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fix: Resolve panic in Decoder.Skip() with corrupt message #159

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merged 3 commits into from
Aug 15, 2024

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This PR resolves a panic when trying to decode a corrupted message, specifically one where the encoded length of a string field is >2GB.

I also added a new ParseAnnotatedHex() function in a new prototest package. This function can be used to convert a string containing a "commented" hexadecimal representation of an encoded Protobuf message into binary, which is useful for managing test data in a more human-readable form. See the godoc comments on the function for more details.

Finally, I updated .golangci.yml to resolve some config deprecations, which led to having to update some test code that was now generating linter warnings.

Fixes #158

Dylan Bourque added 2 commits August 15, 2024 08:56
converted run.skip-files to issues.exclude-rules
updated test code under example/ to clear linter warnings
@dylan-bourque dylan-bourque requested a review from a team August 15, 2024 14:09
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Approved with 1 nit and a question.

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@dylan-bourque dylan-bourque force-pushed the fix/panic-in-decoder-skip-with-corrupt-message branch from 2d1363d to 02f92b4 Compare August 15, 2024 14:43
…de()`

added length validation in `DecodeBytes()`, `DecodeNested()`, and `Skip()` on `Decoder`
added tests
@dylan-bourque dylan-bourque force-pushed the fix/panic-in-decoder-skip-with-corrupt-message branch from 02f92b4 to 0112c2a Compare August 15, 2024 15:09
@dylan-bourque dylan-bourque merged commit 9373f47 into main Aug 15, 2024
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@dylan-bourque dylan-bourque deleted the fix/panic-in-decoder-skip-with-corrupt-message branch August 15, 2024 18:10
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.Decode() indexing panic
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