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[MOUNTMGR] Fix buffer length checking
author
Pierre Schweitzer
<pierre@reactos.org>
Thu, 3 Jan 2019 22:10:31 +0000
(23:10 +0100)
committer
Pierre Schweitzer
<pierre@reactos.org>
Thu, 3 Jan 2019 22:12:16 +0000
(23:12 +0100)
Found by Vadim Galiant.
CORE-15549
drivers/filters/mountmgr/device.c
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diff --git
a/drivers/filters/mountmgr/device.c
b/drivers/filters/mountmgr/device.c
index
08b386d
..
17d720e
100644
(file)
--- a/
drivers/filters/mountmgr/device.c
+++ b/
drivers/filters/mountmgr/device.c
@@
-265,7
+265,7
@@
MountMgrCreatePoint(IN PDEVICE_EXTENSION DeviceExtension,
MaxLength = MAX((Point->DeviceNameOffset + Point->DeviceNameLength),
(Point->SymbolicLinkNameLength + Point->SymbolicLinkNameOffset));
- if (MaxLength >
=
Stack->Parameters.DeviceIoControl.InputBufferLength)
+ if (MaxLength > Stack->Parameters.DeviceIoControl.InputBufferLength)
{
return STATUS_INVALID_PARAMETER;
}