From f0c9edcfa5ccab161bbcdc0132aafaf09e62a186 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Tue, 22 Oct 2019 11:24:51 -0700
Subject: [PATCH] Do not request executable permission on Fuchsia file mappings
 unless it is required (#13290)

Fixes https://github.com/flutter/flutter/issues/43273
---
 shell/platform/fuchsia/flutter/component.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/shell/platform/fuchsia/flutter/component.cc b/shell/platform/fuchsia/flutter/component.cc
index 66c5591b262..4ba6f06e717 100644
--- a/shell/platform/fuchsia/flutter/component.cc
+++ b/shell/platform/fuchsia/flutter/component.cc
@@ -99,9 +99,11 @@ static std::unique_ptr<fml::FileMapping> MakeFileMapping(const char* path,
 
   using Protection = fml::FileMapping::Protection;
 
+  std::initializer_list<Protection> protection_execute = {Protection::kRead,
+                                                          Protection::kExecute};
+  std::initializer_list<Protection> protection_read = {Protection::kRead};
   auto mapping = std::make_unique<fml::FileMapping>(
-      fml::UniqueFD{fd}, std::initializer_list<Protection>{
-                             Protection::kRead, Protection::kExecute});
+      fml::UniqueFD{fd}, executable ? protection_execute : protection_read);
 
   if (!mapping->IsValid()) {
     return nullptr;