strange backtrace from android debuggerd - android

I am confused about some backtrace dump from android debuggerd
backtrace:
#00 pc 00019d5c /system/lib/libc.so (syscall+28)
#01 pc 0001d207 /system/lib/libc.so (__futex_wait_ex(void volatile*, bool, int, bool, timespec const*)+86)
#02 pc 00064303 /system/lib/libc.so (NonPI::MutexLockWithTimeout(pthread_mutex_internal_t*, bool, timespec const*)+154)
#03 pc 006030a1 /data/app/com.xxx.xxxxx/lib/arm/libB.so (std::__ndk1::mutex::lock()+4)
#04 pc 000e63e9 /data/app/com.xxx.xxxxx/lib/arm/libA.so (A::Test1::InTest2()+28)
#05 pc 000e63bd /data/app/com.xxx.xxxxx/lib/arm/libA.so (A::Test1::InTest1()+160)
#06 pc 000637f5 /system/lib/libc.so (__pthread_start(void*)+22)
#07 pc 0001e019 /system/lib/libc.so (__start_thread+24)
I am sure that I don't dynamicly link libB.so to libA.so. but the backtrace show A::Test1::InTest2() call libB.so (std::__ndk1::mutex::lock()+4)
What is the meaning of this backtrace.

Related

Android crash because of ACodec

I have seen a lot of Android cash reports in 2021 in Google Play Console, the crash is thrown from libstagefright.so library, it's native code, I have no way to find from where or which activiy they are throwing.
Here is the stack trace:
backtrace:
#00 pc 00000000000b24a4 /system/lib/libstagefright.so (android::DataConverter::convert(android::spandroid::MediaCodecBuffer const&, android::spandroid::MediaCodecBuffer&)+27)
#00 pc 000000000009d14b /system/lib/libstagefright.so (android::ACodec::BaseState::onOMXFillBufferDone(unsigned int, unsigned int, unsigned int, unsigned int, long long, int)+594)
#00 pc 000000000009ca8f /system/lib/libstagefright.so (android::ACodec::BaseState::onOMXMessage(android::spandroid::AMessage const&)+274)
#00 pc 000000000000fc0b /system/lib/libstagefright_foundation.so (android::AHierarchicalStateMachine::handleMessage(android::spandroid::AMessage const&)+58)
#00 pc 000000000009c887 /system/lib/libstagefright.so (android::ACodec::BaseState::onOMXMessageList(android::spandroid::AMessage const&)+106)
#00 pc 000000000009c4e1 /system/lib/libstagefright.so (android::ACodec::BaseState::onMessageReceived(android::spandroid::AMessage const&)+460)
#00 pc 000000000000fc0b /system/lib/libstagefright_foundation.so (android::AHierarchicalStateMachine::handleMessage(android::spandroid::AMessage const&)+58)
#00 pc 000000000000fa85 /system/lib/libstagefright_foundation.so (android::AHandler::deliverMessage(android::spandroid::AMessage const&)+24)
#00 pc 0000000000011f91 /system/lib/libstagefright_foundation.so (android::AMessage::deliver()+60)
#00 pc 00000000000106eb /system/lib/libstagefright_foundation.so (android::ALooper::loop()+470)
#00 pc 000000000000d32b /system/lib/libutils.so (android::Thread::_threadLoop(void*)+270)
#00 pc 000000000006e919 /system/lib/libandroid_runtime.so (android::AndroidRuntime::javaThreadShell(void*)+80)
#00 pc 0000000000047ba3 /system/lib/libc.so (__pthread_start(void*)+22)
#00 pc 000000000001b067 /system/lib/libc.so (__start_thread+32)

native crash on SM-J410G, android 8.1

I made some research and was not able to understand what could be the reason of this crash.
Does anyone have a clue? thanks!!
Here are some logs . It only crash on the devices, SM-J410G android 8.1
pid: 0, tid: 0 >>> com.app99.driver <<<
backtrace:
#00 pc 000000000001a70e /system/lib/libc.so (abort+63)
#00 pc 00000000000065a1 /system/lib/liblog.so (__android_log_assert+156)
#00 pc 000000000002fe31 /system/lib/libhwui.so (android::uirenderer::debug::GlesErrorCheckWrapper::assertNoErrors(char const*)+192)
#00 pc 000000000005c02d /system/lib/libhwui.so (android::uirenderer::Caches::flush(android::uirenderer::Caches::FlushMode)+116)
#00 pc 000000000004f835 /system/lib/libhwui.so (android::uirenderer::renderthread::Bridge_destroyHardwareResources(android::uirenderer::renderthread::destroyHardwareResourcesArgs*)+4)
#00 pc 0000000000050233 /system/lib/libhwui.so (android::uirenderer::renderthread::MethodInvokeRenderTask::run()+10)
#00 pc 00000000000503b3 /system/lib/libhwui.so (android::uirenderer::renderthread::SignalingRenderTask::run()+10)
#00 pc 0000000000051103 /system/lib/libhwui.so (android::uirenderer::renderthread::RenderThread::threadLoop()+178)
#00 pc 000000000000d23d /system/lib/libutils.so (android:🧵:_threadLoop(void*)+144)
#00 pc 0000000000068f89 /system/lib/libandroid_runtime.so (android::AndroidRuntime::javaThreadShell(void*)+80)
#00 pc 00000000000479df /system/lib/libc.so (__pthread_start(void*)+22)
#00 pc 000000000001b2dd /system/lib/libc.so (__start_thread+32)

Upgraded From NDK r10e to r21d --- Runtime Crash I Don't Understand

The crash happens when trying to new an object with a default constructor. I don't know what _Unwind_Resume is trying to tell me here.
********** Crash dump: **********
Build fingerprint: 'google/hammerhead/hammerhead:6.0.1/M4B30Z/3437181:user/release-keys'
#00 0x00041f50 /system/lib/libc.so (tgkill+12)
#01 0x0003fb5d /system/lib/libc.so (pthread_kill+32)
#02 0x0001c30f /system/lib/libc.so (raise+10)
#03 0x000194c1 /system/lib/libc.so (__libc_android_abort+34)
#04 0x000174ac /system/lib/libc.so (abort+4)
#05 0x000e66f9 /data/app/com.my.package-1/lib/arm/libname.so
unwind_phase2(unw_context_t*, unw_cursor_t*, _Unwind_Control_Block*, bool)
/Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/../../external/libunwind_llvm/src/Unwind-EHABI.cpp:648:9
#06 0x000e6797 /data/app/com.my.package-1/lib/arm/libname.so
_Unwind_Resume
/Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/../../external/libunwind_llvm/src/Unwind-EHABI.cpp:715:3
#07 0x00073b28 /data/app/com.my.package-1/lib/arm/libname.so
AAA::BB::Create()
/gmae/AAA/src/BB.cpp:65:16
#08 0x00074bc8 /data/app/com.my.package-1/lib/arm/libname.so (Java_AAA_BB_create+8)
Java_AAA_BB_create
/AAA/src/jni_BB.cpp:20:7
#09 0x02f2f28d /data/app/com.my.package-1/oat/arm/base.odex (offset 0x14c5000) (void AAA.BB.create()+72)
#10 0x02f2f171 /data/app/com.my.package-1/oat/arm/base.odex (offset 0x14c5000) (void AAA.BB.()+76)

My game is crashing. The crash report is attached

I uploaded a game to the play store and the game is sometimes crashing. The reason given by the google crash report is this:
pid: 0, tid: 0 >>> com.DefaultCompany.GravitysFault <<<
backtrace:
#00 pc 000000000007ba60 /system/lib64/libc.so (tgkill+8)
#01 pc 00000000004ffec4 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#02 pc 00000000005003d4 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#03 pc 0000000000164384 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#04 pc 0000000000161e00 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#05 pc 00000000001638bc /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#06 pc 000000000025cc50 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#07 pc 0000000000636278 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#08 pc 0000000000319eac /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#09 pc 0000000000445424 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#10 pc 00000000005e7570 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#11 pc 00000000005ef818 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#12 pc 00000000005e6d00 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#13 pc 000000000026b790 /data/app/com.DefaultCompany.GravitysFault-MPZSN7QrIjprfkcFvzErQA==/lib/arm64/libunity.so
#14 pc 0000000000090120 /system/lib64/libc.so (__pthread_start(void*)+36)
#15 pc 0000000000023968 /system/lib64/libc.so (__start_thread+68)
Can someone please tell me what it means?

Libc.so is an Android system library, and you might be able to learn more about diagnosing libc issues here: https://source.android.com/devices/tech/debug/native-crash. You could also use ndk-stack to try to get more data out of this stacktrace: https://developer.android.com/ndk/guides/ndk-stack

Crash only in Android8.0/7.0/7.1/6.0, due to libc.so (tgkill+12/abort+63)

I've searched on Google many times but did not find a way to locate the error code.
I'm seeing this native crash with the following stack trace.
Android 8.0
pid: 0, tid: 0 >>> package name <<<
Case 1
backtrace:
#00 pc 000000000004b10c /system/lib/libc.so (tgkill+12)
#01 pc 000000000001a9a3 /system/lib/libc.so (abort+54)
#02 pc 0000000000006849 /system/lib/liblog.so (__android_log_assert+152)
#03 pc 00000000000c72b7 /system/lib/libandroid_runtime.so (_ZN7android6bitmap8toBitmapEP7_JNIEnvP8_jobject+34)
#04 pc 00000000000d8003 /system/lib/libandroid_runtime.so (_ZL24BitmapShader_constructorP7_JNIEnvP8_jobjectxS2_ii+38)
#05 pc 0000000000a43c1b /system/framework/arm/boot-framework.oat (android.graphics.BitmapShader.nativeCreate [DEDUPED]+146)
#06 pc 0000000000a43d5d /system/framework/arm/boot-framework.oat (android.graphics.BitmapShader.createNativeInstance+68)
#07 pc 0000000000a436d5 /system/framework/arm/boot-framework.oat (android.graphics.Shader.getNativeInstance+100)
#08 pc 0000000000a5fcb5 /system/framework/arm/boot-framework.oat (android.graphics.Paint.getNativeInstance+68)
#09 pc 000000000110ed69 /system/framework/arm/boot-framework.oat (android.view.RecordingCanvas.drawCircle+64)
#10 pc 000000000001abf1 /dev/ashmem/dalvik-jit-code-cache (deleted)
Case 2
backtrace:
#00 pc 000000000004add4 /system/lib/libc.so (tgkill+12)
#01 pc 000000000001a6c3 /system/lib/libc.so (abort+54)
#02 pc 00000000000065f9 /system/lib/liblog.so (__android_log_assert+152)
#03 pc 00000000000c711f /system/lib/libandroid_runtime.so (_ZN7android6bitmap8toBitmapEP7_JNIEnvP8_jobject+34)
#04 pc 00000000000d7ec3 /system/lib/libandroid_runtime.so (_ZL24BitmapShader_constructorP7_JNIEnvP8_jobjectxS2_ii+38)
#05 pc 0000000000a15103 /system/framework/arm/boot-framework.oat (android.graphics.BitmapShader.nativeCreate [DEDUPED]+146)
#06 pc 0000000000a15245 /system/framework/arm/boot-framework.oat (android.graphics.BitmapShader.createNativeInstance+68)
#07 pc 0000000000a14bbd /system/framework/arm/boot-framework.oat (android.graphics.Shader.getNativeInstance+100)
#08 pc 0000000000a3115d /system/framework/arm/boot-framework.oat (android.graphics.Paint.getNativeInstance+68)
#09 pc 0000000000a173e7 /system/framework/arm/boot-framework.oat (android.graphics.Canvas.drawCircle+126)
#10 pc 0000000000023d49 /dev/ashmem/dalvik-jit-code-cache (deleted)
Case 3
backtrace:
#00 pc 000000000001a39a /system/lib/libc.so (abort+63)
#01 pc 000000000000655d /system/lib/liblog.so (__android_log_assert+156)
#02 pc 00000000000c125b /system/lib/libandroid_runtime.so (android::bitmap::toBitmap(_JNIEnv*, _jobject*)+34)
#03 pc 00000000000d19b5 /system/lib/libandroid_runtime.so (BitmapShader_constructor(_JNIEnv*, _jobject*, long long, _jobject*, int, int)+32)
#04 pc 00000000009da043 /system/framework/arm/boot-framework.oat (android.graphics.BitmapShader.nativeCreate [DEDUPED]+146)
#05 pc 00000000009da173 /system/framework/arm/boot-framework.oat (android.graphics.BitmapShader.createNativeInstance+66)
#06 pc 00000000009d9bb3 /system/framework/arm/boot-framework.oat (android.graphics.Shader.getNativeInstance+98)
#07 pc 00000000009f497f /system/framework/arm/boot-framework.oat (android.graphics.Paint.getNativeInstance+70)
#08 pc 0000000000ff3d51 /system/framework/arm/boot-framework.oat (android.view.RecordingCanvas.drawCircle+64)
#09 pc 0000000000001e4d /dev/ashmem/dalvik-jit-code-cache (deleted)
Android7.0/7.1
Case 1
backtrace:
#00 pc 000000000004a230 /system/lib/libc.so (tgkill+12)
#01 pc 00000000000479c3 /system/lib/libc.so (pthread_kill+34)
#02 pc 000000000001d9c5 /system/lib/libc.so (raise+10)
#03 pc 0000000000019511 /system/lib/libc.so (__libc_android_abort+34)
#04 pc 0000000000017150 /system/lib/libc.so (abort+4)
#05 pc 000000000000c687 /system/lib/libcutils.so (__android_log_assert+114)
#06 pc 00000000000a424b /system/lib/libandroid_runtime.so (_ZN7android6Bitmap15pinPixelsLockedEv+54)
#07 pc 00000000000a4283 /system/lib/libandroid_runtime.so (_ZN7android6Bitmap17refPixelRefLockedEv+34)
#08 pc 00000000000a43b9 /system/lib/libandroid_runtime.so (_ZN7android6Bitmap11getSkBitmapEP8SkBitmap+32)
#09 pc 00000000000ad57b /system/lib/libandroid_runtime.so
#10 pc 00000000021f0407 /system/framework/arm/boot-framework.oat (android.graphics.BitmapShader.nativeCreate+114)
#11 pc 00000000021f0349 /system/framework/arm/boot-framework.oat (android.graphics.BitmapShader.<init>+124)
#12 pc 00000000000002a1 /dev/ashmem/dalvik-jit-code-cache_8544_8544 (deleted)
Case 2
backtrace:
#00 pc 000000000004a720 /system/lib/libc.so (tgkill+12)
#01 pc 0000000000047eb3 /system/lib/libc.so (pthread_kill+34)
#02 pc 000000000001d955 /system/lib/libc.so (raise+10)
#03 pc 00000000000194a1 /system/lib/libc.so (__libc_android_abort+34)
#04 pc 00000000000170e4 /system/lib/libc.so (abort+4)
#05 pc 000000000000d6af /vendor/lib/libcutils.so (__android_log_assert+114)
#06 pc 00000000000a603f /system/lib/libandroid_runtime.so (_ZN7android6Bitmap15pinPixelsLockedEv+54)
#07 pc 00000000000a6077 /system/lib/libandroid_runtime.so (_ZN7android6Bitmap17refPixelRefLockedEv+34)
#08 pc 00000000000a61a5 /system/lib/libandroid_runtime.so (_ZN7android6Bitmap11getSkBitmapEP8SkBitmap+48)
#09 pc 00000000000b1237 /system/lib/libandroid_runtime.so
#10 pc 0000000074d013d7 /data/dalvik-cache/arm/system#framework#boot-framework.oat
Android 6.0
backtrace:
#00 pc 000000000004323c /system/lib/libc.so (tgkill+12)
#01 pc 0000000000041e45 /system/lib/libc.so (pthread_kill+32)
#02 pc 000000000001bb53 /system/lib/libc.so (raise+10)
#03 pc 0000000000018db1 /system/lib/libc.so (__libc_android_abort+34)
#04 pc 000000000001696c /system/lib/libc.so (abort+4)
#05 pc 00000000000091cb /system/lib/libcutils.so (__android_log_assert+86)
#06 pc 0000000000090fdf /system/lib/libandroid_runtime.so (_ZNK7android6Bitmap11assertValidEv+18)
#07 pc 000000000009105b /system/lib/libandroid_runtime.so (_ZN7android6Bitmap11getSkBitmapEP8SkBitmap+6)
#08 pc 000000000009a17b /system/lib/libandroid_runtime.so
#09 pc 000000007269b57f /data/dalvik-cache/arm/system#framework#boot.oat
Here's a list of devices that are effected:
1.According to Android Vitals statistics, This mainly happens in Android 8.0.A few parts occur on Android 7 & 7.1.

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