libmmkv.so crash

[Leiluojun]

backtrace:
#00 pc 00000000000213b0 /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/lib/arm64/libmmkv.so
#1 pc 000000000002162c /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/lib/arm64/libmmkv.so
#2 pc 000000000001c87c /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/lib/arm64/libmmkv.so
#3 pc 000000000001c290 /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/lib/arm64/libmmkv.so
#4 pc 000000000001b880 /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/lib/arm64/libmmkv.so
#5 pc 000000000001426c /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/lib/arm64/libmmkv.so
#6 pc 0000000000011060 /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/lib/arm64/libmmkv.so
#7 pc 00000000000d9bfc /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/oat/arm64/base.odex (offset 0xd8000) (com.tencent.mmkv.MMKV.encodeBytes [DEDUPED]+188)
#8 pc 0000000000562b88 /system/lib64/libart.so (art_quick_invoke_stub+584)
#9 pc 00000000000d0340 /system/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+200)
#10 pc 0000000000284bb8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToCompiledCodeBridge(art::Thread*, art::ArtMethod*, art::ShadowFrame*, unsigned short, art::JValue*)+344)
#11 pc 000000000027eb74 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+948)
#12 pc 00000000005338b8 /system/lib64/libart.so (MterpInvokeDirect+296)
#13 pc 0000000000555394 /system/lib64/libart.so (ExecuteMterpImpl+14484)
#14 pc 00000000005408e0 /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/oat/arm64/base.vdex (com.tencent.mmkv.MMKV.a+280)
#15 pc 0000000000258670 /system/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool) (.llvm.2206941876)+496)
#16 pc 000000000025e1f0 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
#17 pc 000000000027eb58 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+920)
#18 pc 00000000005355c8 /system/lib64/libart.so (MterpInvokeVirtualQuick+584)
#19 pc 0000000000559014 /system/lib64/libart.so (ExecuteMterpImpl+29972)
#20 pc 0000000000529586 /data/app/com.ss.android.videos.ll-vdwLW3LOiZNU9YkDNxAvfQ==/oat/arm64/base.vdex (com.lenovo.anyshare.adu$1.run+106)
#21 pc 0000000000258670 /system/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool) (.llvm.2206941876)+496)
#22 pc 0000000000521f90 /system/lib64/libart.so (artQuickToInterpreterBridge+1032)
#23 pc 000000000056bcfc /system/lib64/libart.so (art_quick_to_interpreter_bridge+92)
#24 pc 0000000000bcf4c4 /system/framework/arm64/boot.oat (offset 0x2dc000) (java.util.concurrent.ThreadPoolExecutor.runWorker+996)
#25 pc 0000000000bcc230 /system/framework/arm64/boot.oat (offset 0x2dc000) (java.util.concurrent.ThreadPoolExecutor$Worker.run+64)
#26 pc 0000000000a59c58 /system/framework/arm64/boot.oat (offset 0x2dc000) (java.lang.Thread.run+72)
#27 pc 0000000000562b88 /system/lib64/libart.so (art_quick_invoke_stub+584)
#28 pc 00000000000d0340 /system/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+200)
#29 pc 0000000000466560 /system/lib64/libart.so (art::(anonymous namespace)::InvokeWithArgArray(art::ScopedObjectAccessAlreadyRunnable const&, art::ArtMethod*, art::(anonymous namespace)::ArgArray*, art::JValue*, char const*)+104)
#30 pc 0000000000467628 /system/lib64/libart.so (art::InvokeVirtualOrInterfaceWithJValues(art::ScopedObjectAccessAlreadyRunnable const&, _jobject*, _jmethodID*, jvalue*)+424)
#31 pc 00000000004946f8 /system/lib64/libart.so (art::Thread::CreateCallback(void*)+1120)
#32 pc 0000000000084d6c /system/lib64/libc.so (__pthread_start(void*)+36)
#33 pc 00000000000234cc /system/lib64/libc.so (__start_thread+68)

[lingol]

Please follow the issue template, provide detailed info such as platform, version of MMKV, detailed crash stacks, logs of MMKV, etc.

[Leiluojun]

platform：Android
version：1.2.1
Most crashes occurred on Android 9.0 devices

[lishuoyan]

我也遇到这样的问题。
在android 9.0和10.0上。
mmkv是1.2.1版本。
红米和oppo都有报。

[lingol]

mmkv::CodedOutputData::writeRawByte(unsigned char)
/Users/lingol/Developer/mmkv/Core/CodedOutputData.cpp:118
mmkv::CodedOutputData::writeRawVarint32(int)
/Users/lingol/Developer/mmkv/Core/CodedOutputData.cpp:135
MMKV::doAppendDataWithKey(mmkv::MMBuffer const&, mmkv::MMBuffer const&, bool, unsigned int)
/Users/lingol/Developer/mmkv/Core/MMKV_IO.cpp:656
MMKV::appendDataWithKey(mmkv::MMBuffer const&, std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator > const&, bool)
/Users/lingol/Developer/mmkv/Core/MMKV_IO.cpp:687
MMKV::setDataForKey(mmkv::MMBuffer&&, std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator > const&, bool)
/Users/lingol/Developer/mmkv/Core/MMKV_IO.cpp:561
MMKV::set(std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator > const&, std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator > const&)
/Users/lingol/Developer/mmkv/Core/MMKV.cpp:468
mmkv::encodeString(_JNIEnv*, _jobject*, long, _jstring*, _jstring*)
/Users/lingol/Developer/mmkv/Android/MMKV/mmkv/.cxx/cmake/StaticCppRelease/arm64-v8a/../../../../src/main/cpp/native-bridge.cpp:465

1. Either there's not enough space on the device. In which case you can check the available space on your crash report systems.
2. Or, you are accessing a multi-process MMKV instance with single-process mode. In which case you can upgrade to MMKV v1.2.2, you should face an exception about that.

[Leiluojun]

I should upgrade to MMKV v1.2.2 and support muliti_process?

[lingol]

I should upgrade to MMKV v1.2.2 and support muliti_process?

No. You should first check your crash report to see if there's enough space. And if yes, then you should alert users to clean up enough space to continue using your App.

And if no, then you should upgrade to v1.2.2 to check if you are mistakenly using MMKV. And if yes, you should change it to MULTI_PROCESS_MODE.

[lingol]

MMKV itself supports multi-process accessing from the very beginning. There's no such thing as to upgrade to v1.2.2 and support multi-process.

[Leiluojun]

ok thanks

[Leiluojun]

I check user has enough space，It should be the cause of multiple processes
But I didn't replicate this crash in multiple processes，Is this crash an occasional occurrence?
How can I reproduce it？

[lingol]

I check user has enough space，It should be the cause of multiple processes
But I didn't replicate this crash in multiple processes，Is this crash an occasional occurrence?
How can I reproduce it？

I believe I have told you how.

[Leiluojun]

When I upgrade mmkv to 1.2.2 and support multi-process ，There have been a lot of crashes，such as：
platform：Android
mmkv:1.2.2

How should I fix it？thanks

backtrace:
#00 pc 0000000000017114 /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/lib/arm64/libmmkv.so
#1 pc 00000000000188b4 /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/lib/arm64/libmmkv.so
#2 pc 0000000000010470 /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/lib/arm64/libmmkv.so
#3 pc 00000000001bf2cc /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/oat/arm64/base.odex (art_jni_trampoline+236)
#4 pc 00000000001375b8 /apex/com.android.runtime/lib64/libart.so (art_quick_invoke_static_stub+568)
#5 pc 000000000014608c /apex/com.android.runtime/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+276)
#6 pc 00000000002e0c94 /apex/com.android.runtime/lib64/libart.so (art::interpreter::ArtInterpreterToCompiledCodeBridge(art::Thread*, art::ArtMethod*, art::ShadowFrame*, unsigned short, art::JValue*)+384)
#7 pc 00000000002dbf74 /apex/com.android.runtime/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+912)
#8 pc 000000000059cc50 /apex/com.android.runtime/lib64/libart.so (MterpInvokeStatic+368)
#9 pc 0000000000131994 /apex/com.android.runtime/lib64/libart.so (mterp_op_invoke_static+20)
#10 pc 00000000008e0a94 /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/oat/arm64/base.vdex (com.tencent.mmkv.MMKV.a+10)
#11 pc 000000000059cf50 /apex/com.android.runtime/lib64/libart.so (MterpInvokeStatic+1136)
#12 pc 0000000000131994 /apex/com.android.runtime/lib64/libart.so (mterp_op_invoke_static+20)
#13 pc 00000000008c4de2 /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/oat/arm64/base.vdex (com.ss.android.videos.adt.a+34)
#14 pc 00000000002b18e0 /apex/com.android.runtime/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.18252570399552585066)+240)
#15 pc 000000000058b6ac /apex/com.android.runtime/lib64/libart.so (artQuickToInterpreterBridge+1012)
#16 pc 0000000000140468 /apex/com.android.runtime/lib64/libart.so (art_quick_to_interpreter_bridge+88)
#17 pc 000000000023b5b8 /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/oat/arm64/base.odex (com.ss.android.videos.adm.a+88)
#18 pc 000000000023cb88 /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/oat/arm64/base.odex (com.ss.android.videos.ads.getSharedPreferences+648)
#19 pc 00000000002463ac /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/oat/arm64/base.odex (com.ss.android.videos.bph.a+460)
#20 pc 0000000000245ec4 /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/oat/arm64/base.odex (com.ss.android.videos.bph.+68)
#21 pc 0000000000137334 /apex/com.android.runtime/lib64/libart.so (art_quick_invoke_stub+548)
#22 pc 000000000014606c /apex/com.android.runtime/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+244)
#23 pc 00000000002e0c94 /apex/com.android.runtime/lib64/libart.so (art::interpreter::ArtInterpreterToCompiledCodeBridge(art::Thread*, art::ArtMethod*, art::ShadowFrame*, unsigned short, art::JValue*)+384)
#24 pc 00000000002dbf74 /apex/com.android.runtime/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+912)
#25 pc 000000000059c444 /apex/com.android.runtime/lib64/libart.so (MterpInvokeDirect+400)
#26 pc 0000000000131914 /apex/com.android.runtime/lib64/libart.so (mterp_op_invoke_direct+20)
#27 pc 00000000006462da /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/oat/arm64/base.vdex (com.ss.android.videos.aby.+124)
#28 pc 00000000002b18e0 /apex/com.android.runtime/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.18252570399552585066)+240)
#29 pc 000000000058b6ac /apex/com.android.runtime/lib64/libart.so (artQuickToInterpreterBridge+1012)
#30 pc 0000000000140468 /apex/com.android.runtime/lib64/libart.so (art_quick_to_interpreter_bridge+88)
#31 pc 00000000001375b8 /apex/com.android.runtime/lib64/libart.so (art_quick_invoke_static_stub+568)
#32 pc 000000000014608c /apex/com.android.runtime/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+276)
#33 pc 00000000001719c8 /apex/com.android.runtime/lib64/libart.so (art::ClassLinker::InitializeClass(art::Thread*, art::Handleart::mirror::Class, bool, bool)+1920)
#34 pc 000000000015c948 /apex/com.android.runtime/lib64/libart.so (art::ClassLinker::EnsureInitialized(art::Thread*, art::Handleart::mirror::Class, bool, bool)+92)
#35 pc 00000000005a183c /apex/com.android.runtime/lib64/libart.so (MterpNewInstance+696)
#36 pc 000000000012f210 /apex/com.android.runtime/lib64/libart.so (mterp_op_new_instance+16)
#37 pc 00000000008cb848 /data/app/com.ss.android.videos.ll-PMPO4o2RmhcW4wzN0hsXkQ==/oat/arm64/base.vdex (com.ss.android.videos.byo$1.run+102)
#38 pc 00000000002b18e0 /apex/com.android.runtime/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.18252570399552585066)+240)
#39 pc 000000000058b6ac /apex/com.android.runtime/lib64/libart.so (artQuickToInterpreterBridge+1012)
#40 pc 0000000000140468 /apex/com.android.runtime/lib64/libart.so (art_quick_to_interpreter_bridge+88)
#41 pc 00000000002fa878 /system/framework/arm64/boot.oat (java.util.concurrent.ThreadPoolExecutor.runWorker+984)
#42 pc 00000000002f7ee0 /system/framework/arm64/boot.oat (java.util.concurrent.ThreadPoolExecutor$Worker.run+64)
#43 pc 00000000001a5568 /system/framework/arm64/boot.oat (java.lang.Thread.run+72)
#44 pc 0000000000137334 /apex/com.android.runtime/lib64/libart.so (art_quick_invoke_stub+548)
#45 pc 000000000014606c /apex/com.android.runtime/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+244)
#46 pc 00000000004ab6f0 /apex/com.android.runtime/lib64/libart.so (art::(anonymous namespace)::InvokeWithArgArray(art::ScopedObjectAccessAlreadyRunnable const&, art::ArtMethod*, art::(anonymous namespace)::ArgArray*, art::JValue*, char const*)+104)
#47 pc 00000000004ac784 /apex/com.android.runtime/lib64/libart.so (art::InvokeVirtualOrInterfaceWithJValues(art::ScopedObjectAccessAlreadyRunnable const&, _jobject*, _jmethodID*, jvalue const*)+416)
#48 pc 00000000004ecac4 /apex/com.android.runtime/lib64/libart.so (art::Thread::CreateCallback(void*)+1176)
#49 pc 00000000000e28c0 /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*)+36)
#50 pc 000000000008503c /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+64)

[lingol]

Are you using mmkv or mmkv-static?

It crashed inside C++ standard library.

[lingol]

std::__ndk1::__bucket_list_deallocator<std::__ndk1::allocator<std::__ndk1::__hash_node_base<std::__ndk1::__hash_node<std::__ndk1::__hash_value_type<std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator >, MMKV*>, void*>>> >::size() const at /Users/lingol/Library/Android/sdk/android-ndk-r16b/sources/cxx-stl/llvm-libc++/include/__hash_table:815
std::__ndk1::unordered_map<std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator >, MMKV*, std::__ndk1::hash<std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator > >, std::__ndk1::equal_to<std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator > >, std::__ndk1::allocator<std::__ndk1::pair<std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator > const, MMKV*> > >::find(std::__ndk1::basic_string<char, std::__ndk1::char_traits, std::__ndk1::allocator > const&) at /Users/lingol/Library/Android/sdk/android-ndk-r16b/sources/cxx-stl/llvm-libc++/include/unordered_map:1102
mmkv::getMMKVWithID(_JNIEnv*, _jobject*, _jstring*, int, _jstring*, _jstring*) at /Users/lingol/Developer/mmkv/Android/MMKV/mmkv/.cxx/cmake/StaticCppRelease/arm64-v8a/../../../../src/main/cpp/native-bridge.cpp:258

Assuming you are using mmkv-static, that's the crash stacks above. It's inside C++ standard lib. I don't have any clue.

[lingol]

Maybe you can upload a reproducible demo project.

[Leiluojun]

I use 'com.tencent:mmkv-static:1.2.2'

[lingol]

It's a dead end here.

[samlu]

Off the topic, I compiled mmkv with MMKV_DISABLE_CRYPT defined. I also see some libmmkv.so crash log.
Would you show us how to generate the symbol file and get a human-readable code dump stacks?

I don't see it from the FAQ or other WiKi pages.

[lingol]

Off the topic, I compiled mmkv with MMKV_DISABLE_CRYPT defined. I also see some libmmkv.so crash log.
Would you show us how to generate the symbol file and get a human-readable code dump stacks?

I don't see it from the FAQ or other WiKi pages.

In the beginning, I thought symbolizing crash stacks is Android-Programming-101 for Android developers. But un-symbolized crash stacks keep coming to almost all issues from Android developers. I just gave up and symbolized myself for you.

[lingol]

In one word, Google yourself. It's not about MMKV is any kind of special. It's about symbolizing Android native call stacks.

[lingol]

Maybe you can upload a reproducible demo project.

Can you reproduce it on a demo project? @Leiluojun

[lingol]

Any updates yet?

[lingol]

Close due to inactive.

[Xiaomao136]

Oh, it was closed before the problem was solved, and I expressed regret.

[lingol]

Oh, it was closed before the problem was solved, and I expressed regret.

If you can provide additional info such as a reproducible demo, you are very well welcome to create a new issue.