DivestOS/Patches/LineageOS-16.0/android_frameworks_av/0001-HM-No_RLIMIT_AS.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Wed, 5 Dec 2018 09:29:25 -0500
Subject: [PATCH] avoid setting RLIMIT_AS with hardened malloc

This needs to be ported to a better mechanism like memory control groups
in order to remain compatible with hardening mechanisms based on large
PROT_NONE address space reservations.

Change-Id: Ibfb7164d764fcb9244055953bedc9a1c424cedcb
---
 media/libmedia/MediaUtils.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/media/libmedia/MediaUtils.cpp b/media/libmedia/MediaUtils.cpp
index bcdc3bdcfe..de217c70bf 100644
--- a/media/libmedia/MediaUtils.cpp
+++ b/media/libmedia/MediaUtils.cpp
@@ -38,6 +38,14 @@ void limitProcessMemory(
         return;
     }
 
+#ifdef __LP64__
+    // This needs to be ported to a better mechanism like memory control groups
+    // in order to remain compatible with hardening mechanisms based on large
+    // PROT_NONE address space reservations.
+    ALOGW("Running with hardened malloc implementation, skip enforcing memory limitations.");
+    return;
+#endif
+
     long pageSize = sysconf(_SC_PAGESIZE);
     long numPages = sysconf(_SC_PHYS_PAGES);
     size_t maxMem = SIZE_MAX;