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Memory safety issues #1

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gtlsgamr opened this issue Oct 18, 2024 · 0 comments
Open

Memory safety issues #1

gtlsgamr opened this issue Oct 18, 2024 · 0 comments

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@gtlsgamr
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There are some issues with memory safety
gtlsgamr added a commit that referenced this issue Oct 18, 2024
@gtlsgamr
Fix memory safety issues
e2fa4be 
Related to #1

Address memory safety issues in `addcomment.c`.

* **Memory Allocation Check**: Add a check for `malloc` returning `NULL` in the `udcd` function to prevent dereferencing a `NULL` pointer.
* **Memory Deallocation**: Free the allocated memory after use in the `udcd` function to prevent memory leaks.
* **Buffer Overflow Prevention**: Add a check to ensure the input length does not exceed the buffer size before using `fread`.
* **Input Length Check**: Modify the `sscanf` function to check the length of input strings to prevent buffer overflows.
* **Error Handling**: Add error handling for memory allocation failures and free allocated memory in case of errors.

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For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/gtlsgamr/addcomment.c/issues/1?shareId=XXXX-XXXX-XXXX-XXXX).
@gtlsgamr gtlsgamr mentioned this issue Oct 18, 2024
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