[llvm-bugs] [Bug 43549] New: tools/dsymutil/ARM/fat-threading.test failing on asan bot

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=43549

            Bug ID: 43549
           Summary: tools/dsymutil/ARM/fat-threading.test failing on asan
                    bot
           Product: tools
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: llvm-dsymutil
          Assignee: unassignedbugs at nondot.org
          Reporter: nicolasweber at gmx.de
                CC: aprantl at apple.com, friss at apple.com,
                    jdevlieghere at apple.com, llvm-bugs at lists.llvm.org

Started here :
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/35624


READ of size 1 at 0x7f85f32d19b0 thread T1
    #0 0x6b4c8b in
main::$_0::operator()(std::__1::shared_ptr<llvm::raw_fd_ostream>,
llvm::dsymutil::LinkOptions) const
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/dsymutil/dsymutil.cpp:587:13
    #1 0x6bf4a8 in __invoke<(lambda at
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/dsymutil/dsymutil.cpp:582:25)
&, std::__1::shared_ptr<llvm::raw_fd_ostream> &, llvm::dsymutil::LinkOptions &>
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/type_traits:3525:1
    #2 0x6bf4a8 in __apply_functor<(lambda at
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/dsymutil/dsymutil.cpp:582:25),
std::__1::tuple<std::__1::shared_ptr<llvm::raw_fd_ostream>,
llvm::dsymutil::LinkOptions>, 0, 1, std::__1::tuple<> >
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/functional:2770
    #3 0x6bf4a8 in operator()<>
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/functional:2803
    #4 0x6bf4a8 in __invoke<std::__1::__bind<(lambda at
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/dsymutil/dsymutil.cpp:582:25)
&, std::__1::shared_ptr<llvm::raw_fd_ostream> &, llvm::dsymutil::LinkOptions &>
&>
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/type_traits:3525
    #5 0x6bf4a8 in __call<std::__1::__bind<(lambda at
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/dsymutil/dsymutil.cpp:582:25)
&, std::__1::shared_ptr<llvm::raw_fd_ostream> &, llvm::dsymutil::LinkOptions &>
&>
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/__functional_base:348
    #6 0x6bf4a8 in operator()
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/functional:1540
    #7 0x6bf4a8 in std::__1::__function::__func<std::__1::__bind<main::$_0&,
std::__1::shared_ptr<llvm::raw_fd_ostream>&, llvm::dsymutil::LinkOptions&>,
std::__1::allocator<std::__1::__bind<main::$_0&,
std::__1::shared_ptr<llvm::raw_fd_ostream>&, llvm::dsymutil::LinkOptions&> >,
void ()>::operator()()
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/functional:1714
    #8 0x39bf76f in operator()
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/future:1993:12
    #9 0x39bf76f in operator()
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/future:2213
    #10 0x39bf76f in operator()
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Support/ThreadPool.cpp:56
    #11 0x39bf76f in __invoke<(lambda at
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Support/ThreadPool.cpp:32:26)>
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/type_traits:3525
    #12 0x39bf76f in
__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct,
std::__1::default_delete<std::__1::__thread_struct> >, (lambda at
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Support/ThreadPool.cpp:32:26)>
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/thread:273
    #13 0x39bf76f in void*
std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct,
std::__1::default_delete<std::__1::__thread_struct> >,
llvm::ThreadPool::ThreadPool(unsigned int)::$_0> >(void*)
/b/sanitizer-x86_64-linux-fast/build/libcxx_build_asan/include/c++/v1/thread:283
    #14 0x7f85f67df4a3 in start_thread
(/lib/x86_64-linux-gnu/libpthread.so.0+0x74a3)
    #15 0x7f85f630ad0e in clone (/lib/x86_64-linux-gnu/libc.so.6+0xe8d0e)

Address 0x7f85f32d19b0 is located in stack of thread T0 at offset 6576 in frame
    #0 0x69d65f in main
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/dsymutil/dsymutil.cpp:429

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