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hyperbo.la | ||
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www.timdbg.com
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liveoverflow.com
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| | | | | In our attempt to "re-discover" the sudoedit vulnerability (CVE-2021-3156), we use the address sanitation tool to investigate a heap overflow. After fixing it, we investigate several other unique crashes registered by the AFL fuzzer. | |
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blog.viraptor.info
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blog.oddbit.com
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| | | Overview I was recently working with someone else's C source and I wanted to add some basic error checking without mucking up the code with a bunch of if statements and calls to perror. I ended up implementing a simple must function that checks the return value of an expression, and exits with an error if the return value is less than 0. You use it like this: must(fd = open("textfile.txt", O_RDONLY)); Or: | ||
