From d630221933e4dea8441d7de2419c0c87cc4ecd93 Mon Sep 17 00:00:00 2001
From: Yaz Saito on W541 <saito@carbon3d.com>
Date: Mon, 11 Apr 2016 14:35:42 -0700
Subject: [PATCH] Allow permission line in /proc/self/map to be "rwx", not just
 "r-x". At least in Ubuntu14, a binary file that's writable by the process
 owner has permission "rwx", not "r-x".

---
 src/symbolize.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/symbolize.cc b/src/symbolize.cc
index b25f7479d..b18796e15 100644
--- a/src/symbolize.cc
+++ b/src/symbolize.cc
@@ -569,8 +569,8 @@ OpenObjectFileContainingPcAndGetStartAddress(uint64_t pc,
       return -1;  // Malformed line.
     }
 
-    // Check flags.  We are only interested in "r-x" maps.
-    if (memcmp(flags_start, "r-x", 3) != 0) {  // Not a "r-x" map.
+   // Check flags.  We are only interested in "r*x" maps.
+    if (flags_start[0] != 'r' || flags_start[2] != 'x') {
       continue;  // We skip this map.
     }
     ++cursor;  // Skip ' '.