From this webpage screenshot, we can extract the following key information about the vulnerability: 1. Vulnerability Description: - Issue Description: In the function, if succeeds, the return value is set to zero. If subsequent steps fail, returns zero, but remains NULL, leading to a null pointer dereference in . - Fix Method: The issue is fixed by only overwriting the return value when fails. 2. Patch Information: - Patch ID: - Patch Type: 3. Patch Submission Information: - Submitter: Yu Kuai - Submission Date: October 9, 2024 - Submitter Email: yukuai3@huawei.com - Submitter Signature: Yu Kuai 4. Patch Description: - Description: Fixes the null pointer dereference issue that occurs when succeeds but subsequent steps fail. 5. Patch Link: - Link: 6. Patch Status: - Status: Merged into upstream 7. Vulnerability ID Fixed by Patch: - Vulnerability ID: 8. Patch Reporting and Testing Information: - Reporter: ValdikSS - Tester: Yu Kuai - Reviewers: Christoph Hellwig, Song Liu, Greg Kroah-Hartman 9. Patch Link: - Link: 10. Patch Status: - Status: Merged into upstream This information helps us understand the background of the patch, the vulnerability it fixes, the submitter, and the patch status.