swiotlb: avoid potential left shift overflow
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 v5.15.68 by commit 4f8d658848087b5efd3c84658fb145474ca0d336, it was introduced in version v5.12 by commit 26a7e094783d482f3e125f09945a5bb1d867b2e6. For more details please see the references link.