[PATCH] dbghelp: Crash fix in module_find_cb on trying to parse non image files.
Ralf Habacker
ralf at habacker.de
Mon Nov 9 07:53:08 CST 2015
Bug: https://bugs.winehq.org/show_bug.cgi?id=39568
---
dlls/dbghelp/path.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/dlls/dbghelp/path.c b/dlls/dbghelp/path.c
index a0e51bd..8c74426 100644
--- a/dlls/dbghelp/path.c
+++ b/dlls/dbghelp/path.c
@@ -490,7 +490,13 @@ static BOOL CALLBACK module_find_cb(PCWSTR buffer,
PVOID user)
if ((mapping = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0,
0)) != NULL)
{
IMAGE_NT_HEADERS* nth = RtlImageNtHeader(mapping);
-
+ if (!nth)
+ {
+ UnmapViewOfFile(mapping);
+ CloseHandle(hMap);
+ CloseHandle(hFile);
+ return FALSE;
+ }
matched++;
timestamp = nth->FileHeader.TimeDateStamp;
size = nth->OptionalHeader.SizeOfImage;
--
1.8.4.5
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