Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-27 09:34:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

[MOUNTMGR] Fix pool memory disclosure in QueryPointsFromMemory (#3022)

Browse source
This commit is contained in:
Nguyen Trung Khanh 2020-08-17 21:45:35 +07:00 committed by GitHub
parent 61d89dec8e
commit 9adcacdbc8
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/filters/mountmgr/point.c
View file

@ -335,6 +335,7 @@ QueryPointsFromMemory(IN PDEVICE_EXTENSION DeviceExtension,
/* Now, ensure output buffer can hold everything */
Stack = IoGetCurrentIrpStackLocation(Irp);
MountPoints = (PMOUNTMGR_MOUNT_POINTS)Irp->AssociatedIrp.SystemBuffer;
RtlZeroMemory(MountPoints, Stack->Parameters.DeviceIoControl.OutputBufferLength);
/* Ensure we set output to let user reallocate! */
MountPoints->Size = sizeof(MOUNTMGR_MOUNT_POINTS) + TotalSymLinks * sizeof(MOUNTMGR_MOUNT_POINT) + TotalSize;