From 376fbc524227d278604f252dc86ec715e968bec2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Gardou?= <jerome.gardou@reactos.org>
Date: Thu, 17 Jun 2021 16:45:28 +0200
Subject: [PATCH] [NTOS:MM] Check result of RtlCreateUnicodeString in
 MmGetFileNameForAddress

CORE-17637
---
 ntoskrnl/mm/ARM3/section.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ntoskrnl/mm/ARM3/section.c b/ntoskrnl/mm/ARM3/section.c
index fa4bb52d999..4a65209d38b 100644
--- a/ntoskrnl/mm/ARM3/section.c
+++ b/ntoskrnl/mm/ARM3/section.c
@@ -1927,11 +1927,13 @@ MmGetFileNameForAddress(IN PVOID Address,
     if (NT_SUCCESS(Status))
     {
         /* Init modulename */
-        RtlCreateUnicodeString(ModuleName, ModuleNameInformation->Name.Buffer);
+        if (!RtlCreateUnicodeString(ModuleName, ModuleNameInformation->Name.Buffer))
+            Status = STATUS_INSUFFICIENT_RESOURCES;
 
         /* Free temp taged buffer from MmGetFileNameForFileObject() */
         ExFreePoolWithTag(ModuleNameInformation, TAG_MM);
-        DPRINT("Found ModuleName %S by address %p\n", ModuleName->Buffer, Address);
+
+        DPRINT("Found ModuleName %wZ by address %p\n", ModuleName, Address);
     }
 
    /* Return status */