers/net/wireless/ath/ath12k/dp.c | 9 +++---- > drivers/net/wireless/ath/ath12k/dp_mon.c | 15 ++++++------ > drivers/net/wireless/ath/ath12k/dp_mon.h | 2 +- > .../net/wireless/ath/ath12k/wifi7/dp_mon.c | 24 +++++++++---------- > 4 files changed, 24 insertions(+), 26 deletions(-) > > > base-commit: c3bace8584ca707e34ba837f65c2e9d566af4c2c Hi，jeff, do you have any comments? 😀