DivestOS/Patches/LineageOS-21.0/android_bionic/0001-HM-Workaround-2.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Dmitry Muhomor <muhomor.dmitry@gmail.com>
Date: Tue, 12 Dec 2023 20:37:48 +0200
Subject: [PATCH] disable hardened_malloc for surfaceflinger

---
 libc/bionic/libc_init_dynamic.cpp | 3 +++
 libc/bionic/malloc_common.cpp     | 1 +
 libc/include/stdlib.h             | 1 +
 3 files changed, 5 insertions(+)

diff --git a/libc/bionic/libc_init_dynamic.cpp b/libc/bionic/libc_init_dynamic.cpp
index 042d037a3..9f17fd16a 100644
--- a/libc/bionic/libc_init_dynamic.cpp
+++ b/libc/bionic/libc_init_dynamic.cpp
@@ -93,6 +93,9 @@ static void init_prog_id(libc_globals* globals) {
   if (IS("/apex/com.google.pixel.camera.hal/bin/hw/android.hardware.camera.provider@2.7-service-google")) {
     prog_id = PROG_PIXEL_CAMERA_PROVIDER_SERVICE;
   }
+  else if (IS("/system/bin/surfaceflinger")) {
+    prog_id = PROG_SURFACEFLINGER;
+  }
 #undef IS
 
   // libc_globals struct is write-protected
diff --git a/libc/bionic/malloc_common.cpp b/libc/bionic/malloc_common.cpp
index 9b7310347..1ab4861af 100644
--- a/libc/bionic/malloc_common.cpp
+++ b/libc/bionic/malloc_common.cpp
@@ -426,6 +426,7 @@ void InitNativeAllocatorDispatch(libc_globals* globals) {
   bool hardened_impl = true;
   switch (get_prog_id()) {
       case PROG_PIXEL_CAMERA_PROVIDER_SERVICE:
+      case PROG_SURFACEFLINGER:
         hardened_impl = false;
         break;
       default:
diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index cb8d3d3b2..5dd67daa4 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -214,6 +214,7 @@ int get_prog_id();
 #define is_prog(id) (get_prog_id() == id)
 
 #define PROG_PIXEL_CAMERA_PROVIDER_SERVICE 1
+#define PROG_SURFACEFLINGER 3
 __END_DECLS
 
 #include <android/legacy_stdlib_inlines.h>