microsoft / microsoft/Detours

DetourDetach() Return ERROR_INVALID_OPERATION

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Dominant language
C++
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Description

The Code that hook and unhook RtlCompareMemory() with deoutrhooks library Has been Used for years without any issue,but the unhook procedure fails on windows server 2022(Windows Vista to Windows server 2019 all works fine),and DetourDetach call returns ERROR_INVALID_OPERATION.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the RtlCompareMemory() unhook failure on Windows Server 2022 and compare it with the working Windows versions described in the issue. Trace the DetourDetach call and its ERROR_INVALID_OPERATION result; done means the hook can be detached successfully on the affected server version.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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