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To: Willmar Knikker , jjohnson@kernel.org Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org References: <20260505171709.547274-1-willmar@met-dubbel-l.nl> Content-Language: en-US From: Rameshkumar Sundaram In-Reply-To: <20260505171709.547274-1-willmar@met-dubbel-l.nl> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: P3Mkmg9TaiOFsoESCyxSLz6RkVFTW9w4 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA2MDAzNyBTYWx0ZWRfX9ikDbDsxO6Nv EZdBxx/SgVRrGrJTWlKcXz+A5c4si0z6tnj/Acy34tWHlKfcU4Rb9RGnkSF+eybu4/OMzswEBaQ PuB7ygNLZVuJ6Q+iWxXeFit5kkSmpXk7dd0gtjs6f+knkpYlLRJsJJqsbjgfdiRxqSDvD3GZAMq hiwBRQq/792MWUej+yjHrpu2gAtb2Rx+aY/eowq2saokdMuTxF1NGznVgr0xTPGUrGYxZnbrp7M OVE/OTFoTb+LjHbfNz3OYfvVAhx9JDjoBJHdbUwdz9XztTjh43nBcXq+qaQ8nvgLvuEh7Qifg3r N+OmfuKBC3GIo0xXhtMX3FeOV07EwvcPY3MYUUAC0YudFdONH9869eQYNxT6nGNf44JYbM19KPX XjFtHslTjZsX/Q8LcgvpmUMivbpg6ZgTWcJ1jdMwoHEHyBgh55pmVdwdT6U1N36Dm+HpnnE/4BU hu8V6CosFTvWUHtq69A== X-Authority-Analysis: v=2.4 cv=EPU2FVZC c=1 sm=1 tr=0 ts=69fabf95 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=9B1uR9gGAAAA:8 a=EUspDBNiAAAA:8 a=ljBxYmjjx4en0H8xEuoA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 a=8R3p93Tjo66ouot214C2:22 X-Proofpoint-GUID: P3Mkmg9TaiOFsoESCyxSLz6RkVFTW9w4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-05_02,2026-04-30_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 impostorscore=0 clxscore=1015 bulkscore=0 phishscore=0 suspectscore=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605060037 On 5/5/2026 10:47 PM, Willmar Knikker wrote: > In ath11k_dp_rx_msdu_coalesce the loop uses ->is_continuation after > the dev_kfree_skb_any. This can cause a use after free kfence. > > Use flag for caching is_continuation for use after the > dev_kfree_skb_any. > > Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices") > Signed-off-by: Willmar Knikker Reviewed-by: Rameshkumar Sundaram