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How do I run release version of flutter apps ? #11

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shrkamat opened this issue Oct 22, 2021 · 0 comments
Open

How do I run release version of flutter apps ? #11

shrkamat opened this issue Oct 22, 2021 · 0 comments

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@shrkamat
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I would like to measure the memory taken for an Flutter app in release mode.
First verified that debug build works fine, then attempted to build release version of the app, but it failed to run. I think the root cause being kernel_blob.bin is deleted in release mode.

flutter build bundle --release

after this I see that flutter_assets/kernel_blob.bin file is deleted.

wayland embedder fails to run if this file is missing.

error reported
ERROR: ../utils.cc:56: Kernel blob does not exist.
   <Invalid Flutter Asset Bundle>   
Flutter Wayland Embedder
========================
Usage: `wayland_embedder_meson <asset_bundle_path> <flutter_flags>`
This utility runs an instance of a Flutter application and renders using
Wayland core protocols.

The Flutter tools can be obtained at https://flutter.io/

asset_bundle_path: The Flutter application code needs to be snapshotted using
                   the Flutter tools and the assets packaged in the appropriate
                   location. This can be done for any Flutter application by
                   running `flutter build bundle` while in the directory of a
                   valid Flutter project. This should package all the code and
                   assets in the "build/flutter_assets" directory. Specify this
                   directory as the first argument to this utility.

    flutter_flags: Typically empty. These extra flags are passed directly to the
                   Flutter engine. To see all supported flags, run
                   `flutter_tester --help` using the test binary included in the
                   Flutter tools.
@shrkamat shrkamat mentioned this issue Oct 22, 2021
Closed
@shrkamat shrkamat changed the title How do I run release version on the apps ? How do I run release version of flutter apps ? Oct 22, 2021
@dwrobel dwrobel mentioned this issue Jan 24, 2022
Closed
dwrobel added a commit to dwrobel/flutter_wayland that referenced this issue Jan 24, 2022
@dwrobel
ONEMPERS-274 Fix accessing message->messsage (#16)
88746be 
Fixes the following AddressSanitizer crash:

==259825==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60c0000071f5 at pc 0x00000047a669 bp 0x7ffd7f40fdf0 sp 0x7ffd7f40f5a0
READ of size 118 at 0x60c0000071f5 thread T0
[Detaching after fork from child process 259840]
    #0 0x47a668 in __interceptor_strlen.part.0 (/home/dw/projects/flutter/dw-16/embedding/flutter_wayland/build-aot/flutter-launcher-wayland+0x47a668)
    #1 0x5195fd in std::char_traits<char>::length(char const*) /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/bits/char_traits.h:371:9
    #2 0x513e18 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string<std::allocator<char> >(char const*, std::allocator<char> const&) /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/bits/basic_string.h:536:36
    #3 0x5320ae in flutter::WaylandDisplay::SetupEngine(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)::$_37::operator()(FlutterPlatformMessage const*, void*) const /home/dw/projects/flutter/dw-16/embedding/flutter_wayland/src/wayland_display.cc:621:61
    chinmaygarde#4 0x531e1c in flutter::WaylandDisplay::SetupEngine(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)::$_37::__invoke(FlutterPlatformMessage const*, void*) /home/dw/projects/flutter/dw-16/embedding/flutter_wayland/src/wayland_display.cc:620:36
    chinmaygarde#5 0x7f7b7eeb04d0 in std::__1::__function::__func<FlutterEngineInitialize::$_48, std::__1::allocator<FlutterEngineInitialize::$_48>, void (std::__1::unique_ptr<flutter::PlatformMessage, std::__1::default_delete<flutter::PlatformMessage> >)>::operator()(std::__1::unique_ptr<flutter::PlatformMessage, std::__1::default_delete<flutter::PlatformMessage> >&&) (/home/dw/projects/flutter/dw-16/engine/src/out/linux_release_x64/lib.unstripped/libflutter_engine.so+0xe34d0)
    chinmaygarde#6 0x7f7b7eebbe52 in flutter::PlatformViewEmbedder::HandlePlatformMessage(std::__1::unique_ptr<flutter::PlatformMessage, std::__1::default_delete<flutter::PlatformMessage> >) (/home/dw/projects/flutter/dw-16/engine/src/out/linux_release_x64/lib.unstripped/libflutter_engine.so+0xeee52)
    chinmaygarde#7 0x7f7b7f31809a in std::__1::__function::__func<fml::internal::CopyableLambda<flutter::Shell::OnEngineHandlePlatformMessage(std::__1::unique_ptr<flutter::PlatformMessage, std::__1::default_delete<flutter::PlatformMessage> >)::$_16>, std::__1::allocator<fml::internal::CopyableLambda<flutter::Shell::OnEngineHandlePlatformMessage(std::__1::unique_ptr<flutter::PlatformMessage, std::__1::default_delete<flutter::PlatformMessage> >)::$_16> >, void ()>::operator()() (/home/dw/projects/flutter/dw-16/engine/src/out/linux_release_x64/lib.unstripped/libflutter_engine.so+0x54b09a)
    chinmaygarde#8 0x7f7b7eeb9e53 in flutter::EmbedderTaskRunner::PostTask(unsigned long) (/home/dw/projects/flutter/dw-16/engine/src/out/linux_release_x64/lib.unstripped/libflutter_engine.so+0xece53)
    chinmaygarde#9 0x7f7b7eea9816 in FlutterEngineRunTask (/home/dw/projects/flutter/dw-16/engine/src/out/linux_release_x64/lib.unstripped/libflutter_engine.so+0xdc816)
    chinmaygarde#10 0x52e454 in flutter::WaylandDisplay::RunFlutterTask(FlutterTask const*) /home/dw/projects/flutter/dw-16/embedding/flutter_wayland/src/wayland_display.cc:1298:14
    chinmaygarde#11 0x53ae56 in void std::__invoke_impl<void, void (flutter::WaylandDisplay::*&)(FlutterTask const*), flutter::WaylandDisplay*&, FlutterTask const*>(std::__invoke_memfun_deref, void (flutter::WaylandDisplay::*&)(FlutterTask const*), flutter::WaylandDisplay*&, FlutterTask const*&&) /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/bits/invoke.h:74:14
    #12 0x53ac96 in std::__invoke_result<void (flutter::WaylandDisplay::*&)(FlutterTask const*), flutter::WaylandDisplay*&, FlutterTask const*>::type std::__invoke<void (flutter::WaylandDisplay::*&)(FlutterTask const*), flutter::WaylandDisplay*&, FlutterTask const*>(void (flutter::WaylandDisplay::*&)(FlutterTask const*), flutter::WaylandDisplay*&, FlutterTask const*&&) /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/bits/invoke.h:96:14
    #13 0x53aba3 in void std::_Bind<void (flutter::WaylandDisplay::* (flutter::WaylandDisplay*, std::_Placeholder<1>))(FlutterTask const*)>::__call<void, FlutterTask const*&&, 0ul, 1ul>(std::tuple<FlutterTask const*&&>&&, std::_Index_tuple<0ul, 1ul>) /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/functional:420:11
    #14 0x53aa11 in void std::_Bind<void (flutter::WaylandDisplay::* (flutter::WaylandDisplay*, std::_Placeholder<1>))(FlutterTask const*)>::operator()<FlutterTask const*, void>(FlutterTask const*&&) /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/functional:503:17
    #15 0x53a901 in void std::__invoke_impl<void, std::_Bind<void (flutter::WaylandDisplay::* (flutter::WaylandDisplay*, std::_Placeholder<1>))(FlutterTask const*)>&, FlutterTask const*>(std::__invoke_other, std::_Bind<void (flutter::WaylandDisplay::* (flutter::WaylandDisplay*, std::_Placeholder<1>))(FlutterTask const*)>&, FlutterTask const*&&) /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/bits/invoke.h:61:14
    #16 0x53a871 in std::enable_if<is_invocable_r_v<void, std::_Bind<void (flutter::WaylandDisplay::* (flutter::WaylandDisplay*, std::_Placeholder<1>))(FlutterTask const*)>&, FlutterTask const*>, void>::type std::__invoke_r<void, std::_Bind<void (flutter::WaylandDisplay::* (flutter::WaylandDisplay*, std::_Placeholder<1>))(FlutterTask const*)>&, FlutterTask const*>(std::_Bind<void (flutter::WaylandDisplay::* (flutter::WaylandDisplay*, std::_Placeholder<1>))(FlutterTask const*)>&, FlutterTask const*&&) /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/bits/invoke.h:111:2
    #17 0x53a601 in std::_Function_handler<void (FlutterTask const*), std::_Bind<void (flutter::WaylandDisplay::* (flutter::WaylandDisplay*, std::_Placeholder<1>))(FlutterTask const*)> >::_M_invoke(std::_Any_data const&, FlutterTask const*&&) /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/bits/std_function.h:291:9
    #18 0x53d58b in std::function<void (FlutterTask const*)>::operator()(FlutterTask const*) const /usr/lib/gcc/x86_64-redhat-linux/11/../../../../include/c++/11/bits/std_function.h:560:9
    #19 0x53bde7 in flutter::PlatformEventLoop::ProcessEvents() /home/dw/projects/flutter/dw-16/embedding/flutter_wayland/src/event_loop.cc:60:7
    #20 0x52de13 in flutter::WaylandDisplay::Run() /home/dw/projects/flutter/dw-16/embedding/flutter_wayland/src/wayland_display.cc:1163:81
    #21 0x5137d3 in flutter::Main(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >) /home/dw/projects/flutter/dw-16/embedding/flutter_wayland/src/main.cc:111:18
    #22 0x512f12 in main /home/dw/projects/flutter/dw-16/embedding/flutter_wayland/src/main.cc:121:10
    #23 0x7f7b7e879b74 in __libc_start_main /usr/src/debug/glibc-2.33-20.fc34.x86_64/csu/../csu/libc-start.c:332:16
    #24 0x432bdd in _start (/home/dw/projects/flutter/dw-16/embedding/flutter_wayland/build-aot/flutter-launcher-wayland+0x432bdd)

0x60c0000071f5 is located 0 bytes to the right of 117-byte region [0x60c000007180,0x60c0000071f5)
allocated by thread T7 (io.flutter.ui) here:
    #0 0x4d8b5f in malloc (/home/dw/projects/flutter/dw-16/embedding/flutter_wayland/build-aot/flutter-launcher-wayland+0x4d8b5f)
    #1 0x7f7b7eeda247 in fml::MallocMapping::Copy(void const*, unsigned long) (/home/dw/projects/flutter/dw-16/engine/src/out/linux_release_x64/lib.unstripped/libflutter_engine.so+0x10d247)
    #2 0x7f7b6fd30917  (<unknown module>)

Thread T7 (io.flutter.ui) created by T0 here:
    #0 0x449436 in pthread_create (/home/dw/projects/flutter/dw-16/embedding/flutter_wayland/build-aot/flutter-launcher-wayland+0x449436)
    #1 0x7f7b7eedeffd in fml::Thread::Thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) (/home/dw/projects/flutter/dw-16/engine/src/out/linux_release_x64/lib.unstripped/libflutter_engine.so+0x111ffd)
    #2 0x69752e726573  (<unknown module>)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/home/dw/projects/flutter/dw-16/embedding/flutter_wayland/build-aot/flutter-launcher-wayland+0x47a668) in __interceptor_strlen.part.0
Shadow bytes around the buggy address:
  0x0c187fff8de0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c187fff8df0: 00 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa
  0x0c187fff8e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c187fff8e10: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd
  0x0c187fff8e20: fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa^[1m
=>0x0c187fff8e30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00[05]fa
  0x0c187fff8e40: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd
  0x0c187fff8e50: fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa fa
  0x0c187fff8e60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa
  0x0c187fff8e70: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c187fff8e80: 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==259825==ABORTING

Signed-off-by: Damian Wrobel <dwrobel@ertelnet.rybnik.pl>
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@shrkamat