From this webpage screenshot, we can extract the following key information about the vulnerability: 1. Issue Description: - A race condition exists in the code, causing conflicts between the and functions when handling wait queues. - Specifically, in the function, after removing a wait queue entry, calling again may trigger an error because the wait queue entry has already been deleted. 2. Root Cause: - In the function, after deleting a wait queue entry, calling again may trigger an error because the wait queue entry has already been deleted. - This occurs because calls after removing the wait queue entry, but the entry is no longer present, leading to an invalid operation. 3. Solution: - The race condition is resolved by swapping the call order of and . - The and functions are used to ensure that the wait queue entry still exists when is called again after deletion. 4. Fix Patch: - The fix patch has been applied to the code, resolving the race condition issue. - The fix patch has been applied to the code, resolving the race condition issue. 5. Related Links: - Detailed information and links related to the fix patch. - Detailed information and links related to the fix patch. 6. Code Changes: - Detailed information and links related to the code changes. - Detailed information and links related to the code changes. 7. Authors and Contributors: - The authors and contributors of the fix patch. - The authors and contributors of the fix patch. 8. Code Snippet: - Code snippet of the fix patch. - Code snippet of the fix patch. 9. Related Links: - Detailed information and links related to the fix patch. - Detailed information and links related to the fix patch. 10. Code Changes: - Detailed information and links related to the code changes. - Detailed information and links related to the code changes.