[compiler-rt][hwasan] Do not call InitLoadedGlobals in __hwasan_init
Fuchsia's libc provides a new hook (__sanitizer_module_loaded) which calls
hwasan_library_loaded in the startup path which will register globals in
loaded modules.
Differential Revision: https://reviews.llvm.org/D137676
GitOrigin-RevId: 40dffefa0e6557063763d814b824d721ce963e66
diff --git a/lib/hwasan/hwasan.cpp b/lib/hwasan/hwasan.cpp
index bb946c2..9db4fb0 100644
--- a/lib/hwasan/hwasan.cpp
+++ b/lib/hwasan/hwasan.cpp
@@ -340,7 +340,13 @@
DisableCoreDumperIfNecessary();
InitInstrumentation();
- InitLoadedGlobals();
+ if constexpr (!SANITIZER_FUCHSIA) {
+ // Fuchsia's libc provides a hook (__sanitizer_module_loaded) that runs on
+ // the startup path which calls into __hwasan_library_loaded on all
+ // initially loaded modules, so explicitly registering the globals here
+ // isn't needed.
+ InitLoadedGlobals();
+ }
// Needs to be called here because flags()->random_tags might not have been
// initialized when InitInstrumentation() was called.
