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Added qemu_tmin #1614

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WorksButNotTested
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Based on this. Seems to generate multiple outputs for each input though?

@andreafioraldi
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The qemu part looks legit to me, I don't get the multiple output part, you should find multiple testcases in the corpus as they are generated in each iteration of the tmin stage (cc @addisoncrump ) but pick only the smaller one IIRC

@WorksButNotTested
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Only think I can think is I have glued the components together wrong? The baby_fuzzer_minimizing I was copying seems to construct a state without any feedback here and then an executor without any observers here, but if I try to copy that it doesn't seem to generate any output at all!?

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I've managed to copy the baby_fuzzer_minimizing more closely, and now it only seems to generate one output for each input. But it doesn't seem to actually minimize anything?! I modified one of the files in the corpus by simply appending 512Kb of zeroes to the end, so I would expect the minimizer to be able to easily reduce the size of that input even if it cannot reduce any of the others?

@domenukk
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domenukk commented Nov 3, 2023

@addisoncrump can you take a look by any chance? You have the most minimizer experience

@domenukk domenukk requested a review from addisoncrump November 3, 2023 18:28
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domenukk commented Jan 1, 2024

@addisoncrump ping

@domenukk domenukk marked this pull request as draft January 1, 2024 17:22
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3 participants