01/01: [SHIMENG] Do not crash on a NULL ModuleName & BaseAddress. CORE-14376

[Mark Jansen]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=5f52a61e7dfdb821cc79c…

commit 5f52a61e7dfdb821cc79c7daf4c357fd6199eab9
Author:     Mark Jansen <mark.jansen(a)reactos.org>
AuthorDate: Thu Feb 22 23:25:34 2018 +0100
Commit:     Mark Jansen <mark.jansen(a)reactos.org>
CommitDate: Thu Feb 22 23:25:57 2018 +0100

    [SHIMENG] Do not crash on a NULL ModuleName & BaseAddress.
    CORE-14376
---
 dll/appcompat/apphelp/shimeng.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dll/appcompat/apphelp/shimeng.c b/dll/appcompat/apphelp/shimeng.c
index e03a57389a..3b0e7d0866 100644
--- a/dll/appcompat/apphelp/shimeng.c
+++ b/dll/appcompat/apphelp/shimeng.c
@@ -315,6 +315,11 @@ PHOOKMODULEINFO SeiFindHookModuleInfo(PUNICODE_STRING ModuleName,
PVOID BaseAddr
 {
     DWORD n;
 
+    if (ModuleName == NULL && BaseAddress == NULL)
+    {
+        BaseAddress = NtCurrentPeb()->ImageBaseAddress;
+    }
+
     for (n = 0; n < ARRAY_Size(&g_pHookArray); ++n)
     {
         PHOOKMODULEINFO pModuleInfo = ARRAY_At(&g_pHookArray, HOOKMODULEINFO, n);