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Bug #11865

Updated by Andrew Stormont over 2 years ago

The SMB2 server should fail with STATUS_INVALID_PARAMETER if the size of a MxAc create context is not large enough to hold the optional timestamp value.    This is something the WPTS checks for by issuing a bogus CREATE request with a MxAc create context with a size of 4 bytes (the spec says it MUST be either 0 or 8 bytes long): 

 "The Data in the Buffer field of the SMB2_CREATE_CONTEXT MUST either contain the following structure or be empty (0 bytes in length)." 
 https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-smb2/5ea40835-5d40-4e85-977d-13cd745d3af8 

 This impacts the following follow WPTS test case: 

 InvalidCreateRequestStructureSize

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