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Wed, 17 Dec 2025 21:45:06 -0800 (PST) Received: from [192.168.1.102] ([117.193.213.102]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a2d087c690sm11534085ad.20.2025.12.17.21.45.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Dec 2025 21:45:05 -0800 (PST) From: Manivannan Sadhasivam X-Google-Original-From: Manivannan Sadhasivam To: kishon@kernel.org, liu.xuemei1@zte.com.cn Cc: liu.song13@zte.com.cn, linux-pci@vger.kernel.org, kwilczynski@kernel.org, bhelgaas@google.com, lpieralisi@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20250710143845409gLM6JdlwPhlHG9iX3F6jK@zte.com.cn> References: <20250710143845409gLM6JdlwPhlHG9iX3F6jK@zte.com.cn> Subject: Re: [PATCH RESEND] PCI: endpoint: Avoid creating sub-groups asynchronously Message-Id: <176603670341.14052.15041295759159951868.b4-ty@kernel.org> Date: Thu, 18 Dec 2025 11:15:03 +0530 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-Proofpoint-GUID: n0X4Nd4_Xq_mRzHQpVrug4J9X2QR50mm X-Authority-Analysis: v=2.4 cv=DsBbOW/+ c=1 sm=1 tr=0 ts=694394e3 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=PLOdWElDzbaVVj/XHNhp9A==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=1RTuLK3dAAAA:8 a=VwQbUJbxAAAA:8 a=Ini7W7neDqlUuicUPW0A:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=uG9DUKGECoFWVXl0Dc02:22 a=kRpfLKi8w9umh8uBmg1i:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjE4MDA0NCBTYWx0ZWRfX13KdFQiJ/YRZ BukoIksVMmIDnLn4pQDDmSaxgEqA4K+5BFDQoZFm8UZS+bWg786lUXd8rzBap2Eo2XCznpwe3q3 CSY5szypUCD3iw2Ti0cXjPJ7FE7O+NZiNVw2Nhl+1rA8AvKPHX+yadYVRNWWjW0PlNkHGOIPCPV tzgZF/C+g2LoHheE1W2jYaYugmWFL9ITPYmM9VuNNop1sPUA7Aj83sN65yVRndZAA+CAvaqTNuZ IXAXCpSsLUyHb0yKYjTrF4Ei1gshPPYukzEXNoFRBq/ey0wDZnHem/wtBdRhlDSC2EnqcJyaIRi fnuo1SfOScT3SKI9qm7sqbv8VcQIzOlaIOaGA3ZfKoes8rmNtyqiDMQZtftoqpndqPPdU4ZYAWV 6snfJmBSPRUnWQHd2pPuKCrtZy7mpQ== X-Proofpoint-ORIG-GUID: n0X4Nd4_Xq_mRzHQpVrug4J9X2QR50mm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-18_01,2025-12-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 impostorscore=0 spamscore=0 adultscore=0 clxscore=1015 bulkscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512180044 On Thu, 10 Jul 2025 14:38:45 +0800, liu.xuemei1@zte.com.cn wrote: > The asynchronous creation of sub-groups by a delayed work could lead to an > null-pointer-dereference exception when the driver directory gets > removed before the work completes. > > The crash can be easily reproduced with the following commands. > > # mkdir test && rmdir test > > [...] Applied, thanks! [1/1] PCI: endpoint: Avoid creating sub-groups asynchronously commit: c7a1d2620a290417a0bc8b921259ac036a9d33f2 Best regards, -- Manivannan Sadhasivam