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Include missing exports, loader transcript when available #2736

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ranweiler opened this issue Jan 10, 2023 · 0 comments · Fixed by #3509
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Include missing exports, loader transcript when available #2736

ranweiler opened this issue Jan 10, 2023 · 0 comments · Fixed by #3509
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ranweiler commented Jan 10, 2023 •
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On Windows, when we enable loader snaps in dynamic-linker in the fuzzer help check, we get an extensive loader transcript. When a specific export is missing from the DLL that was resolved, we also get information about which export is missing.

  1. When a DLL is found, but one or more expected exports are missing, report them. The wrong DLL was probably found and loaded.
  2. On error on Windows, include the entire loader transcript in the task error logs.

AB#36071
@ranweiler ranweiler added the enhancement New feature or request label Jan 10, 2023
@ghost ghost added the Needs: triage label Jan 10, 2023
@ranweiler ranweiler mentioned this issue Jan 10, 2023
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@Porges Porges mentioned this issue Apr 4, 2023
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@Porges Porges mentioned this issue Sep 17, 2023
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Porges added a commit that referenced this issue Oct 11, 2023
@Porges
Include all loader errors when failing (#3509)
46bbe5b 
Closes #2736.

Include all errors from the loader transcript when looking for missing DLLs. This will help users to analyze the problem, as this information can include missing symbols, etc.
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Include all loader errors when failing microsoft/onefuzz
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