From 4d7657e27bb83a9fbe385b52822795e38a045c31 Mon Sep 17 00:00:00 2001
From: Jan Grulich <grulja@gmail.com>
Date: Thu, 28 Oct 2021 22:52:37 +0200
Subject: [PATCH] PipeWire capturer: fix crash when dlopening EGL and OpenGL

We need to use RTC_NOT_SANITIZE("cfi-icall") everywhere where we do
function typecasting, otherwise doing official Chrome builds will result
into crash.

Bug: chromium:1262535
Change-Id: If7358ccab6bd626e494b7ecd3077aa29502080c1
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/236587
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Tommi <tommi@webrtc.org>
Commit-Queue: Tommi <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35281}
---
 modules/desktop_capture/linux/egl_dmabuf.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/desktop_capture/linux/egl_dmabuf.cc b/modules/desktop_capture/linux/egl_dmabuf.cc
index 4c4e182698..c78036b20c 100644
--- a/modules/desktop_capture/linux/egl_dmabuf.cc
+++ b/modules/desktop_capture/linux/egl_dmabuf.cc
@@ -157,6 +157,7 @@ static void CloseLibrary(void* library) {
 
 static void* g_lib_egl = nullptr;
 
+RTC_NO_SANITIZE("cfi-icall")
 static bool OpenEGL() {
   g_lib_egl = dlopen("libEGL.so.1", RTLD_NOW | RTLD_GLOBAL);
   if (g_lib_egl) {
@@ -168,6 +169,7 @@ static bool OpenEGL() {
   return false;
 }
 
+RTC_NO_SANITIZE("cfi-icall")
 static bool LoadEGL() {
   if (OpenEGL()) {
     EglBindAPI = (eglBindAPI_func)EglGetProcAddress("eglBindAPI");
@@ -198,6 +200,7 @@ static bool LoadEGL() {
 
 static void* g_lib_gl = nullptr;
 
+RTC_NO_SANITIZE("cfi-icall")
 static bool OpenGL() {
   std::vector<std::string> names = {"libGL.so.1", "libGL.so"};
   for (const std::string& name : names) {
@@ -212,6 +215,7 @@ static bool OpenGL() {
   return false;
 }
 
+RTC_NO_SANITIZE("cfi-icall")
 static bool LoadGL() {
   if (OpenGL()) {
     GlGetString = (glGetString_func)GlXGetProcAddressARB("glGetString");