=================================================================
==1993==ERROR: AddressSanitizer: heap-use-after-free on address 0x7b98eddd6858 at pc 0x557c9be6c9f0 bp 0x7b18a7e7acc0 sp 0x7b18a7e7acb8
READ of size 8 at 0x7b98eddd6858 thread T52
    #0 0x557c9be6c9ef in std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>::__get_long_pointer() const gen/third_party/libc++/src/include/string:772:35
    #1 0x557c9be6cb70 in std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>::basic_string(std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&) gen/third_party/libc++/src/include/string:1008:57
    #2 0x557cb40044be in base::nix::GetFileMimeType(base::FilePath const&) base/nix/mime_util_xdg.cc:339:39
    #3 0x557cb400676d in void* std::__Cr::__thread_proxy<std::__Cr::tuple<std::__Cr::unique_ptr<std::__Cr::__thread_struct, std::__Cr::default_delete<std::__Cr::__thread_struct>>, base::nix::GetFileMimeType(base::FilePath const&)::$_2::operator()() const::'lambda'()>>(void*) base/nix/mime_util_xdg.cc:288:17
    #4 0x557c9be25c46 in asan_thread_start(void*) asan_interceptors.cpp

0x7b98eddd6858 is located 56 bytes inside of 88-byte region [0x7b98eddd6820,0x7b98eddd6878)
freed by thread T50 here:
    #0 0x557c9be62002 in operator delete(void*, unsigned long) (/chromium/chromium/src/out/asan/chrome+0x10e14002) (BuildId: f100f3642587cba9)
    #1 0x557cb40094a8 in std::__Cr::__tree<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, std::__Cr::__map_value_compare<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>, std::__Cr::less<void>>, std::__Cr::allocator<std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>>>::__tree_deleter::operator()(std::__Cr::__tree_node<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, void*>*) gen/third_party/libc++/src/include/__new/allocate.h:63:10
    #2 0x557cb400947a in std::__Cr::__tree<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, std::__Cr::__map_value_compare<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>, std::__Cr::less<void>>, std::__Cr::allocator<std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>>>::__tree_deleter::operator()(std::__Cr::__tree_node<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, void*>*) gen/third_party/libc++/src/include/__tree:1410:7
    #3 0x557cb400947a in std::__Cr::__tree<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, std::__Cr::__map_value_compare<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>, std::__Cr::less<void>>, std::__Cr::allocator<std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>>>::__tree_deleter::operator()(std::__Cr::__tree_node<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, void*>*) gen/third_party/libc++/src/include/__tree:1410:7
    #4 0x557cb400947a in std::__Cr::__tree<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, std::__Cr::__map_value_compare<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>, std::__Cr::less<void>>, std::__Cr::allocator<std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>>>::__tree_deleter::operator()(std::__Cr::__tree_node<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, void*>*) gen/third_party/libc++/src/include/__tree:1410:7
    #5 0x557cb400947a in std::__Cr::__tree<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, std::__Cr::__map_value_compare<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>, std::__Cr::less<void>>, std::__Cr::allocator<std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>>>::__tree_deleter::operator()(std::__Cr::__tree_node<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, void*>*) gen/third_party/libc++/src/include/__tree:1410:7
    #6 0x557cb400424f in base::nix::GetFileMimeType(base::FilePath const&) gen/third_party/libc++/src/include/__tree:1361:64
    #7 0x557cb400676d in void* std::__Cr::__thread_proxy<std::__Cr::tuple<std::__Cr::unique_ptr<std::__Cr::__thread_struct, std::__Cr::default_delete<std::__Cr::__thread_struct>>, base::nix::GetFileMimeType(base::FilePath const&)::$_2::operator()() const::'lambda'()>>(void*) base/nix/mime_util_xdg.cc:288:17
    #8 0x557c9be25c46 in asan_thread_start(void*) asan_interceptors.cpp

previously allocated by thread T50 here:
    #0 0x557c9be613fd in operator new(unsigned long) (/chromium/chromium/src/out/asan/chrome+0x10e133fd) (BuildId: f100f3642587cba9)
    #1 0x557cb4009104 in std::__Cr::pair<std::__Cr::__tree_iterator<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, std::__Cr::__tree_node<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, void*>*, long>, bool> std::__Cr::__tree<std::__Cr::__value_type<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime>, std::__Cr::__map_value_compare<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>, std::__Cr::less<void>>, std::__Cr::allocator<std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>>>::__emplace_unique<std::__Cr::piecewise_construct_t const&, std::__Cr::tuple<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>&&>, std::__Cr::tuple<>>(std::__Cr::piecewise_construct_t const&, std::__Cr::tuple<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>&&>&&, std::__Cr::tuple<>&&)::'lambda'(std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&, std::__Cr::piecewise_construct_t const&, std::__Cr::tuple<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>&&>&&, std::__Cr::tuple<>&&)::operator()(std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&, std::__Cr::piecewise_construct_t const&, std::__Cr::tuple<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>&&>&&, std::__Cr::tuple<>&&) const gen/third_party/libc++/src/include/__new/allocate.h:43:28
    #2 0x557cb4002d84 in base::nix::ParseMimeTypes(base::FilePath const&, std::__Cr::map<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime, std::__Cr::less<void>, std::__Cr::allocator<std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>>>&) gen/third_party/libc++/src/include/__utility/try_key_extraction.h:91:10
    #3 0x557cb4004cf1 in base::nix::(anonymous namespace)::LoadAllMimeCacheFiles(std::__Cr::map<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>, base::nix::WeightedMime, std::__Cr::less<void>, std::__Cr::allocator<std::__Cr::pair<std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const, base::nix::WeightedMime>>>&, std::__Cr::vector<base::nix::(anonymous namespace)::FileInfo, std::__Cr::allocator<base::nix::(anonymous namespace)::FileInfo>>&) base/nix/mime_util_xdg.cc:65:43
    #4 0x557cb400430c in base::nix::GetFileMimeType(base::FilePath const&) base/nix/mime_util_xdg.cc:320:9
    #5 0x557cb400676d in void* std::__Cr::__thread_proxy<std::__Cr::tuple<std::__Cr::unique_ptr<std::__Cr::__thread_struct, std::__Cr::default_delete<std::__Cr::__thread_struct>>, base::nix::GetFileMimeType(base::FilePath const&)::$_2::operator()() const::'lambda'()>>(void*) base/nix/mime_util_xdg.cc:288:17
    #6 0x557c9be25c46 in asan_thread_start(void*) asan_interceptors.cpp

Thread T52 created by T5 (ThreadPoolForeg) here:
    #0 0x557c9be0ba71 in pthread_create (/chromium/chromium/src/out/asan/chrome+0x10dbda71) (BuildId: f100f3642587cba9)
    #1 0x557cb40049c1 in base::nix::GetFileMimeType(base::FilePath const&)::$_2::operator()() const gen/third_party/libc++/src/include/__thread/support/pthread.h:182:10
    #2 0x557cb40046e3 in base::nix::GetFileMimeType(base::FilePath const&) base/nix/mime_util_xdg.cc:276:26
    #3 0x557cb52efe37 in net::PlatformMimeUtil::GetPlatformMimeTypeFromExtension(std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&, std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>*) const net/base/platform_mime_util_linux.cc:30:21
    #4 0x557cb4ab9d63 in net::MimeUtil::GetMimeTypeFromExtensionHelper(std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&, bool, std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>*) const net/base/mime_util.cc:387:33
    #5 0x557ca867c544 in content::MimeRegistryImpl::GetMimeTypeFromExtension(std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&, base::OnceCallback<void (std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&)>) content/browser/mime_registry_impl.cc:38:3
    #6 0x557ca0da4c26 in blink::mojom::MimeRegistryStubDispatch::AcceptWithResponder(blink::mojom::MimeRegistry*, mojo::Message*, std::__Cr::unique_ptr<mojo::MessageReceiverWithStatus, std::__Cr::default_delete<mojo::MessageReceiverWithStatus>>) gen/third_party/blink/public/mojom/mime/mime_registry.mojom.cc:487:13
    #7 0x557cb3bd7a80 in mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:1036:56
    #8 0x557cb3bf57c1 in mojo::MessageDispatcher::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/message_dispatcher.cc:44:19
    #9 0x557cb3bddde3 in mojo::InterfaceEndpointClient::HandleIncomingMessage(mojo::Message*) mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:747:20
    #10 0x557cb3c05718 in mojo::internal::MultiplexRouter::ProcessIncomingMessage(mojo::internal::MultiplexRouter::MessageWrapper*, mojo::internal::MultiplexRouter::ClientCallBehavior, base::SequencedTaskRunner*) mojo/public/cpp/bindings/lib/multiplex_router.cc:1204:42
    #11 0x557cb3c03bf8 in mojo::internal::MultiplexRouter::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/multiplex_router.cc:790:7
    #12 0x557cb3bf57c1 in mojo::MessageDispatcher::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/message_dispatcher.cc:44:19
    #13 0x557cb3bce55a in mojo::Connector::DispatchMessage(mojo::ScopedHandleBase<mojo::MessageHandle>) mojo/public/cpp/bindings/lib/connector.cc:567:49
    #14 0x557cb3bcfbe0 in mojo::Connector::ReadAllAvailableMessages() mojo/public/cpp/bindings/lib/connector.cc:628:14
    #15 0x557cb3bcf639 in mojo::Connector::OnWatcherHandleReady(char const*, unsigned int) mojo/public/cpp/bindings/lib/connector.cc:453:3
    #16 0x557cb3bd1494 in base::internal::Invoker<base::internal::FunctorTraits<void (mojo::Connector::* const&)(char const*, unsigned int), mojo::Connector*, char const* const&>, base::internal::BindState<true, true, false, void (mojo::Connector::*)(char const*, unsigned int), base::internal::UnretainedWrapper<mojo::Connector, base::unretained_traits::MayNotDangle, (partition_alloc::internal::RawPtrTraits)0>, base::internal::UnretainedWrapper<char const, base::unretained_traits::MayNotDangle, (partition_alloc::internal::RawPtrTraits)0>>, void (unsigned int)>::Run(base::internal::BindStateBase*, unsigned int) base/functional/bind_internal.h:740:12
    #17 0x557ca118d7ae in base::RepeatingCallback<void (unsigned int)>::Run(unsigned int) const & base/functional/callback.h:346:12
    #18 0x557ca118d54a in base::internal::Invoker<base::internal::FunctorTraits<void (* const&)(base::RepeatingCallback<void (unsigned int)> const&, unsigned int, mojo::HandleSignalsState const&), base::RepeatingCallback<void (unsigned int)> const&>, base::internal::BindState<false, true, false, void (*)(base::RepeatingCallback<void (unsigned int)> const&, unsigned int, mojo::HandleSignalsState const&), base::RepeatingCallback<void (unsigned int)>>, void (unsigned int, mojo::HandleSignalsState const&)>::Run(base::internal::BindStateBase*, unsigned int, mojo::HandleSignalsState const&) base/functional/bind_internal.h:673:12
    #19 0x557cb4a68a80 in base::RepeatingCallback<void (unsigned int, mojo::HandleSignalsState const&)>::Run(unsigned int, mojo::HandleSignalsState const&) const & base/functional/callback.h:346:12
    #20 0x557cb4a683c0 in mojo::SimpleWatcher::OnHandleReady(int, unsigned int, mojo::HandleSignalsState const&) mojo/public/cpp/system/simple_watcher.cc:286:14
    #21 0x557cb4a69587 in base::internal::Invoker<base::internal::FunctorTraits<void (mojo::SimpleWatcher::*&&)(int, unsigned int, mojo::HandleSignalsState const&), base::WeakPtr<mojo::SimpleWatcher>&&, int&&, unsigned int&&, mojo::HandleSignalsState&&>, base::internal::BindState<true, true, false, void (mojo::SimpleWatcher::*)(int, unsigned int, mojo::HandleSignalsState const&), base::WeakPtr<mojo::SimpleWatcher>, int, unsigned int, mojo::HandleSignalsState>, void ()>::RunOnce(base::internal::BindStateBase*) base/functional/bind_internal.h:740:12
    #22 0x557cb3e17bf6 in base::TaskAnnotator::RunTaskImpl(base::PendingTask&) base/functional/callback.h:155:12
    #23 0x557cb3eb6dd2 in base::internal::TaskTracker::RunTaskImpl(base::internal::Task&, base::TaskTraits const&, base::internal::TaskSource*, base::internal::SequenceToken const&) base/task/common/task_annotator.h:112:5
    #24 0x557cb3eb701c in base::internal::TaskTracker::RunSkipOnShutdown(base::internal::Task&, base::TaskTraits const&, base::internal::TaskSource*, base::internal::SequenceToken const&) base/task/thread_pool/task_tracker.cc:675:3
    #25 0x557cb3eb5609 in base::internal::TaskTracker::RunTask(base::internal::Task, base::internal::TaskSource*, base::TaskTraits const&, base::ThreadType) base/task/thread_pool/task_tracker.cc:705:7
    #26 0x557cb3eb4892 in base::internal::TaskTracker::RunAndPopNextTask(base::internal::RegisteredTaskSource) base/task/thread_pool/task_tracker.cc:393:5
    #27 0x557cb3ef95c3 in base::internal::WorkerThread::RunWorker() base/task/thread_pool/worker_thread.cc:473:36
    #28 0x557cb3ef8704 in base::internal::WorkerThread::RunPooledWorker() base/task/thread_pool/worker_thread.cc:359:3
    #29 0x557cb3ef816b in base::internal::WorkerThread::ThreadMain() base/task/thread_pool/worker_thread.cc:339:7
    #30 0x557cb3f814be in base::(anonymous namespace)::ThreadFunc(void*) base/threading/platform_thread_posix.cc:102:13
    #31 0x557c9be25c46 in asan_thread_start(void*) asan_interceptors.cpp

Thread T5 (ThreadPoolForeg) created by T0 (chrome) here:
    #0 0x557c9be0ba71 in pthread_create (/chromium/chromium/src/out/asan/chrome+0x10dbda71) (BuildId: f100f3642587cba9)
    #1 0x557cb3f80b12 in base::(anonymous namespace)::CreateThread(unsigned long, bool, base::PlatformThreadBase::Delegate*, base::PlatformThreadHandle*, base::ThreadType, base::MessagePumpType) base/threading/platform_thread_posix.cc:153:13
    #2 0x557cb3ef6eb4 in base::internal::WorkerThread::Start(scoped_refptr<base::SingleThreadTaskRunner>, base::WorkerThreadObserver*) base/task/thread_pool/worker_thread.cc:185:3
    #3 0x557cb3eee4a5 in base::internal::ThreadGroup::BaseScopedCommandsExecutor::Flush() base/task/thread_pool/thread_group.cc:65:13
    #4 0x557cb3eee160 in base::internal::ThreadGroup::BaseScopedCommandsExecutor::~BaseScopedCommandsExecutor() base/task/thread_pool/thread_group.cc:56:3
    #5 0x557cb3ee3b34 in base::internal::ThreadGroupImpl::Start(unsigned long, unsigned long, base::TimeDelta, scoped_refptr<base::SingleThreadTaskRunner>, base::WorkerThreadObserver*, base::internal::ThreadGroup::WorkerEnvironment, bool, std::__Cr::optional<base::TimeDelta>) base/task/thread_pool/thread_group_impl.cc:71:3
    #6 0x557cb3ebc9f6 in base::internal::ThreadPoolImpl::Start(base::ThreadPoolInstance::InitParams const&, base::WorkerThreadObserver*) base/task/thread_pool/thread_pool_impl.cc:241:35
    #7 0x557ca95948e4 in content::StartBrowserThreadPool() content/browser/startup_helper.cc:98:36
    #8 0x557caf9349f3 in content::ContentMainRunnerImpl::RunBrowser(content::MainFunctionParams, bool) content/app/content_main_runner_impl.cc:1248:7
    #9 0x557caf933a9a in content::ContentMainRunnerImpl::Run() content/app/content_main_runner_impl.cc:1150:12
    #10 0x557caf92d441 in content::RunContentProcess(content::ContentMainParams, content::ContentMainRunner*) content/app/content_main.cc:358:36
    #11 0x557caf92da3c in content::ContentMain(content::ContentMainParams) content/app/content_main.cc:371:10
    #12 0x557c9be62b39 in ChromeMain chrome/app/chrome_main.cc:191:12
    #13 0x7f18ef62b249  (/lib/x86_64-linux-gnu/libc.so.6+0x27249) (BuildId: 6196744a316dbd57c0fd8968df1680aac482cec4)

Thread T50 created by T5 (ThreadPoolForeg) here:
    #0 0x557c9be0ba71 in pthread_create (/chromium/chromium/src/out/asan/chrome+0x10dbda71) (BuildId: f100f3642587cba9)
    #1 0x557cb40048ed in base::nix::GetFileMimeType(base::FilePath const&)::$_2::operator()() const gen/third_party/libc++/src/include/__thread/support/pthread.h:182:10
    #2 0x557cb40046e3 in base::nix::GetFileMimeType(base::FilePath const&) base/nix/mime_util_xdg.cc:276:26
    #3 0x557cb52efe37 in net::PlatformMimeUtil::GetPlatformMimeTypeFromExtension(std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&, std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>*) const net/base/platform_mime_util_linux.cc:30:21
    #4 0x557cb4ab9d63 in net::MimeUtil::GetMimeTypeFromExtensionHelper(std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&, bool, std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>*) const net/base/mime_util.cc:387:33
    #5 0x557ca867c544 in content::MimeRegistryImpl::GetMimeTypeFromExtension(std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&, base::OnceCallback<void (std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>> const&)>) content/browser/mime_registry_impl.cc:38:3
    #6 0x557ca0da4c26 in blink::mojom::MimeRegistryStubDispatch::AcceptWithResponder(blink::mojom::MimeRegistry*, mojo::Message*, std::__Cr::unique_ptr<mojo::MessageReceiverWithStatus, std::__Cr::default_delete<mojo::MessageReceiverWithStatus>>) gen/third_party/blink/public/mojom/mime/mime_registry.mojom.cc:487:13
    #7 0x557cb3bd7a80 in mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:1036:56
    #8 0x557cb3bf57c1 in mojo::MessageDispatcher::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/message_dispatcher.cc:44:19
    #9 0x557cb3bddde3 in mojo::InterfaceEndpointClient::HandleIncomingMessage(mojo::Message*) mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:747:20
    #10 0x557cb3c05718 in mojo::internal::MultiplexRouter::ProcessIncomingMessage(mojo::internal::MultiplexRouter::MessageWrapper*, mojo::internal::MultiplexRouter::ClientCallBehavior, base::SequencedTaskRunner*) mojo/public/cpp/bindings/lib/multiplex_router.cc:1204:42
    #11 0x557cb3c03bf8 in mojo::internal::MultiplexRouter::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/multiplex_router.cc:790:7
    #12 0x557cb3bf57c1 in mojo::MessageDispatcher::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/message_dispatcher.cc:44:19
    #13 0x557cb3bce55a in mojo::Connector::DispatchMessage(mojo::ScopedHandleBase<mojo::MessageHandle>) mojo/public/cpp/bindings/lib/connector.cc:567:49
    #14 0x557cb3bcfbe0 in mojo::Connector::ReadAllAvailableMessages() mojo/public/cpp/bindings/lib/connector.cc:628:14
    #15 0x557cb3bcf639 in mojo::Connector::OnWatcherHandleReady(char const*, unsigned int) mojo/public/cpp/bindings/lib/connector.cc:453:3
    #16 0x557cb3bd1494 in base::internal::Invoker<base::internal::FunctorTraits<void (mojo::Connector::* const&)(char const*, unsigned int), mojo::Connector*, char const* const&>, base::internal::BindState<true, true, false, void (mojo::Connector::*)(char const*, unsigned int), base::internal::UnretainedWrapper<mojo::Connector, base::unretained_traits::MayNotDangle, (partition_alloc::internal::RawPtrTraits)0>, base::internal::UnretainedWrapper<char const, base::unretained_traits::MayNotDangle, (partition_alloc::internal::RawPtrTraits)0>>, void (unsigned int)>::Run(base::internal::BindStateBase*, unsigned int) base/functional/bind_internal.h:740:12
    #17 0x557ca118d7ae in base::RepeatingCallback<void (unsigned int)>::Run(unsigned int) const & base/functional/callback.h:346:12
    #18 0x557ca118d54a in base::internal::Invoker<base::internal::FunctorTraits<void (* const&)(base::RepeatingCallback<void (unsigned int)> const&, unsigned int, mojo::HandleSignalsState const&), base::RepeatingCallback<void (unsigned int)> const&>, base::internal::BindState<false, true, false, void (*)(base::RepeatingCallback<void (unsigned int)> const&, unsigned int, mojo::HandleSignalsState const&), base::RepeatingCallback<void (unsigned int)>>, void (unsigned int, mojo::HandleSignalsState const&)>::Run(base::internal::BindStateBase*, unsigned int, mojo::HandleSignalsState const&) base/functional/bind_internal.h:673:12
    #19 0x557cb4a68a80 in base::RepeatingCallback<void (unsigned int, mojo::HandleSignalsState const&)>::Run(unsigned int, mojo::HandleSignalsState const&) const & base/functional/callback.h:346:12
    #20 0x557cb4a683c0 in mojo::SimpleWatcher::OnHandleReady(int, unsigned int, mojo::HandleSignalsState const&) mojo/public/cpp/system/simple_watcher.cc:286:14
    #21 0x557cb4a69587 in base::internal::Invoker<base::internal::FunctorTraits<void (mojo::SimpleWatcher::*&&)(int, unsigned int, mojo::HandleSignalsState const&), base::WeakPtr<mojo::SimpleWatcher>&&, int&&, unsigned int&&, mojo::HandleSignalsState&&>, base::internal::BindState<true, true, false, void (mojo::SimpleWatcher::*)(int, unsigned int, mojo::HandleSignalsState const&), base::WeakPtr<mojo::SimpleWatcher>, int, unsigned int, mojo::HandleSignalsState>, void ()>::RunOnce(base::internal::BindStateBase*) base/functional/bind_internal.h:740:12
    #22 0x557cb3e17bf6 in base::TaskAnnotator::RunTaskImpl(base::PendingTask&) base/functional/callback.h:155:12
    #23 0x557cb3eb6dd2 in base::internal::TaskTracker::RunTaskImpl(base::internal::Task&, base::TaskTraits const&, base::internal::TaskSource*, base::internal::SequenceToken const&) base/task/common/task_annotator.h:112:5
    #24 0x557cb3eb701c in base::internal::TaskTracker::RunSkipOnShutdown(base::internal::Task&, base::TaskTraits const&, base::internal::TaskSource*, base::internal::SequenceToken const&) base/task/thread_pool/task_tracker.cc:675:3
    #25 0x557cb3eb5609 in base::internal::TaskTracker::RunTask(base::internal::Task, base::internal::TaskSource*, base::TaskTraits const&, base::ThreadType) base/task/thread_pool/task_tracker.cc:705:7
    #26 0x557cb3eb4892 in base::internal::TaskTracker::RunAndPopNextTask(base::internal::RegisteredTaskSource) base/task/thread_pool/task_tracker.cc:393:5
    #27 0x557cb3ef95c3 in base::internal::WorkerThread::RunWorker() base/task/thread_pool/worker_thread.cc:473:36
    #28 0x557cb3ef8704 in base::internal::WorkerThread::RunPooledWorker() base/task/thread_pool/worker_thread.cc:359:3
    #29 0x557cb3ef816b in base::internal::WorkerThread::ThreadMain() base/task/thread_pool/worker_thread.cc:339:7
    #30 0x557cb3f814be in base::(anonymous namespace)::ThreadFunc(void*) base/threading/platform_thread_posix.cc:102:13
    #31 0x557c9be25c46 in asan_thread_start(void*) asan_interceptors.cpp

SUMMARY: AddressSanitizer: heap-use-after-free gen/third_party/libc++/src/include/string:772:35 in std::__Cr::basic_string<char, std::__Cr::char_traits<char>, std::__Cr::allocator<char>>::__get_long_pointer() const
Shadow bytes around the buggy address:
  0x7b98eddd6580: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7b98eddd6600: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7b98eddd6680: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7b98eddd6700: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7b98eddd6780: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd fa
=>0x7b98eddd6800: fa fa f7 fa fd fd fd fd fd fd fd[fd]fd fd fd fa
  0x7b98eddd6880: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7b98eddd6900: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7b98eddd6980: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7b98eddd6a00: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7b98eddd6a80: fa fa f7 fa fd fd fd fd fd fd fd fd fd fd fd 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

==1993==ADDITIONAL INFO

==1993==Note: Please include this section with the ASan report.
Task trace: