[sginsberg] 36136: - NtQueryInformationProcess with ProcessImageFileName query type: Free the buffer allocated by SeLocateProcessImageName, and set return status if return buffer is too small (so caller will know to allocate more memory). Spotted by #3714 See issue #3714 for more details.

Author: sginsberg
Date: Thu Sep 11 09:24:41 2008
New Revision: 36136

URL: http://svn.reactos.org/svn/reactos?rev=36136&view=rev
Log:
- NtQueryInformationProcess with ProcessImageFileName query type:
Free the buffer allocated by SeLocateProcessImageName, and set return status if return
buffer is too small (so caller will know to allocate more memory). Spotted by #3714
See issue #3714 for more details.

Modified:
    trunk/reactos/ntoskrnl/ps/query.c

Modified: trunk/reactos/ntoskrnl/ps/query.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ps/query.c?rev=36…
==============================================================================
--- trunk/reactos/ntoskrnl/ps/query.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ps/query.c [iso-8859-1] Thu Sep 11 09:24:41 2008
@@ -426,6 +426,14 @@
                     }
                     _SEH_END;
                 }
+                else
+                {
+                    /* Buffer too small */
+                    Status = STATUS_INFO_LENGTH_MISMATCH;
+                }
+
+                /* Free the image path */
+                ExFreePool(ImageName);
             }
             break;