Add some function and URLs to induce ASan crashes.

content/browser/frame_host/debug_urls.cc

Index: content/browser/frame_host/debug_urls.cc
diff --git a/content/browser/frame_host/debug_urls.cc b/content/browser/frame_host/debug_urls.cc
index 0542f9e77570aea15d3cc1faa29a6846c0d2340b..1c9e4de7a0522397b97a41eb0fa058d27b4823b3 100644
--- a/content/browser/frame_host/debug_urls.cc
+++ b/content/browser/frame_host/debug_urls.cc
@@ -6,6 +6,8 @@
 
 #include <vector>
 
+#include "base/debug/asan_invalid_access.h"
+#include "base/debug/profiler.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/ppapi_plugin_process_host.h"
@@ -19,6 +21,16 @@ namespace content {
 
 namespace {
 
+// Define the Asan debug URLs.
+static const char kAsanCrashDomain[] = "crash";
+static const char kAsanHeapOverflow[] = "/browser-heap-overflow";
+static const char kAsanHeapUnderflow[] = "/browser-heap-underflow";
+static const char kAsanUseAfterFree[] = "/browser-use-after-free";
+#if defined(SYZYASAN)
+static const char kAsanCorruptHeapBlock[] = "/browser-corrupt-heap-block";
+static const char kAsanCorruptHeap[] = "/browser-corrupt-heap";
+#endif
+
 void HandlePpapiFlashDebugURL(const GURL& url) {
 #if defined(ENABLE_PLUGINS)
   bool crash = url == GURL(kChromeUIPpapiFlashCrashURL);
@@ -36,6 +48,51 @@ void HandlePpapiFlashDebugURL(const GURL& url) {
 #endif
 }
 
+bool IsAsanDebugURL(const GURL& url) {
+#if defined(SYZYASAN)
+  if (!base::debug::IsBinaryInstrumented())
+    return false;
+#endif
+  return url.is_valid() &&
+      url.DomainIs(kAsanCrashDomain, sizeof(kAsanCrashDomain) - 1) &&
+      url.has_path() && (url.path() == kAsanHeapOverflow ||
+                         url.path() == kAsanHeapUnderflow ||
+                         url.path() == kAsanUseAfterFree ||
+#if defined(SYZYASAN) && defined(COMPILER_MSVC)
+                         url.path() == kAsanCorruptHeapBlock ||
+                         url.path() == kAsanCorruptHeap
+#endif
+                        );
+}
+
+bool HandleAsanDebugURL(const GURL& url) {
+#if defined(SYZYASAN)
+  if (!base::debug::IsBinaryInstrumented())
+    return false;
+
+  if (url.path() == kAsanCorruptHeapBlock) {
+    base::AsanCorruptHeapBlock();
+    return true;
+  } else if (url.path() == kAsanCorruptHeap) {
+    base::AsanCorruptHeap();
+    return true;
+  }
+#endif
+
+  if (url.path() == kAsanHeapOverflow) {
+    base::AsanHeapOverflow();
+  } else if (url.path() == kAsanHeapUnderflow) {
+    base::AsanHeapUnderflow();
+  } else if (url.path() == kAsanUseAfterFree) {
+    base::AsanHeapUseAfterFree();
+  } else {
+    return false;
+  }
+
+  return true;
+}
+
+
 }  // namespace
 
 bool HandleDebugURL(const GURL& url, PageTransition transition) {
@@ -46,6 +103,9 @@ bool HandleDebugURL(const GURL& url, PageTransition transition) {
   // NOTE: when you add handling of any URLs to this function, also
   // update IsDebugURL, below.
 
+  if (IsAsanDebugURL(url))
+    return HandleAsanDebugURL(url);
+
   if (url.host() == kChromeUIBrowserCrashHost) {
     // Induce an intentional crash in the browser process.
     CHECK(false);
@@ -86,7 +146,7 @@ bool HandleDebugURL(const GURL& url, PageTransition transition) {
 bool IsDebugURL(const GURL& url) {
   // NOTE: when you add any URLs to this list, also update
   // HandleDebugURL, above.
-  return IsRendererDebugURL(url) ||
+  return IsRendererDebugURL(url) || IsAsanDebugURL(url) ||
       (url.is_valid() &&
        (url.host() == kChromeUIBrowserCrashHost ||
         url == GURL(kChromeUIGpuCleanURL) ||