tests: add CScriptNum::serialize to integer fuzz harness #18491
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Contributor
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@pierreN Thanks for contributing to the fuzzers.
That leaves Instead of adding a new fuzzing file just for |
pierreN
changed the title
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Ow, my bad. Thanks, I updated the PR accordingly. |
Contributor
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ACK 7a21407 |
Contributor
Author
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Thanks. Note that tests fail since #18413 is not merged AFAIK. |
Member
Could add the tests to that pull and close this one? |
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Yes good idea, I just added the test to the original PR : c6819c4 |
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Add a fuzzing harness for
CScriptNum::serialize,core_write.cpp:ValueFromAmountandutil/moneystr.cpp:FormatMoney.Those functions manually compute absolute values of
int64_tnumbers which can lead to undefined behavior, see : #18413 #18046You can trigger this new harness with the following input :
Note that
BitcoinUnits::formatalso does the same (but requires QT headers to compile so I'm not sure we can add it to the fuzzer).