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Windows driver: add defensive checks to TCCloseVolume implementation

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This commit is contained in:
Mounir IDRASSI
2025-09-13 15:26:53 +09:00
parent 0b60d2a119
commit 54b81ed2d1
1 changed files with 6 additions and 1 deletions
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7
src/Driver/Ntvol.c
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@@ -910,8 +910,13 @@ void TCCloseVolume (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension)
RestoreTimeStamp (Extension); RestoreTimeStamp (Extension);
} }
ZwClose (Extension->hDeviceFile); ZwClose (Extension->hDeviceFile);
Extension->hDeviceFile = NULL;
}
if (Extension->pfoDeviceFile != NULL)
{
ObDereferenceObject (Extension->pfoDeviceFile);
Extension->pfoDeviceFile = NULL;
} }
ObDereferenceObject (Extension->pfoDeviceFile);
if (Extension->cryptoInfo) if (Extension->cryptoInfo)
{ {
crypto_close (Extension->cryptoInfo); crypto_close (Extension->cryptoInfo);