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WFP_INVALID_OPERATION
The WFP_INVALID_OPERATION bug check has a value of 0x000001D3. This indicates that a Windows Filtering Platform callout performed an invalid operation.
WFP_INVALID_OPERATION Parameters
| Parameter | Description |
|---|---|
| 1 | The subtype of the bugcheck. |
| 2 | Reserved |
| 3 | Reserved |
| 4 | Reserved |
Parameter 1 Values
0x1 : Callout injected an NBL with multiple NET_BUFFERS inbound.
2 - Reserved.
3 - Pointer to NBL.
4 - Reserved.
Resolution
The !analyze debug extension displays information about the bug check and can be very helpful in determining the root cause.
Decode parameter 1 and inspect the callout injection path; the NBL shape, direction, and injection API must match the Windows Filtering Platform contract.
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