[ 
https://issues.apache.org/jira/browse/KUDU-2212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16909504#comment-16909504
 ] 

Alexey Serbin commented on KUDU-2212:
-------------------------------------

One more:

{noformat}
==================                                                              
WARNING: ThreadSanitizer: destroy of a locked mutex (pid=28764)                 
    #0 pthread_rwlock_destroy 
/data/8/aserbin/Projects/kudu/thirdparty/src/llvm-6.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:1313
 (kudu+0x4bbaf4)
    #1 glog_internal_namespace_::Mutex::~Mutex() 
/data/8/aserbin/Projects/kudu/thirdparty/src/glog-0.3.5/src/base/mutex.h:249:30 
(libglog.so.0+0x16468)
    #2 cxa_at_exit_wrapper(void*) 
/data/8/aserbin/Projects/kudu/thirdparty/src/llvm-6.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:386
 (kudu+0x48be83)
                                                                                
  and:
    #0 __is_long 
/data/8/aserbin/Projects/kudu/thirdparty/src/llvm-6.0.0.src/projects/libcxx/include/string:1255:39
 (libc++.so.1+0xd7b09)
    #1 std::__1::basic_string<char, std::__1::char_traits<char>, 
std::__1::allocator<char> >::~basic_string() 
/data/8/aserbin/Projects/kudu/thirdparty/src/llvm-6.0.0.src/projects/libcxx/include/string:1940
 (libc++.so.1+0xd7b09)
    #2 google::CommandLineFlagInfo::~CommandLineFlagInfo() 
/data/8/aserbin/Projects/kudu/thirdparty/installed/tsan/include/gflags/gflags.h:155:8
 (libkudu_tools_util.so+0x6bacc)
    #3 
std::__1::allocator<google::CommandLineFlagInfo>::destroy(google::CommandLineFlagInfo*)
 
/data/8/aserbin/Projects/kudu/thirdparty/installed/tsan/include/c++/v1/memory:1860:64
 (libgflags.so.2.2+0x13247)
    #4 void 
std::__1::allocator_traits<std::__1::allocator<google::CommandLineFlagInfo> 
>::__destroy<google::CommandLineFlagInfo>(std::__1::integral_constant<bool, 
true>, std::__1::allocator<google::CommandLineFlagInfo>&, 
google::CommandLineFlagInfo*) 
/data/8/aserbin/Projects/kudu/thirdparty/installed/tsan/include/c++/v1/memory:1727
 (libgflags.so.2.2+0x13247)
    #5 void 
std::__1::allocator_traits<std::__1::allocator<google::CommandLineFlagInfo> 
>::destroy<google::CommandLineFlagInfo>(std::__1::allocator<google::CommandLineFlagInfo>&,
 google::CommandLineFl
agInfo*) 
/data/8/aserbin/Projects/kudu/thirdparty/installed/tsan/include/c++/v1/memory:1595
 (libgflags.so.2.2+0x13247)
    #6 std::__1::__split_buffer<google::CommandLineFlagInfo, 
std::__1::allocator<google::CommandLineFlagInfo>&>::__destruct_at_end(google::CommandLineFlagInfo*,
 std::__1::integral_constant<bool, false
>) 
>/data/8/aserbin/Projects/kudu/thirdparty/installed/tsan/include/c++/v1/__split_buffer:296
> (libgfl
ags.so.2.2+0x13247)
    #7 std::__1::__split_buffer<google::CommandLineFlagInfo, 
std::__1::allocator<google::CommandLineFlagInfo>&>::__destruct_at_end(google::CommandLineFlagInfo*)
 /data/8/aserbin/Projects/kudu/thirdpart
y/installed/tsan/include/c++/v1/__split_buffer:141 (libgflags.so.2.2+0x13247)
    #8 std::__1::__split_buffer<google::CommandLineFlagInfo, 
std::__1::allocator<google::CommandLine
FlagInfo>&>::clear() 
/data/8/aserbin/Projects/kudu/thirdparty/installed/tsan/include/c++/v1/__split_buffer:88
 (libgflags.so.2.2+0x13247)
    #9 std::__1::__split_buffer<google::CommandLineFlagInfo, 
std::__1::allocator<google::CommandLineFlagInfo>&>::~__split_buffer() 
/data/8/aserbin/Projects/kudu/thirdparty/installed/tsan/include/c++/v
1/__split_buffer:341 (libgflags.so.2.2+0x13247)    #10 void 
std::__1::vector<google::CommandLineFlagInfo, 
std::__1::allocator<google::CommandLineFl
agInfo> >::__push_back_slow_path<google::CommandLineFlagInfo 
const&>(google::CommandLineFlagInfo const&) 
/data/8/aserbin/Projects/kudu/thirdparty/installed/tsan/include/c++/v1/vector:1583
 (libgflags.s
o.2.2+0x13247)
    #11 std::__1::vector<google::CommandLineFlagInfo, 
std::__1::allocator<google::CommandLineFlagInf
o> >::push_back(google::CommandLineFlagInfo const&) 
/data/8/aserbin/Projects/kudu/thirdparty/installed/tsan/include/c++/v1/vector:1599:9
 (libgflags.so.2.2+0x71db)
    #12 google::GetAllFlags(std::__1::vector<google::CommandLineFlagInfo, 
std::__1::allocator<google
::CommandLineFlagInfo> >*) 
/data/8/aserbin/Projects/kudu/thirdparty/src/gflags-2.2.0/src/gflags.cc:1
529 (libgflags.so.2.2+0x71db)
    #13 kudu::(anonymous 
namespace)::CheckFlagsAndWarn(std::__1::basic_string<char, std::__1::char_t
raits<char>, std::__1::allocator<char> > const&, bool) 
/data/8/aserbin/Projects/kudu/src/kudu/util/flags.cc:394:3 
(libkudu_util.so+0x16152a)
    #14 kudu::(anonymous namespace)::CheckFlagsAllowed() 
/data/8/aserbin/Projects/kudu/src/kudu/util/flags.cc:425:18 
(libkudu_util.so+0x1600f9)
    #15 kudu::HandleCommonFlags() 
/data/8/aserbin/Projects/kudu/src/kudu/util/flags.cc:500:3 
(libkudu_util.so+0x15f8c9)
    #16 ParseCommandLineFlags(char const*) 
/data/8/aserbin/Projects/kudu/src/kudu/tools/tool_main.cc:245:3 (kudu+0x5bd174)
    #17 main /data/8/aserbin/Projects/kudu/src/kudu/tools/tool_main.cc:263:20 
(kudu+0x5bcf87)
                                                                                
  Location is global 'google::vmodule_lock' of size 64 at 0x7fe3ee4447e8 
(libglog.so.0+0x00000023c7e8)
                                                                                
  Mutex M134 (0x7fe3ee4447e8) created at:                                       
    #0 pthread_rwlock_init 
/data/8/aserbin/Projects/kudu/thirdparty/src/llvm-6.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:1304
 (kudu+0x4bbd64)
    #1 glog_internal_namespace_::Mutex::Mutex() 
/data/8/aserbin/Projects/kudu/thirdparty/src/glog-0.3.5/src/base/mutex.h:247:19 
(libglog.so.0+0xcc86)
    #2 __cxx_global_var_init.15 
/data/8/aserbin/Projects/kudu/thirdparty/src/glog-0.3.5/src/vlog_is_on.cc:120 
(libglog.so.0+0xcc86)
    #3 _GLOBAL__sub_I_vlog_is_on.cc 
/data/8/aserbin/Projects/kudu/thirdparty/src/glog-0.3.5/src/vlog_is_on.cc 
(libglog.so.0+0xcc86)
    #4 call_init /build/eglibc-SvCtMH/eglibc-2.19/elf/dl-init.c:78 
(ld-linux-x86-64.so.2+0x102d9)
                                                                                
SUMMARY: ThreadSanitizer: destroy of a locked mutex 
/data/8/aserbin/Projects/kudu/thirdparty/src/glog-0.3.5/src/base/mutex.h:249:30 
in glog_internal_namespace_::Mutex::~Mutex()
==================                                                              
ThreadSanitizer: reported 1 warnings
{noformat}

> TSAN "destroy of locked mutex" failure in kudu-admin-test
> ---------------------------------------------------------
>
>                 Key: KUDU-2212
>                 URL: https://issues.apache.org/jira/browse/KUDU-2212
>             Project: Kudu
>          Issue Type: Bug
>          Components: test
>            Reporter: Todd Lipcon
>            Priority: Major
>         Attachments: kudu-tool-test.0.txt.gz
>
>
> admin cli test is flaky with:
> WARNING: ThreadSanitizer: destroy of a locked mutex (pid=16401)
>     #0 pthread_rwlock_destroy 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/src/llvm-4.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:1214
>  (kudu+0x49c866)
>     #1 glog_internal_namespace_::Mutex::~Mutex() 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/src/glog-0.3.5/src/base/mutex.h:249:30
>  (libglog.so.0+0x15878)
>     #2 at_exit_wrapper(void*) 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/src/llvm-4.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:375
>  (kudu+0x4706a3)
>   and:
>     #0 memcpy 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/src/llvm-4.0.0.src/projects/compiler-rt/lib/tsan/../sanitizer_common/sanitizer_common_interceptors.inc:655
>  (kudu+0x49344c)
>     #1 std::__1::char_traits<char>::copy(char*, char const*, unsigned long) 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/installed/tsan/include/c++/v1/__string:223:50
>  (kudu+0x51285e)
>     #2 std::__1::basic_string<char, std::__1::char_traits<char>, 
> std::__1::allocator<char> >::__init(char const*, unsigned long) 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/installed/tsan/include/c++/v1/string:1538:5
>  (libkudu_util.so+0x13c118)
>     #3 std::__1::basic_string<char, std::__1::char_traits<char>, 
> std::__1::allocator<char> >::basic_string(char const*) 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/installed/tsan/include/c++/v1/string:1547
>  (libkudu_util.so+0x13c118)
>     #4 kudu::flag_tags_internal::FlagTagger::FlagTagger(char const*, char 
> const*) 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/src/kudu/util/flag_tags.cc:76
>  (libkudu_util.so+0x13c118)
>     #5 __cxx_global_var_init.8 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/src/kudu/server/rpc_server.cc:54:1
>  (libserver_process.so+0x5f7c8)
>     #6 _GLOBAL__sub_I_rpc_server.cc 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/src/kudu/server/rpc_server.cc
>  (libserver_process.so+0x5fcfc)
>     #7 _dl_init_internal <null> (ld-linux-x86-64.so.2+0xe64e)
>   Location is global 'google::log_mutex' of size 64 at 0x7ff79ecd3038 
> (libglog.so.0+0x00000022b038)
>   Mutex M115 (0x7ff79ecd3038) created at:
>     #0 pthread_rwlock_init 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/src/llvm-4.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:1205
>  (kudu+0x49ca9c)
>     #1 glog_internal_namespace_::Mutex::Mutex() 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/src/glog-0.3.5/src/base/mutex.h:247:19
>  (libglog.so.0+0xc5f3)
>     #2 __cxx_global_var_init.130 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/src/glog-0.3.5/src/logging.cc:372
>  (libglog.so.0+0xc5f3)
>     #3 _GLOBAL__sub_I_logging.cc 
> /data/somelongdirectorytoavoidrpathissues/src/kudu/thirdparty/src/glog-0.3.5/src/logging.cc
>  (libglog.so.0+0xc5f3)
>     #4 _dl_init_internal <null> (ld-linux-x86-64.so.2+0xe64e)



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