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ZSTD_seekable_decompress() can hang #2506

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mlindsay opened this issue Feb 22, 2021 · 2 comments
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ZSTD_seekable_decompress() can hang #2506

mlindsay opened this issue Feb 22, 2021 · 2 comments
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@senhuang42

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@mlindsay
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Describe the bug
ZSTD_seekable_decompress() can hang with malformed input.

To Reproduce
Check out #2505

$ cd contrib/seekable_format/tests
$ make
$ ./seekable_tests

Expected behavior
Program halts, returning an error code.

Additional context
Add any other context about the problem here.
This bug was found via this fuzzer. The specific decompressor input is an input generated by the fuzzer to reproduce the issue.
@mlindsay mlindsay mentioned this issue Feb 22, 2021
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@Cyan4973
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Thanks for the clear reproduction case @mlindsay.
We'll look into it and get it fix before next release.

@senhuang42 senhuang42 self-assigned this Feb 26, 2021
@senhuang42 senhuang42 mentioned this issue Mar 2, 2021
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@senhuang42
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Fixed in #2516

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@mlindsay @Cyan4973 @senhuang42