commit 23e48bde94ee2ab22aabbbcfd641644a6071875d
author Yabin Cui <yabinc@google.com> Wed Jan 29 15:34:24 2025 -0800
committer Yabin Cui <yabinc@google.com> Wed Jan 29 15:34:24 2025 -0800
tree 0f0212d17a8b4c9577ad96e15c6e7f143325d250
parent 9748a9d8d1c05cfa5faf1e71854c95c8fbfde32a

simpleperf: Disable core dump

Bug: 390626125
Test: run CtsSimpleperfTestCases
Change-Id: I84289426e1832a11683267c264c3ebb5196e78a6

simpleperf/main.cpp

diff --git a/simpleperf/main.cpp b/simpleperf/main.cpp
index 221ecd0..06ab81a 100644
--- a/simpleperf/main.cpp
+++ b/simpleperf/main.cpp
@@ -16,6 +16,7 @@
 
 #if defined(__ANDROID__)
 #include <android-base/properties.h>
+#include <sys/prctl.h>
 #endif
 
 #include "command.h"
@@ -75,6 +76,8 @@
   if (!AndroidSecurityCheck()) {
     return 1;
   }
+  // Disable core dump to avoid leaking raw sample info.
+  prctl(PR_SET_DUMPABLE, 0);
 #endif
   RegisterAllCommands();
   return RunSimpleperfCmd(argc, argv) ? 0 : 1;