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The GuardedRegions rule verifies that calls to KeEnterGuardedRegion and KeLeaveGuardedRegion are used in strict alternation.
Each call to KeEnterGuardedRegion must have a matching call to KeLeaveGuardedRegion.
Driver model: WDM
Bug check(s) found with this rule: Bug Check 0xC4: DRIVER_VERIFIER_DETECTED_VIOLATION (0x0004000E)
How to test
| At compile time |
|---|
Run Static Driver Verifier and specify the GuardedRegions rule. Use the following steps to run an analysis of your code:
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
KeEnterGuardedRegion KeLeaveGuardedRegion