[PATCH] D28502: [compiler-rt] [Interception] Properly check for export table's size before referring to its elements.

[Marcos Pividori via Phabricator via llvm-commits]

mpividori removed rL LLVM as the repository for this revision.
mpividori updated this revision to Diff 83746.
mpividori added a comment.

Done.


https://reviews.llvm.org/D28502

Files:
  lib/interception/interception_win.cc


Index: lib/interception/interception_win.cc
===================================================================
--- lib/interception/interception_win.cc
+++ lib/interception/interception_win.cc
@@ -878,6 +878,8 @@
 
   IMAGE_DATA_DIRECTORY *export_directory =
       &headers->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT];
+  if (export_directory->Size == 0)
+    return 0;
   RVAPtr<IMAGE_EXPORT_DIRECTORY> exports(module,
                                          export_directory->VirtualAddress);
   RVAPtr<DWORD> functions(module, exports->AddressOfFunctions);


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