#11692: [Security] heap-buffer-overflow on alphablend.c:77 ------------------------------------+----------------------------------- Reporter: flyfish101 | Owner: (none) Type: defect | Status: new Priority: important | Component: swscale Version: git-master | Resolution: Keywords: fuzz | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+----------------------------------- Comment (by flyfish101):
Replying to [comment:3 Michael Niedermayer]: > Please use the fuzzer we have without modifications. If you want to improve the fuzzer submit a patch to it. If you really have to modify it explain what and why it was modified. Is this report AI generated ? In this example, we modified the hardcoded alphablend setting in the driver: {{{ av_opt_set(sws, "alphablend", "none", 0); }}} to enable more alphablend modes. See this line: https://trac.ffmpeg.org/attachment/ticket/11692/target_sws_fuzzer1519.c#L208 You can read this paper, which explains why it is important to modify and refine the current fuzz driver. https://thuanpv.github.io/publications/Fuzzing23_FuzzBlockers.pdf In short, We are using LLM to help us analyze the existing bottlenecks in fuzzing and to explore more code paths. If you're interested, we could explore deeper research and collaboration. By the way, please check these bugs :) -- Ticket URL: <https://trac.ffmpeg.org/ticket/11692#comment:4> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker
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