Re: [ros-dev] [ros-diffs] [hbelusca] 74493: [NTOS]: Capture the counted BaseDllName unicode string into a local NULL-terminated buffer before calling wcsrchr on it (actually I think it would be better to create & use a simi...

Sun, 07 May 2017 11:52:08 -0700 

On 2017-05-07 20:15, [email protected] wrote:

--- trunk/reactos/ntoskrnl/io/iomgr/driver.c    [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/iomgr/driver.c    [iso-8859-1] Sun May  7 
18:15:12 2017
@@ -884,7 +884,7 @@
     PDEVICE_NODE DeviceNode;
     PDRIVER_OBJECT DriverObject;
     NTSTATUS Status;
-    PWCHAR FileNameWithoutPath;
+    PWCHAR Buffer, FileNameWithoutPath;
     PWSTR FileExtension;
     PUNICODE_STRING ModuleName = &BootLdrEntry->BaseDllName;
     PLDR_DATA_TABLE_ENTRY LdrEntry;
@@ -898,13 +898,19 @@
     IopDisplayLoadingMessage(ModuleName);
     InbvIndicateProgress();

+    Buffer = ExAllocatePool(PagedPool, ModuleName->Length + 
sizeof(UNICODE_NULL));
+    ASSERT(Buffer);


Please don't call ExAllocatePool.
And please check for allocation failure. An assert is not acceptable.

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