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[NTOSKRNL] Use ExAllocatePoolWithQuotaTag() when allocating SystemBuffer for the IRP

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That way, in case the system lacks memory, an exception is thrown and IRP isn't sent
to the device with NULL SystemBuffer.

CORE-14048
This commit is contained in:
Pierre Schweitzer
2017-11-26 14:01:04 +01:00
parent d01184b164
commit 9ecbbe2a33
1 changed files with 6 additions and 6 deletions
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12
ntoskrnl/io/iomgr/iofunc.c
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@@ -516,9 +516,9 @@ IopDeviceFsIoControl(IN HANDLE DeviceHandle,
{
/* Allocate the System Buffer */
Irp->AssociatedIrp.SystemBuffer =
ExAllocatePoolWithTag(PoolType,
BufferLength,
TAG_SYS_BUF);
ExAllocatePoolWithQuotaTag(PoolType,
BufferLength,
TAG_SYS_BUF);
/* Check if we got a buffer */
if (InputBuffer)
@@ -563,9 +563,9 @@ IopDeviceFsIoControl(IN HANDLE DeviceHandle,
{
/* Allocate the System Buffer */
Irp->AssociatedIrp.SystemBuffer =
ExAllocatePoolWithTag(PoolType,
InputBufferLength,
TAG_SYS_BUF);
ExAllocatePoolWithQuotaTag(PoolType,
InputBufferLength,
TAG_SYS_BUF);
/* Copy into the System Buffer */
RtlCopyMemory(Irp->AssociatedIrp.SystemBuffer,