kunit/overflow: Fix UB in overflow_allocation_test

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Linux Distros Unpatched Vulnerability : CVE-2024-47719

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: iommufd: Protect against overflow of ALIGN during iova allocation Userspace can supply an io...

CVE-2013-1988

Multiple integer overflows in X.org libXRes 1.0.6 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the 1 XResQueryClients and 2 XResQueryClientResources functions...