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Tiff decoding robustness improvements #2550

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merged 3 commits into from Oct 14, 2023
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JimBobSquarePants
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  • I have written a descriptive pull-request title
  • I have verified that there are no overlapping pull-requests open
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  • I have provided test coverage for my change (where applicable)

Description

Adds additional checks to the decoder infrastructure to enable us to better handle corrupt files.

Some light formatting cleanup also.

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@antonfirsov antonfirsov left a comment

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One suggestion, otherwise LGTM.

{
return totalBytesRead;
}

totalBytesRead += bytesRead;
}

return totalBytesRead;
}
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Since we are already touching this class: we should check the return value of this.innerStream.Read in InitializeInflateStream when it's skipping 4 bytes.

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Pushed the change together with another check.

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Good changes. Thanks!

@JimBobSquarePants JimBobSquarePants merged commit b8e8b86 into main Oct 14, 2023
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@JimBobSquarePants JimBobSquarePants deleted the js/fix-tiff-streams branch October 14, 2023 04:53
JimBobSquarePants pushed a commit that referenced this pull request Oct 16, 2023
* Tiff decoding robustness improvements (#2550)

* tiled Tiff is not supported in 2.1, delete TiffDecoder_CanDecode_TiledWithBadZlib

* also delete the files

* and the constant
antonfirsov added a commit that referenced this pull request Oct 16, 2023
(accidental push to unprotected branch)
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2 participants