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SUBMITTING TO LINUX KERNEL CODE

Downcasting in such cases consists of determining the containing structure from the embedded one, and, like its C++ counterpart, may well lead to bad casting to an incompatible type. In particular, structure embedding emulates type inheritance between typed structures. Where existing research mostly studies type confusion in the context of object-oriented languages such as C++, we analyze how similar bugs affect complex C projects such as the Linux kernel.
SUBMITTING TO LINUX KERNEL SOFTWARE
Type confusion bugs are a common source of security problems whenever software makes use of type hierarchies, as an inadvertent downcast to an incompatible type is hard to detect at compile time and easily leads to memory corruption at runtime.
