fix: NCs in mediaextractor
Bug: 62255959
Test: adb shell monkey -p com.google.android.deskclock -p
com.android.calculator2 -p com.google.android.contacts -p
com.android.launcher -p com.google.android.launcher -p com.android.mms
-p com.google.android.apps.messaging -p com.android.phone -p
com.google.android.dialer -p com.android.providers.downloads.ui -p
com.android.settings -p com.google.android.calendar -p
com.google.android.GoogleCamera -p com.google.android.apps.photos -p
com.google.android.gms -p com.google.android.setupwizard -p
com.google.android.googlequicksearchbox -p
com.google.android.packageinstaller -p
com.google.android.apps.nexuslauncher -c
android.intent.category.LAUNCHER --ignore-security-exceptions
--monitor-native-crashes -s 490 -v -v -v 125000
Change-Id: If0aab0bca3237d1140dd8153ec614479c3c0ba2e
diff --git a/services/mediaextractor/main_extractorservice.cpp b/services/mediaextractor/main_extractorservice.cpp
index 9bc69c4..6a5320d 100644
--- a/services/mediaextractor/main_extractorservice.cpp
+++ b/services/mediaextractor/main_extractorservice.cpp
@@ -25,6 +25,7 @@
#include <string>
#include <android-base/logging.h>
+#include <utils/misc.h>
// from LOCAL_C_INCLUDES
#include "IcuUtils.h"
@@ -47,6 +48,13 @@
20 /* upper limit as percentage of physical RAM */);
signal(SIGPIPE, SIG_IGN);
+
+ //b/62255959: this forces libutis.so to dlopen vendor version of libutils.so
+ //before minijail is on. This is dirty but required since some syscalls such
+ //as pread64 are used by linker but aren't allowed in the minijail. By
+ //calling the function before entering minijail, we can force dlopen.
+ android::report_sysprop_change();
+
SetUpMinijail(kSystemSeccompPolicyPath, kVendorSeccompPolicyPath);
InitializeIcuOrDie();