perf: Fix data race between pin_count increment/decrement
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.126 by commit 26ab08df86565cde5cdfcdc3c81660ef2dca0ad4, it was introduced in version v2.6.39 by commit fe4b04fa31a6dcf4358aa84cf81e5a7fd079469b. For more details please see the references link.