https://ci.chromium.org/buildbot/chromium.memory/Linux%20MSan%20Tests/10019 (r562039 - r562064)

https://ci.chromium.org/buildbot/chromium.memory/Linux%20ChromiumOS%20MSan%20Tests/7306 (562009 - r562064)

browser_tests browser_tests
Run on OS: 'Ubuntu-14.04'
Max shard duration: 0:28:33.658760 (shard #2)
failures:
SafeBrowsingNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/2
SafeBrowsingNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/1
IncognitoProfileMainNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/1
IncognitoProfileMainNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/2
SystemNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/1
SystemNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/2
ProfileMainNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/2
ProfileMainNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/1

Suspect

Proxy lstat() system calls to broker process for network service.

This particular stat() variant was not being handled in the same
way as the others.

Bug:  846800 
Change-Id: I2ec9b94f704f9f00aa3dd1dbd0a3be71a0583b75
Reviewed-on: https://chromium-review.googlesource.com/1073869
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#562045}



[ RUN      ] SafeBrowsingNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/2
Xlib:  extension "RANDR" missing on display ":99".
[7734:7961:0525/181643.232204:ERROR:bus.cc(394)] Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix")
[7734:7734:0525/181643.316481:WARNING:password_store_factory.cc(250)] Using basic (unencrypted) store for password storage. See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_password_storage.md for more information about password storage options.
(browser_tests:7734): LIBDBUSMENU-GLIB-WARNING **: Unable to get session bus: Unknown or unsupported transport 'disabled' for address 'disabled:'
[7944:8062:0525/181644.519744:ERROR:network_service_test_helper.cc(74)] Intentionally terminating current process to simulate NetworkService crash for testing.
==8094==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x1b90a45f in sandbox::syscall_broker::BrokerFilePermission::ValidatePath(char const*) ./../../sandbox/linux/syscall_broker/broker_file_permission.cc:30:7
    #1 0x1b90b2b5 in sandbox::syscall_broker::BrokerFilePermission::CheckStat(char const*, char const**) const ./../../sandbox/linux/syscall_broker/broker_file_permission.cc:200:8
    #2 0x1b915735 in sandbox::syscall_broker::BrokerPermissionList::GetFileNameIfAllowedToStat(char const*, char const**) const ./../../sandbox/linux/syscall_broker/broker_permission_list.cc:113:31
    #3 0x1b9148ca in sandbox::syscall_broker::CommandStatIsSafe(std::__1::bitset<10ul> const&, sandbox::syscall_broker::BrokerPermissionList const&, char const*, char const**) ./../../sandbox/linux/syscall_broker/broker_command.cc:85:17
    #4 0x1b918468 in sandbox::syscall_broker::BrokerClient::Stat(char const*, bool, stat*) const ./../../sandbox/linux/syscall_broker/broker_client.cc:169:8
    #5 0x1b90da74 in Stat ./../../sandbox/linux/syscall_broker/broker_process.cc:144:26
    #6 0x1b90da74 in sandbox::syscall_broker::BrokerProcess::SIGSYS_Handler(sandbox::arch_seccomp_data const&, void*) ./../../sandbox/linux/syscall_broker/broker_process.cc:261:0
    #7 0x1b94f29a in sandbox::Trap::SigSys(int, siginfo_t*, ucontext_t*) ./../../sandbox/linux/seccomp-bpf/trap.cc:244:10
    #8 0x2a0579b in SignalAction(int, void*, void*) /b/build/slave/linux_upload_clang/build/src/third_party/llvm/compiler-rt/lib/msan/msan_interceptors.cc:1008:3
    #9 0x7fce8aa4b32f in _L_unlock_13 ??:?
    #10 0x7fce8aa4b32f in ?? ??:0
    #11 0x7fce819c4d94 in __lxstat /build/eglibc-ripdx6/eglibc-2.19/io/../sysdeps/unix/sysv/linux/wordsize-64/lxstat.c:35:0
    #12 0x7fce8191c897 in realpath /build/eglibc-ripdx6/eglibc-2.19/stdlib/canonicalize.c:161:0
    #13 0x29db571 in __interceptor_realpath /b/build/slave/linux_upload_clang/build/src/third_party/llvm/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:3509:15
    #14 0x12ee8687 in base::MakeAbsoluteFilePath(base::FilePath const&) ./../../base/files/file_util_posix.cc:369:7
    #15 0x1590fdec in net::URLRequestFileJob::FetchMetaInfo(base::FilePath const&, net::URLRequestFileJob::FileMetaInfo*) ./../../net/url_request/url_request_file_job.cc:214:30
    #16 0x12de0ebc in Run ./../../base/callback.h:96:12
    #17 0x12de0ebc in base::(anonymous namespace)::PostTaskAndReplyRelay::RunTaskAndPostReply(base::(anonymous namespace)::PostTaskAndReplyRelay) ./../../base/threading/post_task_and_reply_impl.cc:79:0
    #18 0x12de1a48 in Invoke<void (*)(base::(anonymous namespace)::PostTaskAndReplyRelay), base::(anonymous namespace)::PostTaskAndReplyRelay> ./../../base/bind_internal.h:402:12
    #19 0x12de1a48 in MakeItSo<void (*)(base::(anonymous namespace)::PostTaskAndReplyRelay), base::(anonymous namespace)::PostTaskAndReplyRelay> ./../../base/bind_internal.h:547:0
    #20 0x12de1a48 in RunImpl<void (*)(base::(anonymous namespace)::PostTaskAndReplyRelay), std::__1::tuple<base::(anonymous namespace)::PostTaskAndReplyRelay>, 0> ./../../base/bind_internal.h:621:0
    #21 0x12de1a48 in base::internal::Invoker<base::internal::BindState<void (*)(base::(anonymous namespace)::PostTaskAndReplyRelay), base::(anonymous namespace)::PostTaskAndReplyRelay>, void ()>::RunOnce(base::internal::BindStateBase*) ./../../base/bind_internal.h:589:0
    #22 0x12b87b31 in Run ./../../base/callback.h:96:12
    #23 0x12b87b31 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) ./../../base/debug/task_annotator.cc:101:0
    #24 0x12db1fd0 in base::internal::TaskTracker::RunOrSkipTask(base::internal::Task, base::internal::Sequence*, bool) ./../../base/task_scheduler/task_tracker.cc:531:23
    #25 0x12f1a9f0 in base::internal::TaskTrackerPosix::RunOrSkipTask(base::internal::Task, base::internal::Sequence*, bool) ./../../base/task_scheduler/task_tracker_posix.cc:23:16
    #26 0x12daf3c0 in base::internal::TaskTracker::RunAndPopNextTask(scoped_refptr<base::internal::Sequence>, base::internal::CanScheduleSequenceObserver*) ./../../base/task_scheduler/task_tracker.cc:404:3
    #27 0x12d9eaf4 in base::internal::SchedulerWorker::RunWorker() ./../../base/task_scheduler/scheduler_worker.cc:321:24
    #28 0x12d9e186 in base::internal::SchedulerWorker::RunPooledWorker() ./../../base/task_scheduler/scheduler_worker.cc:215:3
    #29 0x12f1c7e7 in base::(anonymous namespace)::ThreadFunc(void*) ./../../base/threading/platform_thread_posix.cc:76:13
    #30 0x7fce8aa43183 in start_thread /build/eglibc-ripdx6/eglibc-2.19/nptl/pthread_create.c:312:0
    #31 0x7fce819d403c in clone /build/eglibc-ripdx6/eglibc-2.19/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:111:0
  Uninitialized value was created by an allocation of 'full_path' in the stack frame of function '_ZN4base20MakeAbsoluteFilePathERKNS_8FilePathE'
    #0 0x12ee8550 in base::MakeAbsoluteFilePath(base::FilePath const&) ./../../base/files/file_util_posix.cc:366:0
SUMMARY: MemorySanitizer: use-of-uninitialized-value (/b/s/w/ir/out/Release/browser_tests+0x1b90a45f)
Exiting
../../chrome/browser/net/network_context_configuration_browsertest.cc:474: Failure
Value of: simple_loader->ResponseInfo()
  Actual: false
Expected: true
Stack trace:
    #0 0x000008ef0807 in StackTraceGetter::CurrentStackTrace(int, int) ./../../third_party/googletest/custom/gtest/internal/custom/stack_trace_getter.cc:22:27
    #1 0x000008f25329 in testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop(int) ./../../third_party/googletest/src/googletest/src/gtest.cc:810:35
    #2 0x000008f23482 in testing::internal::AssertHelper::operator=(testing::Message const&) const ./../../third_party/googletest/src/googletest/src/gtest.cc:386:25
    #3 0x000003c0ebd5 in (anonymous namespace)::NetworkContextConfigurationBrowserTest_FileURL_Test::RunTestOnMainThread() ./../../chrome/browser/net/network_context_configuration_browsertest.cc:474:3
    #4 0x000014875af2 in content::BrowserTestBase::ProxyRunTestOnMainThreadLoop() ./../../content/public/test/browser_test_base.cc:385:5
    #5 0x00001315b7ed in Run ./../../base/callback.h:125:12
    #6 0x00001315b7ed in ChromeBrowserMainParts::PreMainMessageLoopRunImpl() ./../../chrome/browser/chrome_browser_main.cc:2098:0
    #7 0x000013156910 in ChromeBrowserMainParts::PreMainMessageLoopRun() ./../../chrome/browser/chrome_browser_main.cc:1492:18
    #8 0x00000c01ca4b in content::BrowserMainLoop::PreMainMessageLoopRun() ./../../content/browser/browser_main_loop.cc:960:13
    #9 0x00000d61d0e1 in Run ./../../base/callback.h:125:12
    #10 0x00000d61d0e1 in content::StartupTaskRunner::RunAllTasksNow() ./../../content/browser/startup_task_runner.cc:44:0
    #11 0x00000c014d98 in content::BrowserMainLoop::CreateStartupTasks() ./../../content/browser/browser_main_loop.cc:871:25
    #12 0x00000c029f66 in content::BrowserMainRunnerImpl::Initialize(content::MainFunctionParams const&, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) ./../../content/browser/browser_main_runner_impl.cc:148:15
    #13 0x00000c00962c in content::BrowserMain(content::MainFunctionParams const&, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) ./../../content/browser/browser_main.cc:47:20
    #14 0x000012956da5 in content::RunBrowserProcessMain(content::MainFunctionParams const&, content::ContentMainDelegate*, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) ./../../content/app/content_main_runner_impl.cc:620:10
    #15 0x00001295b16a in content::ContentMainRunnerImpl::Run() ./../../content/app/content_main_runner_impl.cc:964:12
    #16 0x00001bad3ad9 in service_manager::Main(service_manager::MainParams const&) ./../../services/service_manager/embedder/main.cc:459:29
    #17 0x0000129510c8 in content::ContentMain(content::ContentMainParams const&) ./../../content/app/content_main.cc:19:10
    #18 0x000014873f20 in content::BrowserTestBase::SetUp() ./../../content/public/test/browser_test_base.cc:323:3
[7734:7734:0525/181646.613623:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.
[7734:7734:0525/181646.613764:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.
[  FAILED  ] SafeBrowsingNetworkContext/NetworkContextConfigurationBrowserTest.FileURL/2, where GetParam() = 8-byte object <02-00 00-00 01-00 00-00> (5420 ms)