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[75.218.193.33]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2df6a516d8asm28253165ad.9.2026.09.24.07.35.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Sep 2026 07:35:30 -0700 (PDT) Message-ID: <6de23f77-4090-4093-94d7-0f5482e4b495@oss.qualcomm.com> Date: Thu, 24 Sep 2026 07:35:28 -0700 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: Kang Yang , ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org References: <20260916060325.854-1-kang.yang@oss.qualcomm.com> From: Jeff Johnson Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: SLUgAy0C-aQzIeGESEQh4wVB3kLxVMvz X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTI0MDA2MCBTYWx0ZWRfX8kKEqwrJazyS ynh/aEfXc3UGFwEFXO4h3HYrqgXZiFk9OUCJ34UpRAfmGajDUVwVDurt5qxadOGgxAArBaCM9Gu aUq6Dla/RLkiIryrLzqsAu76K2c8+tFO8/uJryqLWxUGNxqqlvqbD/f+aC5zw1o4vXO/hQRu+29 7d8HTIb9amcZttBA/dl9gm3q5Knu49UP5r6qgEgAe9jNoudSia/dHGZZ7Rz2xxigfz88Pa88lsV dina/MypHgeKshttwATIFwhOzTcwZxA1b5IXBqIlYg2qlWppebhmPgPp+QJxnaFTGnAksXXnwfn y+6UwlJe6PoRRMSzF52IesSLFe7j2ltW7xzn5DDFX2IenBA/M23VCC/vE+El2iqnyQorQNxBlEM vSnJxqaq9JDBJIKAQsEUT1lJXMD8Dfx/V9f047RrkX8jIGgMZBButSxWhFaiFYQo4K08vVNQ2Wk rmZKqCgR4wyJn5OAO4g== X-Authority-Analysis: v=2.4 cv=cK11IVeN c=1 sm=1 tr=0 ts=6ab53534 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=AnolQpdaNwb4XK4FG+QP+g==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=HSTN1gPS3U9pUldlOVIA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-GUID: SLUgAy0C-aQzIeGESEQh4wVB3kLxVMvz X-Proofpoint-Spam-Info: AW1haW4tMjYwOTI0MDA2MCBTYWx0ZWRfXyWhZ3MokhCAw vbkcyK5z90UfDvSdkoI84LBx1Q6mwHyj8xdkxQcfnhC5o0adyf+M3OChHB3fl+QQNXdJyo/K1TV RJ3fDFhvbhKOl1Alz3B7+Sz6XaQ3z3s= 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_03,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 spamscore=0 malwarescore=0 phishscore=0 adultscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609240060 On 9/24/2026 12:48 AM, Kang Yang wrote: > > > 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? 😀 If you check patchwork using the Message-id of the individual patches (not the cover letter) you'll see the status is Under Review which means it is under active review. For example: https://patchwork.kernel.org/project/linux-wireless/patch/20260916060325.854-2-kang.yang@oss.qualcomm.com/ Patches transition to that state when they are placed in my pending branch. For best results when using patchwork you'll need to create an account and log in since anonymous access has been severely restricted due to abuse by LLM scraping robots. /jeff