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LSAN: Memory leak in file system watcher #52816

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rmacnak-google opened this issue Jun 29, 2023 · 1 comment
Closed

LSAN: Memory leak in file system watcher #52816

rmacnak-google opened this issue Jun 29, 2023 · 1 comment
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area-vm Use area-vm for VM related issues, including code coverage, and the AOT and JIT backends. library-io

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@rmacnak-google
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=================================================================
==15874==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 180 byte(s) in 9 object(s) allocated from:
    #0 0x55a56a32f6dd in strdup ../staging/llvm_build/tools/clang/stage2-bins/runtimes/runtimes-x86_64-unknown-linux-gnu-bins/compiler-rt/lib/asan/asan_interceptors.cpp:475:3
    #1 0x55a56a687fdb in dart::bin::OSError::SetMessage(char const*) out/ReleaseASANX64/../../runtime/bin/utils.h:47:18
    #2 0x55a56a687fdb in dart::bin::OSError::SetCodeAndMessage(dart::bin::OSError::SubSystem, int) out/ReleaseASANX64/../../runtime/bin/utils_linux.cc:34:5
    #3 0x55a56a687fdb in dart::bin::OSError::Reload() out/ReleaseASANX64/../../runtime/bin/utils_linux.cc:25:3
    #4 0x55a56a687fdb in dart::bin::OSError::OSError() out/ReleaseASANX64/../../runtime/bin/utils_linux.cc:21:3
    #5 0x55a56a3c2833 in dart::bin::Builtin_FileSystemWatcher_InitWatcher(_Dart_NativeArguments*) out/ReleaseASANX64/../../runtime/bin/file_system_watcher.cc:28:13
    #6 0x55a56a847ede in dart::NativeEntry::AutoScopeNativeCallWrapperNoStackCheck(_Dart_NativeArguments*, void (*)(_Dart_NativeArguments*)) out/ReleaseASANX64/../../runtime/vm/native_entry.cc:217:7
    #7 0x7f9df995c70a in stub CallAutoScopeNative /b/s/w/itj2kfje23/cc2p0ZTr.o
    #8 0x7f9df99c4a05 in _FileSystemWatcher._initWatcher dart:io-patch/file_patch.dart:384
    #9 0x7f9df99c20ce in _FileSystemWatcher._listen (#2) dart:io-patch/file_patch.dart:178
    #10 0x7f9df99c208a in _FileSystemWatcher._listen dart:io-patch/file_patch.dart
    #11 0x7f9df997c370 in _runGuarded dart:async/stream_controller.dart:823
    #12 0x7f9df99e5d31 in _BroadcastStreamController._subscribe dart:async/broadcast_stream_controller.dart:207
    #13 0x7f9df9992295 in _ControllerStream._createSubscription dart:async/stream_controller.dart:836
    #14 0x7f9df9a15cf4 in _StreamImpl.listen dart:async/stream_impl.dart:471
    #15 0x7f9df9a15cf4 in main (#3) file:///b/s/w/ir/tests/standalone/regress_52715_test.dart:15
    #16 0x7f9df99cca51 in _SuspendState._createAsyncCallbacks.thenCallback dart:async-patch/async_patch.dart:195
    #17 0x7f9df996027f in _RootZone.runUnary dart:async/zone.dart:1661
    #18 0x7f9df9a15464 in _SuspendState._awaitCompletedFuture.run dart:async-patch/async_patch.dart:248
    #19 0x7f9df99c6796 in _microtaskLoop dart:async/schedule_microtask.dart:40
    #20 0x7f9df99c6655 in _startMicrotaskLoop (#2) dart:async/schedule_microtask.dart:49
    #21 0x7f9df99c661e in _startMicrotaskLoop dart:async/schedule_microtask.dart
    #22 0x7f9df996ef91 in _runPendingImmediateCallback dart:isolate-patch/isolate_patch.dart:123
    #23 0x7f9df996ef30 in _RawReceivePort._handleMessage dart:isolate-patch/isolate_patch.dart:190
    #24 0x7f9df995c5a0 in stub InvokeDartCode /b/s/w/itj2kfje23/cc2p0ZTr.o
    #25 0x55a56a78f405 in dart::DartEntry::InvokeFunction(dart::Function const&, dart::Array const&, dart::Array const&) out/ReleaseASANX64/../../runtime/vm/dart_entry.cc:138:33
    #26 0x55a56a7943d1 in dart::DartEntry::InvokeFunction(dart::Function const&, dart::Array const&) out/ReleaseASANX64/../../runtime/vm/dart_entry.cc:37:10
    #27 0x55a56a7943d1 in dart::DartLibraryCalls::HandleMessage(long, dart::Instance const&) out/ReleaseASANX64/../../runtime/vm/dart_entry.cc:731:28
    #28 0x55a56a7f0921 in dart::IsolateMessageHandler::HandleMessage(std::__2::unique_ptr<dart::Message, std::__2::default_delete<dart::Message>>) out/ReleaseASANX64/../../runtime/vm/isolate.cc:1308:15
    #29 0x55a56a814a1f in dart::MessageHandler::HandleMessages(dart::MonitorLocker*, bool, bool) out/ReleaseASANX64/../../runtime/vm/message_handler.cc:239:16
    #30 0x55a56a81607c in dart::MessageHandler::TaskCallback() out/ReleaseASANX64/../../runtime/vm/message_handler.cc:458:18
    #31 0x55a56ab57695 in dart::ThreadPool::WorkerLoop(dart::ThreadPool::Worker*) out/ReleaseASANX64/../../runtime/vm/thread_pool.cc:158:15
    #32 0x55a56ab58aaa in dart::ThreadPool::Worker::Main(unsigned long) out/ReleaseASANX64/../../runtime/vm/thread_pool.cc:330:9
    #33 0x55a56aa05022 in dart::ThreadStart(void*) out/ReleaseASANX64/../../runtime/vm/os_thread_linux.cc:154:5
    #34 0x7f9dfcde4608 in start_thread /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:477:8

SUMMARY: AddressSanitizer: 180 byte(s) leaked in 9 allocation(s).

--- Re-run this test:
python3 tools/test.py -n vm-aot-asan-linux-release-x64 standalone/regress_52715_test
@vsmenon vsmenon added the area-vm Use area-vm for VM related issues, including code coverage, and the AOT and JIT backends. label Jun 29, 2023
copybara-service bot pushed a commit that referenced this issue Jun 29, 2023
@rmacnak-google
[gardening] Don't attempt to measure RSS under sanitizers or with rel…
8f21c8e 
…oad.

Bug: #52816
Change-Id: I4e50180a9285727cc2e275dd17dd6855f21a0b6e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/311926
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
@mkustermann
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/cc @mraleph

@sstrickl sstrickl mentioned this issue Jul 3, 2023
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