guard for None content as response from target#1574
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jmartin-tech merged 4 commits intoNVIDIA:mainfrom Jan 28, 2026
Merged
guard for None content as response from target#1574jmartin-tech merged 4 commits intoNVIDIA:mainfrom
None content as response from target#1574jmartin-tech merged 4 commits intoNVIDIA:mainfrom
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Signed-off-by: Jeffrey Martin <jemartin@nvidia.com>
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validate all response access as a generator can `None` during attack iteration in various ways Signed-off-by: Jeffrey Martin <jemartin@nvidia.com>
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| # if response_to_store is None it will be coerced to "" on iteration hence the extra check | ||
| if (response_to_store == last_response) or ( | ||
| len(last_response) == 0 and not response_to_store | ||
| ): |
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This revision was pointed out by tests, current expectation is to giveup when the first response results in an empty result from the target.
…plicit bool flag; stop conversation if generator throws Nones / other unprocessable emerges
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see jmartin-tech#1 |
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"the go-to-market" from me too |
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In some cases models will respond with
Noneornullresponse a prompt hits and edge case.Since atkgen is looking for edges, extra care is needed to ensure this is accounted for.
In one particular case it has been determined that reasoning models may consume their entire token budget and return
Nonefor message content for various inputs this probe can generate.Verification
List the steps needed to make sure this thing works
openai/gpt-oss-120bgarak -t nim -n openai/gpt-oss-120b --generator_options '{"nim":{"uri":"https://example.com/v1/"}}' -p atkgen.Tox