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Static Code Analysis : Use Safe string functions inside VeraCrypt Device Driver to avoid potential security issues. Add many checks for NULL pointers to handle low memory use cases.

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This commit is contained in:
Mounir IDRASSI
2014-07-14 16:59:14 +02:00
parent 516fda09a7
commit 3137d36d9a
4 changed files with 62 additions and 38 deletions
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14
src/Driver/EncryptedIoQueue.c
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@@ -510,6 +510,15 @@ static VOID MainThreadProc (PVOID threadArg)
KeWaitForSingleObject (&queue->QueueResumedEvent, Executive, KernelMode, FALSE, NULL);
item = GetPoolBuffer (queue, sizeof (EncryptedIoQueueItem));
if (!item)
{
TCCompleteDiskIrp (irp, STATUS_INSUFFICIENT_RESOURCES, 0);
DecrementOutstandingIoCount (queue);
IoReleaseRemoveLock (&queue->RemoveLock, irp);
continue;
}
item->Queue = queue;
item->OriginalIrp = irp;
item->Status = STATUS_SUCCESS;
@@ -687,6 +696,11 @@ static VOID MainThreadProc (PVOID threadArg)
// Create IO request
request = GetPoolBuffer (queue, sizeof (EncryptedIoRequest));
if (!request)
{
CompleteOriginalIrp (item, STATUS_INSUFFICIENT_RESOURCES, 0);
break;
}
request->Item = item;
request->CompleteOriginalIrp = isLastFragment;
request->Offset = fragmentOffset;