==================
WARNING: ThreadSanitizer: data race (pid=26237)
  Read of size 4 at 0x00000301ba84 by thread T4:
    #0 SkMatrix::getType() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 (fm+0x18d1022)
    #1 SkMatrix::mapRect(SkRect*, SkRect const&, SkApplyPerspectiveClip) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/src/core/SkMatrix.cpp:1152:15 (fm+0x18d1022)
    #2 DashCircle2GM::onDraw(SkCanvas*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/dashcircle.cpp:198:15 (fm+0x11415ba)
    #3 skiagm::GM::onDraw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:133:11 (fm+0x117bcd9)
    #4 skiagm::GM::drawContent(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:119:35 (fm+0x117bc2a)
    #5 skiagm::GM::draw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:112:18 (fm+0x117b8c1)
    #6 init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:149:21 (fm+0x10c6125)
    #7 decltype(std::__1::forward<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c6125)
    #8 Result std::__1::__invoke_void_return_wrapper<Result>::__call<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10c6125)
    #9 std::__1::__function::__alloc_func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10c6125)
    #10 std::__1::__function::__func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10c6125)
    #11 std::__1::__function::__value_func<Result (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10cb1e2)
    #12 std::__1::function<Result (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10cb1e2)
    #13 main::$_1::operator()() const::'lambda'(SkCanvas*)::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:564:29 (fm+0x10cb1e2)
    #14 decltype(std::__1::forward<main::$_1::operator()() const::'lambda'(SkCanvas*)&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10cb1e2)
    #15 bool std::__1::__invoke_void_return_wrapper<bool>::__call<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10cb1e2)
    #16 std::__1::__function::__alloc_func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10cb1e2)
    #17 std::__1::__function::__func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10cb1e2)
    #18 std::__1::__function::__value_func<bool (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10c9c8c)
    #19 std::__1::function<bool (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10c9c8c)
    #20 draw_with_cpu(std::__1::function<bool (SkCanvas*)>, SkImageInfo) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:252:13 (fm+0x10c9c8c)
    #21 main::$_1::operator()() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:583:25 (fm+0x10c9c8c)
    #22 decltype(std::__1::forward<main::$_1>(fp)()) std::__1::__invoke<main::$_1>(main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c9c8c)
    #23 void std::__1::__async_func<main::$_1>::__execute<>(std::__1::__tuple_indices<>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2320:16 (fm+0x10c9c8c)
    #24 std::__1::__async_func<main::$_1>::operator()() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2313:16 (fm+0x10c9c8c)
    #25 std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::__execute() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:1036:9 (fm+0x10c9a5d)
    #26 decltype(*(std::__1::forward<std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>(fp0)).*fp()) std::__1::__invoke<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3480:1 (fm+0x10cb2de)
    #27 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, 2ul>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>&, std::__1::__tuple_indices<2ul>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:273:5 (fm+0x10cb2de)
    #28 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*> >(void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:284:5 (fm+0x10cb2de)

  Previous write of size 4 at 0x00000301ba84 by thread T3:
    #0 SkMatrix::getType() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:203:23 (fm+0x18d1170)
    #1 SkMatrix::mapRect(SkRect*, SkRect const&, SkApplyPerspectiveClip) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/src/core/SkMatrix.cpp:1152:15 (fm+0x18d1170)
    #2 DashCircle2GM::onDraw(SkCanvas*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/dashcircle.cpp:198:15 (fm+0x11415ba)
    #3 skiagm::GM::onDraw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:133:11 (fm+0x117bcd9)
    #4 skiagm::GM::drawContent(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:119:35 (fm+0x117bc2a)
    #5 skiagm::GM::draw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:112:18 (fm+0x117b8c1)
    #6 init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:149:21 (fm+0x10c6125)
    #7 decltype(std::__1::forward<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c6125)
    #8 Result std::__1::__invoke_void_return_wrapper<Result>::__call<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10c6125)
    #9 std::__1::__function::__alloc_func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10c6125)
    #10 std::__1::__function::__func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10c6125)
    #11 std::__1::__function::__value_func<Result (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10cb1e2)
    #12 std::__1::function<Result (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10cb1e2)
    #13 main::$_1::operator()() const::'lambda'(SkCanvas*)::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:564:29 (fm+0x10cb1e2)
    #14 decltype(std::__1::forward<main::$_1::operator()() const::'lambda'(SkCanvas*)&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10cb1e2)
    #15 bool std::__1::__invoke_void_return_wrapper<bool>::__call<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10cb1e2)
    #16 std::__1::__function::__alloc_func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10cb1e2)
    #17 std::__1::__function::__func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10cb1e2)
    #18 std::__1::__function::__value_func<bool (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10c9c8c)
    #19 std::__1::function<bool (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10c9c8c)
    #20 draw_with_cpu(std::__1::function<bool (SkCanvas*)>, SkImageInfo) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:252:13 (fm+0x10c9c8c)
    #21 main::$_1::operator()() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:583:25 (fm+0x10c9c8c)
    #22 decltype(std::__1::forward<main::$_1>(fp)()) std::__1::__invoke<main::$_1>(main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c9c8c)
    #23 void std::__1::__async_func<main::$_1>::__execute<>(std::__1::__tuple_indices<>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2320:16 (fm+0x10c9c8c)
    #24 std::__1::__async_func<main::$_1>::operator()() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2313:16 (fm+0x10c9c8c)
    #25 std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::__execute() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:1036:9 (fm+0x10c9a5d)
    #26 decltype(*(std::__1::forward<std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>(fp0)).*fp()) std::__1::__invoke<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3480:1 (fm+0x10cb2de)
    #27 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, 2ul>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>&, std::__1::__tuple_indices<2ul>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:273:5 (fm+0x10cb2de)
    #28 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*> >(void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:284:5 (fm+0x10cb2de)

  Location is global 'DashCircle2GM::onDraw(SkCanvas*)::kMatrices' of size 280 at 0x00000301ba10 (fm+0x00000301ba84)

  Thread T4 (tid=26392, running) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

  Thread T3 (tid=26390, running) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

SUMMARY: ThreadSanitizer: data race /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 in SkMatrix::getType() const
==================
==================
WARNING: ThreadSanitizer: data race (pid=26237)
  Read of size 4 at 0x00000301baac by thread T4:
    #0 SkMatrix::getType() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 (fm+0x18d1022)
    #1 SkMatrix::mapRect(SkRect*, SkRect const&, SkApplyPerspectiveClip) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/src/core/SkMatrix.cpp:1152:15 (fm+0x18d1022)
    #2 DashCircle2GM::onDraw(SkCanvas*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/dashcircle.cpp:198:15 (fm+0x11415dc)
    #3 skiagm::GM::onDraw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:133:11 (fm+0x117bcd9)
    #4 skiagm::GM::drawContent(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:119:35 (fm+0x117bc2a)
    #5 skiagm::GM::draw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:112:18 (fm+0x117b8c1)
    #6 init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:149:21 (fm+0x10c6125)
    #7 decltype(std::__1::forward<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c6125)
    #8 Result std::__1::__invoke_void_return_wrapper<Result>::__call<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10c6125)
    #9 std::__1::__function::__alloc_func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10c6125)
    #10 std::__1::__function::__func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10c6125)
    #11 std::__1::__function::__value_func<Result (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10cb1e2)
    #12 std::__1::function<Result (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10cb1e2)
    #13 main::$_1::operator()() const::'lambda'(SkCanvas*)::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:564:29 (fm+0x10cb1e2)
    #14 decltype(std::__1::forward<main::$_1::operator()() const::'lambda'(SkCanvas*)&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10cb1e2)
    #15 bool std::__1::__invoke_void_return_wrapper<bool>::__call<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10cb1e2)
    #16 std::__1::__function::__alloc_func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10cb1e2)
    #17 std::__1::__function::__func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10cb1e2)
    #18 std::__1::__function::__value_func<bool (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10c9c8c)
    #19 std::__1::function<bool (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10c9c8c)
    #20 draw_with_cpu(std::__1::function<bool (SkCanvas*)>, SkImageInfo) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:252:13 (fm+0x10c9c8c)
    #21 main::$_1::operator()() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:583:25 (fm+0x10c9c8c)
    #22 decltype(std::__1::forward<main::$_1>(fp)()) std::__1::__invoke<main::$_1>(main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c9c8c)
    #23 void std::__1::__async_func<main::$_1>::__execute<>(std::__1::__tuple_indices<>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2320:16 (fm+0x10c9c8c)
    #24 std::__1::__async_func<main::$_1>::operator()() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2313:16 (fm+0x10c9c8c)
    #25 std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::__execute() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:1036:9 (fm+0x10c9a5d)
    #26 decltype(*(std::__1::forward<std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>(fp0)).*fp()) std::__1::__invoke<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3480:1 (fm+0x10cb2de)
    #27 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, 2ul>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>&, std::__1::__tuple_indices<2ul>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:273:5 (fm+0x10cb2de)
    #28 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*> >(void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:284:5 (fm+0x10cb2de)

  Previous write of size 4 at 0x00000301baac by thread T3:
    [failed to restore the stack]

  Location is global 'DashCircle2GM::onDraw(SkCanvas*)::kMatrices' of size 280 at 0x00000301ba10 (fm+0x00000301baac)

  Thread T4 (tid=26392, running) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

  Thread T3 (tid=26390, finished) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

SUMMARY: ThreadSanitizer: data race /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 in SkMatrix::getType() const
==================
==================
WARNING: ThreadSanitizer: data race (pid=26237)
  Read of size 4 at 0x00000301bafc by thread T4:
    #0 SkMatrix::getType() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 (fm+0x18d1022)
    #1 SkMatrix::mapRect(SkRect*, SkRect const&, SkApplyPerspectiveClip) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/src/core/SkMatrix.cpp:1152:15 (fm+0x18d1022)
    #2 DashCircle2GM::onDraw(SkCanvas*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/dashcircle.cpp:198:15 (fm+0x1141620)
    #3 skiagm::GM::onDraw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:133:11 (fm+0x117bcd9)
    #4 skiagm::GM::drawContent(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:119:35 (fm+0x117bc2a)
    #5 skiagm::GM::draw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:112:18 (fm+0x117b8c1)
    #6 init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:149:21 (fm+0x10c6125)
    #7 decltype(std::__1::forward<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c6125)
    #8 Result std::__1::__invoke_void_return_wrapper<Result>::__call<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10c6125)
    #9 std::__1::__function::__alloc_func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10c6125)
    #10 std::__1::__function::__func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10c6125)
    #11 std::__1::__function::__value_func<Result (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10cb1e2)
    #12 std::__1::function<Result (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10cb1e2)
    #13 main::$_1::operator()() const::'lambda'(SkCanvas*)::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:564:29 (fm+0x10cb1e2)
    #14 decltype(std::__1::forward<main::$_1::operator()() const::'lambda'(SkCanvas*)&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10cb1e2)
    #15 bool std::__1::__invoke_void_return_wrapper<bool>::__call<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10cb1e2)
    #16 std::__1::__function::__alloc_func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10cb1e2)
    #17 std::__1::__function::__func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10cb1e2)
    #18 std::__1::__function::__value_func<bool (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10c9c8c)
    #19 std::__1::function<bool (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10c9c8c)
    #20 draw_with_cpu(std::__1::function<bool (SkCanvas*)>, SkImageInfo) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:252:13 (fm+0x10c9c8c)
    #21 main::$_1::operator()() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:583:25 (fm+0x10c9c8c)
    #22 decltype(std::__1::forward<main::$_1>(fp)()) std::__1::__invoke<main::$_1>(main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c9c8c)
    #23 void std::__1::__async_func<main::$_1>::__execute<>(std::__1::__tuple_indices<>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2320:16 (fm+0x10c9c8c)
    #24 std::__1::__async_func<main::$_1>::operator()() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2313:16 (fm+0x10c9c8c)
    #25 std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::__execute() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:1036:9 (fm+0x10c9a5d)
    #26 decltype(*(std::__1::forward<std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>(fp0)).*fp()) std::__1::__invoke<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3480:1 (fm+0x10cb2de)
    #27 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, 2ul>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>&, std::__1::__tuple_indices<2ul>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:273:5 (fm+0x10cb2de)
    #28 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*> >(void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:284:5 (fm+0x10cb2de)

  Previous write of size 4 at 0x00000301bafc by thread T3:
    [failed to restore the stack]

  Location is global 'DashCircle2GM::onDraw(SkCanvas*)::kMatrices' of size 280 at 0x00000301ba10 (fm+0x00000301bafc)

  Thread T4 (tid=26392, running) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

  Thread T3 (tid=26390, finished) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

SUMMARY: ThreadSanitizer: data race /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 in SkMatrix::getType() const
==================
==================
WARNING: ThreadSanitizer: data race (pid=26237)
  Read of size 4 at 0x00000301bb24 by thread T4:
    #0 SkMatrix::getType() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 (fm+0x18d1022)
    #1 SkMatrix::mapRect(SkRect*, SkRect const&, SkApplyPerspectiveClip) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/src/core/SkMatrix.cpp:1152:15 (fm+0x18d1022)
    #2 DashCircle2GM::onDraw(SkCanvas*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/dashcircle.cpp:198:15 (fm+0x1141642)
    #3 skiagm::GM::onDraw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:133:11 (fm+0x117bcd9)
    #4 skiagm::GM::drawContent(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:119:35 (fm+0x117bc2a)
    #5 skiagm::GM::draw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:112:18 (fm+0x117b8c1)
    #6 init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:149:21 (fm+0x10c6125)
    #7 decltype(std::__1::forward<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c6125)
    #8 Result std::__1::__invoke_void_return_wrapper<Result>::__call<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10c6125)
    #9 std::__1::__function::__alloc_func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10c6125)
    #10 std::__1::__function::__func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10c6125)
    #11 std::__1::__function::__value_func<Result (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10cb1e2)
    #12 std::__1::function<Result (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10cb1e2)
    #13 main::$_1::operator()() const::'lambda'(SkCanvas*)::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:564:29 (fm+0x10cb1e2)
    #14 decltype(std::__1::forward<main::$_1::operator()() const::'lambda'(SkCanvas*)&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10cb1e2)
    #15 bool std::__1::__invoke_void_return_wrapper<bool>::__call<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10cb1e2)
    #16 std::__1::__function::__alloc_func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10cb1e2)
    #17 std::__1::__function::__func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10cb1e2)
    #18 std::__1::__function::__value_func<bool (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10c9c8c)
    #19 std::__1::function<bool (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10c9c8c)
    #20 draw_with_cpu(std::__1::function<bool (SkCanvas*)>, SkImageInfo) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:252:13 (fm+0x10c9c8c)
    #21 main::$_1::operator()() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:583:25 (fm+0x10c9c8c)
    #22 decltype(std::__1::forward<main::$_1>(fp)()) std::__1::__invoke<main::$_1>(main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c9c8c)
    #23 void std::__1::__async_func<main::$_1>::__execute<>(std::__1::__tuple_indices<>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2320:16 (fm+0x10c9c8c)
    #24 std::__1::__async_func<main::$_1>::operator()() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2313:16 (fm+0x10c9c8c)
    #25 std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::__execute() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:1036:9 (fm+0x10c9a5d)
    #26 decltype(*(std::__1::forward<std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>(fp0)).*fp()) std::__1::__invoke<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3480:1 (fm+0x10cb2de)
    #27 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, 2ul>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>&, std::__1::__tuple_indices<2ul>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:273:5 (fm+0x10cb2de)
    #28 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*> >(void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:284:5 (fm+0x10cb2de)

  Previous write of size 4 at 0x00000301bb24 by thread T3:
    [failed to restore the stack]

  Location is global 'DashCircle2GM::onDraw(SkCanvas*)::kMatrices' of size 280 at 0x00000301ba10 (fm+0x00000301bb24)

  Thread T4 (tid=26392, running) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

  Thread T3 (tid=26390, finished) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

SUMMARY: ThreadSanitizer: data race /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 in SkMatrix::getType() const
==================
==================
WARNING: ThreadSanitizer: data race (pid=26237)
  Read of size 4 at 0x00000301baac by thread T5:
    #0 SkMatrix::getType() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 (fm+0x18d1022)
    #1 SkMatrix::mapRect(SkRect*, SkRect const&, SkApplyPerspectiveClip) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/src/core/SkMatrix.cpp:1152:15 (fm+0x18d1022)
    #2 DashCircle2GM::onDraw(SkCanvas*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/dashcircle.cpp:198:15 (fm+0x11415dc)
    #3 skiagm::GM::onDraw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:133:11 (fm+0x117bcd9)
    #4 skiagm::GM::drawContent(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:119:35 (fm+0x117bc2a)
    #5 skiagm::GM::draw(SkCanvas*, SkString*) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/gm/gm.cpp:112:18 (fm+0x117b8c1)
    #6 init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:149:21 (fm+0x10c6125)
    #7 decltype(std::__1::forward<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c6125)
    #8 Result std::__1::__invoke_void_return_wrapper<Result>::__call<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*>(init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10c6125)
    #9 std::__1::__function::__alloc_func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10c6125)
    #10 std::__1::__function::__func<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3, std::__1::allocator<init(Source*, std::__1::shared_ptr<skiagm::GM>)::$_3>, Result (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10c6125)
    #11 std::__1::__function::__value_func<Result (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10cb1e2)
    #12 std::__1::function<Result (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10cb1e2)
    #13 main::$_1::operator()() const::'lambda'(SkCanvas*)::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:564:29 (fm+0x10cb1e2)
    #14 decltype(std::__1::forward<main::$_1::operator()() const::'lambda'(SkCanvas*)&>(fp)(std::__1::forward<SkCanvas*>(fp0))) std::__1::__invoke<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10cb1e2)
    #15 bool std::__1::__invoke_void_return_wrapper<bool>::__call<main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*>(main::$_1::operator()() const::'lambda'(SkCanvas*)&, SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__functional_base:317:16 (fm+0x10cb1e2)
    #16 std::__1::__function::__alloc_func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1540:16 (fm+0x10cb1e2)
    #17 std::__1::__function::__func<main::$_1::operator()() const::'lambda'(SkCanvas*), std::__1::allocator<main::$_1::operator()() const::'lambda'(SkCanvas*)>, bool (SkCanvas*)>::operator()(SkCanvas*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1714:12 (fm+0x10cb1e2)
    #18 std::__1::__function::__value_func<bool (SkCanvas*)>::operator()(SkCanvas*&&) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:1867:16 (fm+0x10c9c8c)
    #19 std::__1::function<bool (SkCanvas*)>::operator()(SkCanvas*) const /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/functional:2473:12 (fm+0x10c9c8c)
    #20 draw_with_cpu(std::__1::function<bool (SkCanvas*)>, SkImageInfo) /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:252:13 (fm+0x10c9c8c)
    #21 main::$_1::operator()() const /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:583:25 (fm+0x10c9c8c)
    #22 decltype(std::__1::forward<main::$_1>(fp)()) std::__1::__invoke<main::$_1>(main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3539:1 (fm+0x10c9c8c)
    #23 void std::__1::__async_func<main::$_1>::__execute<>(std::__1::__tuple_indices<>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2320:16 (fm+0x10c9c8c)
    #24 std::__1::__async_func<main::$_1>::operator()() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2313:16 (fm+0x10c9c8c)
    #25 std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::__execute() /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:1036:9 (fm+0x10c9a5d)
    #26 decltype(*(std::__1::forward<std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>(fp0)).*fp()) std::__1::__invoke<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/type_traits:3480:1 (fm+0x10cb2de)
    #27 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, 2ul>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*>&, std::__1::__tuple_indices<2ul>) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:273:5 (fm+0x10cb2de)
    #28 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*> >(void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:284:5 (fm+0x10cb2de)

  Previous write of size 4 at 0x00000301baac by thread T3:
    [failed to restore the stack]

  Location is global 'DashCircle2GM::onDraw(SkCanvas*)::kMatrices' of size 280 at 0x00000301ba10 (fm+0x00000301baac)

  Thread T5 (tid=26394, running) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

  Thread T3 (tid=26390, finished) created by main thread at:
    #0 pthread_create /tmp/tmpZnGzpR/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:962 (fm+0x10496b5)
    #1 std::__1::__libcpp_thread_create(unsigned long*, void* (*)(void*), void*) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/__threading_support:394:10 (fm+0x10c4472)
    #2 std::__1::thread::thread<void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*, void>(void (std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >::*&&)(), std::__1::__async_assoc_state<void, std::__1::__async_func<main::$_1> >*&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/thread:300:16 (fm+0x10c4472)
    #3 std::__1::future<void> std::__1::__make_async_assoc_state<void, std::__1::__async_func<main::$_1> >(std::__1::__async_func<main::$_1>&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2291:5 (fm+0x10c4472)
    #4 std::__1::future<std::__1::__invoke_of<std::__1::decay<main::$_1>::type>::type> std::__1::async<main::$_1>(std::__1::launch, main::$_1&&) /mnt/pd0/s/w/ir/.cipd/pkgs/4/6camieX0q3QIox057PfPQBYISCbaxzoqw72-5wyzM1oC/bin/../include/c++/v1/future:2340:16 (fm+0x10c4472)
    #5 main /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/tools/fm/fm.cpp:554:26 (fm+0x10c4472)

SUMMARY: ThreadSanitizer: data race /mnt/pd0/s/w/ir/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-TSAN/Release/../../../../../../skia/include/core/SkMatrix.h:202:13 in SkMatrix::getType() const
==================
ThreadSanitizer: reported 5 warnings
                                       dashcircle2
                                       dashcircle2
	11e0fe91d34424c0c5acae11460a9b13	   1005ms
                                       dashcircle2
	11e0fe91d34424c0c5acae11460a9b13	    507ms
	11e0fe91d34424c0c5acae11460a9b13	   3231ms