Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/tools/fuzzing/libfuzzer/patches/10-ef-runtime.patch b/tools/fuzzing/libfuzzer/patches/10-ef-runtime.patch
new file mode 100644
index 0000000000..34562e27a5
--- /dev/null
+++ b/tools/fuzzing/libfuzzer/patches/10-ef-runtime.patch
@@ -0,0 +1,31 @@
+# HG changeset patch
+# User Christian Holler <choller@mozilla.com>
+# Date 1596126054 -7200
+#      Thu Jul 30 18:20:54 2020 +0200
+# Node ID 8a2a26b33d516c43c366b2f24d731d27d9843349
+# Parent  997c4109edd112695097fd8c55cbacd976cab24a
+[libFuzzer] Allow external functions to be defined at runtime
+
+diff --git a/tools/fuzzing/libfuzzer/FuzzerDriver.cpp b/tools/fuzzing/libfuzzer/FuzzerDriver.cpp
+--- a/tools/fuzzing/libfuzzer/FuzzerDriver.cpp
++++ b/tools/fuzzing/libfuzzer/FuzzerDriver.cpp
+@@ -608,17 +608,18 @@ static Vector<SizedFile> ReadCorpora(con
+       SizedFiles.push_back({File, Size});
+   return SizedFiles;
+ }
+ 
+ int FuzzerDriver(int *argc, char ***argv, UserCallback Callback) {
+   using namespace fuzzer;
+   assert(argc && argv && "Argument pointers cannot be nullptr");
+   std::string Argv0((*argv)[0]);
+-  EF = new ExternalFunctions();
++  if (!EF)
++    EF = new ExternalFunctions();
+   if (EF->LLVMFuzzerInitialize)
+     EF->LLVMFuzzerInitialize(argc, argv);
+   if (EF->__msan_scoped_disable_interceptor_checks)
+     EF->__msan_scoped_disable_interceptor_checks();
+   const Vector<std::string> Args(*argv, *argv + *argc);
+   assert(!Args.empty());
+   ProgName = new std::string(Args[0]);
+   if (Argv0 != *ProgName) {