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dangling pointer СЪЩ

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dangling pointer ИНФОРМ

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This approach completely eliminates dangling pointer errors by disabling frees, and reclaiming objects by garbage collection. en.wikipedia.org

When a dangling pointer is used after it has been freed without allocating a new chunk of memory to it, this becomes known as a use after free vulnerability. en.wikipedia.org

A variable whose extent ends before its scope may become a dangling pointer and deemed uninitialized once more since its value has been destroyed. en.wikipedia.org

In systems with explicit memory allocation, it is possible to create a dangling pointer by deallocating the memory region it points into. en.wikipedia.org

However, as variables are not destroyed until they go out of context, the analog of a dangling pointer does not exist. en.wikipedia.org

Attempting to use a dangling pointer typically results in program failure. en.wikipedia.org

For example, a phone number for a person who has since changed phones is a real-world example of a dangling pointer. en.wikipedia.org

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