redis: Fix stack-use-after-scope in test

[euroelessar]

Description: Capture status by copy instead of referencing stack used for function arguments.
Risk Level: n/a (test only)
Testing: n/a
Docs Changes: n/a
Release Notes: n/a

[euroelessar]

Failure link: https://dev.azure.com/cncf/envoy/_build/results?buildId=37654&view=logs&j=930b2ee4-0ea7-5b74-a645-6bc26962bc06&t=a22da363-b496-51fd-d3eb-ba836106d671&l=2237
ASAN failure:

2020-04-18T23:23:29.3240500Z [ RUN      ] RedisClusterTest.EmptyDnsResponse
2020-04-18T23:23:29.3241330Z =================================================================
2020-04-18T23:23:29.3242895Z ==17==ERROR: AddressSanitizer: stack-use-after-scope on address 0x7ffc80f91b40 at pc 0x00000e287010 bp 0x7ffc80f8f7b0 sp 0x7ffc80f8f7a8
2020-04-18T23:23:29.3243471Z READ of size 4 at 0x7ffc80f91b40 thread T0
2020-04-18T23:23:29.3247708Z     #0 0xe28700f in Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)::operator()(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>) const /proc/self/cwd/test/extensions/clusters/redis/redis_cluster_test.cc:155:14
2020-04-18T23:23:29.3261363Z     #1 0xe286c46 in decltype(std::__1::forward<Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)&>(fp)(std::__1::forward<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&>(fp0), std::__1::forward<Envoy::Network::DnsLookupFamily>(fp0), std::__1::forward<std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> >(fp0))) std::__1::__invoke<Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> >(Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily&&, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>&&) /opt/llvm/bin/../include/c++/v1/type_traits:3530:1
2020-04-18T23:23:29.3276582Z     #2 0xe28674a in Envoy::Network::ActiveDnsQuery* std::__1::__invoke_void_return_wrapper<Envoy::Network::ActiveDnsQuery*>::__call<Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> >(Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily&&, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>&&) /opt/llvm/bin/../include/c++/v1/__functional_base:317:16
2020-04-18T23:23:29.3308884Z     #3 0xe2864f8 in std::__1::__function::__alloc_func<Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>), std::__1::allocator<Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>, Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>::operator()(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily&&, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>&&) /opt/llvm/bin/../include/c++/v1/functional:1533:16
2020-04-18T23:23:29.3321408Z     #4 0xe280ced in std::__1::__function::__func<Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>), std::__1::allocator<Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>, Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>::operator()(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily&&, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>&&) /opt/llvm/bin/../include/c++/v1/functional:1707:12
2020-04-18T23:23:29.3327893Z     #5 0x11990a87 in std::__1::__function::__value_func<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>::operator()(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily&&, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>&&) const /opt/llvm/bin/../include/c++/v1/functional:1860:16
2020-04-18T23:23:29.3331340Z     #6 0x119903a1 in std::__1::function<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>::operator()(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>) const /opt/llvm/bin/../include/c++/v1/functional:2419:12
2020-04-18T23:23:29.3341678Z     #7 0x1198fe94 in decltype(std::forward<std::__1::function<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)> const&>(fp)(std::get<0ul>(std::forward<std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> > >(fp0)), std::get<1ul>(std::forward<std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> > >(fp0)), std::get<2ul>(std::forward<std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> > >(fp0)))) testing::internal::ApplyImpl<std::__1::function<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)> const&, std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> >, 0ul, 1ul, 2ul>(std::__1::function<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)> const&, std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> >&&, testing::internal::IndexSequence<0ul, 1ul, 2ul>) /proc/self/cwd/external/com_google_googletest/googlemock/include/gmock/internal/gmock-internal-utils.h:462:10
2020-04-18T23:23:29.3386463Z     #8 0x1198f7fd in decltype(ApplyImpl(std::forward<std::__1::function<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)> const&>(fp), std::forward<std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> > >(fp0), (testing::internal::MakeIndexSequence<std::tuple_size<std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> > >::value>)())) testing::internal::Apply<std::__1::function<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)> const&, std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> > >(std::__1::function<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)> const&, std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> >&&) /proc/self/cwd/external/com_google_googletest/googlemock/include/gmock/internal/gmock-internal-utils.h:470:10
2020-04-18T23:23:29.3395429Z     #9 0x1198ce04 in testing::Action<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>::Perform(std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)> >) const /proc/self/cwd/external/com_google_googletest/googlemock/include/gmock/gmock-actions.h:392:12
2020-04-18T23:23:29.3401486Z     #10 0x119916e6 in testing::internal::ActionResultHolder<Envoy::Network::ActiveDnsQuery*>* testing::internal::ActionResultHolder<Envoy::Network::ActiveDnsQuery*>::PerformAction<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>(testing::Action<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)> const&, testing::internal::Function<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>::ArgumentTuple&&) /proc/self/cwd/external/com_google_googletest/googlemock/include/gmock/gmock-spec-builders.h:1409:24
2020-04-18T23:23:29.3406768Z     #11 0x1198a163 in testing::internal::FunctionMocker<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>::UntypedPerformAction(void const*, void*) const /proc/self/cwd/external/com_google_googletest/googlemock/include/gmock/gmock-spec-builders.h:1563:12
2020-04-18T23:23:29.3408807Z     #12 0x1b293f22 in testing::internal::UntypedFunctionMockerBase::UntypedInvokeWith(void*) /proc/self/cwd/external/com_google_googletest/googlemock/src/gmock-spec-builders.cc:448:24
2020-04-18T23:23:29.3412089Z     #13 0xe07ca91 in testing::internal::FunctionMocker<Envoy::Network::ActiveDnsQuery* (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)>::Invoke(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>) /proc/self/cwd/external/com_google_googletest/googlemock/include/gmock/gmock-spec-builders.h:1600:15
2020-04-18T23:23:29.3415088Z     #14 0xe07c518 in Envoy::Network::MockDnsResolver::resolve(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>) /proc/self/cwd/./test/mocks/network/mocks.h:45:3
2020-04-18T23:23:29.3416576Z     #15 0xe4643d2 in Envoy::Extensions::Clusters::Redis::RedisCluster::DnsDiscoveryResolveTarget::startResolveDns() /proc/self/cwd/source/extensions/clusters/redis/redis_cluster.cc:159:42
2020-04-18T23:23:29.3417481Z     #16 0xe463a0c in Envoy::Extensions::Clusters::Redis::RedisCluster::startPreInit() /proc/self/cwd/source/extensions/clusters/redis/redis_cluster.cc:73:13
2020-04-18T23:23:29.3418321Z     #17 0x127e672b in Envoy::Upstream::ClusterImplBase::initialize(std::__1::function<void ()>) /proc/self/cwd/source/common/upstream/upstream_impl.cc:950:3
2020-04-18T23:23:29.3419193Z     #18 0xdf79997 in Envoy::Extensions::Clusters::Redis::RedisClusterTest_EmptyDnsResponse_Test::TestBody() /proc/self/cwd/test/extensions/clusters/redis/redis_cluster_test.cc:659:13
2020-04-18T23:23:29.3420252Z     #19 0x1b3e882d in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2433:10
2020-04-18T23:23:29.3421489Z     #20 0x1b396c25 in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2469:14
2020-04-18T23:23:29.3422412Z     #21 0x1b3409e6 in testing::Test::Run() /proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2508:5
2020-04-18T23:23:29.3423095Z     #22 0x1b3436ef in testing::TestInfo::Run() /proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2684:11
2020-04-18T23:23:29.3423789Z     #23 0x1b345e5b in testing::TestSuite::Run() /proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2816:28
2020-04-18T23:23:29.3424514Z     #24 0x1b376f01 in testing::internal::UnitTestImpl::RunAllTests() /proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:5338:44
2020-04-18T23:23:29.3425578Z     #25 0x1b3fc4cb in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2433:10
2020-04-18T23:23:29.3427078Z     #26 0x1b3a21a5 in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2469:14
2020-04-18T23:23:29.3428107Z     #27 0x1b374d27 in testing::UnitTest::Run() /proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:4925:10
2020-04-18T23:23:29.3428918Z     #28 0x13f9a7ef in RUN_ALL_TESTS() /proc/self/cwd/external/com_google_googletest/googletest/include/gtest/gtest.h:2473:46
2020-04-18T23:23:29.3429711Z     #29 0x13f9789e in Envoy::TestRunner::RunTests(int, char**) /proc/self/cwd/test/test_runner.cc:134:10
2020-04-18T23:23:29.3430267Z     #30 0x13f9041a in main /proc/self/cwd/test/main.cc:46:10
2020-04-18T23:23:29.3431117Z     #31 0x7fcd4140782f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
2020-04-18T23:23:29.3432152Z     #32 0xdecc028 in _start (/b/f/w/bazel-out/k8-dbg/bin/test/extensions/clusters/redis/redis_cluster_test.runfiles/envoy/test/extensions/clusters/redis/redis_cluster_test+0xdecc028)
2020-04-18T23:23:29.3432695Z 
2020-04-18T23:23:29.3433075Z Address 0x7ffc80f91b40 is located in stack of thread T0 at offset 32 in frame
2020-04-18T23:23:29.3433752Z     #0 0x127e579f in Envoy::Upstream::ClusterImplBase::initialize(std::__1::function<void ()>) /proc/self/cwd/source/common/upstream/upstream_impl.cc:946
2020-04-18T23:23:29.3434266Z 
2020-04-18T23:23:29.3434589Z   This frame has 8 object(s):
2020-04-18T23:23:29.3435277Z     [32, 56) 'ref.tmp' (line 947) <== Memory access at offset 32 is inside this variable
2020-04-18T23:23:29.3435920Z     [96, 120) 'agg.tmp'
2020-04-18T23:23:29.3436459Z     [160, 176) 'agg.tmp21'
2020-04-18T23:23:29.3437008Z     [192, 200) 'ref.tmp23' (line 947)
2020-04-18T23:23:29.3437597Z     [224, 248) 'ref.tmp45' (line 948)
2020-04-18T23:23:29.3438143Z     [288, 312) 'agg.tmp68'
2020-04-18T23:23:29.3438704Z     [352, 368) 'agg.tmp70'
2020-04-18T23:23:29.3439268Z     [384, 392) 'ref.tmp72' (line 948)
2020-04-18T23:23:29.3439771Z HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
2020-04-18T23:23:29.3440303Z       (longjmp and C++ exceptions *are* supported)
2020-04-18T23:23:29.3443740Z SUMMARY: AddressSanitizer: stack-use-after-scope /proc/self/cwd/test/extensions/clusters/redis/redis_cluster_test.cc:155:14 in Envoy::Extensions::Clusters::Redis::RedisClusterTest::expectResolveDiscovery(Envoy::Network::DnsLookupFamily, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::list<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, Envoy::Network::DnsResolver::ResolutionStatus)::'lambda'(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Network::DnsLookupFamily, std::__1::function<void (Envoy::Network::DnsResolver::ResolutionStatus, std::__1::list<Envoy::Network::DnsResponse, std::__1::allocator<Envoy::Network::DnsResponse> >&&)>)::operator()(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, Envoy::Net
2020-04-18T23:23:29.3446475Z Shadow bytes around the buggy address:
2020-04-18T23:23:29.3446959Z   0x1000101ea310: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2020-04-18T23:23:29.3447457Z   0x1000101ea320: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2020-04-18T23:23:29.3447936Z   0x1000101ea330: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2
2020-04-18T23:23:29.3448414Z   0x1000101ea340: 00 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
2020-04-18T23:23:29.3449010Z   0x1000101ea350: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2020-04-18T23:23:29.3449503Z =>0x1000101ea360: 00 00 00 00 f1 f1 f1 f1[f8]f8 f8 f2 f2 f2 f2 f2
2020-04-18T23:23:29.3449982Z   0x1000101ea370: 00 00 00 f2 f2 f2 f2 f2 00 00 f2 f2 f8 f2 f2 f2
2020-04-18T23:23:29.3450446Z   0x1000101ea380: f8 f8 f8 f2 f2 f2 f2 f2 00 00 00 f2 f2 f2 f2 f2
2020-04-18T23:23:29.3450924Z   0x1000101ea390: 00 00 f2 f2 f8 f3 f3 f3 00 00 00 00 00 00 00 00
2020-04-18T23:23:29.3451384Z   0x1000101ea3a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2020-04-18T23:23:29.3451941Z   0x1000101ea3b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2020-04-18T23:23:29.3452430Z Shadow byte legend (one shadow byte represents 8 application bytes):
2020-04-18T23:23:29.3452898Z   Addressable:           00
2020-04-18T23:23:29.3453265Z   Partially addressable: 01 02 03 04 05 06 07 
2020-04-18T23:23:29.3453631Z   Heap left redzone:       fa
2020-04-18T23:23:29.3453955Z   Freed heap region:       fd
2020-04-18T23:23:29.3454297Z   Stack left redzone:      f1
2020-04-18T23:23:29.3454635Z   Stack mid redzone:       f2
2020-04-18T23:23:29.3473334Z   Stack right redzone:     f3
2020-04-18T23:23:29.3473921Z   Stack after return:      f5
2020-04-18T23:23:29.3474278Z   Stack use after scope:   f8
2020-04-18T23:23:29.3474648Z   Global redzone:          f9
2020-04-18T23:23:29.3475008Z   Global init order:       f6
2020-04-18T23:23:29.3475355Z   Poisoned by user:        f7
2020-04-18T23:23:29.3475714Z   Container overflow:      fc
2020-04-18T23:23:29.3476073Z   Array cookie:            ac
2020-04-18T23:23:29.3476419Z   Intra object redzone:    bb
2020-04-18T23:23:29.3476787Z   ASan internal:           fe
2020-04-18T23:23:29.3477137Z   Left alloca redzone:     ca
2020-04-18T23:23:29.3477501Z   Right alloca redzone:    cb
2020-04-18T23:23:29.3478226Z   Shadow gap:              cc
2020-04-18T23:23:29.3478557Z ==17==ABORTING

[euroelessar]

It looks like the failed test is broken at HEAD.

[mattklein123]

@HenryYYang PTAL

[HenryYYang]

👍

[HenryYYang]

thanks for fixing this.