IrqlObPassive rule (wdm)

The IrqlObPassive rule specifies that the driver calls ObReferenceObjectByHandle only when it is executing at IRQL = PASSIVE_LEVEL.

Driver model WDM
Bug check(s) found with this rule Bug Check 0xC4: DRIVER_VERIFIER_DETECTED_VIOLATION (0x0002001B)

How to test

At compile time

Run Static Driver Verifier and specify the IrqlObPassive rule.

Use the following steps to run an analysis of your code:
  1. Prepare your code (use role type declarations).
  2. Run Static Driver Verifier.
  3. View and analyze the results.

For more information, see Using Static Driver Verifier to Find Defects in Drivers.

At run time

Run Driver Verifier and select the DDI compliance checking option.

Applies to