igb: Add lock to avoid data race
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 v5.10.138 by commit 0f516dcd1456b18b56a7de0c1f67b8a4aa54c2ef, it was introduced in version v4.3 by commit c23d92b80e0b44d4c17085f0413e7574a7583615. For more details please see the references link.