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Remove unnecessary null pointer checks #19
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These are just coding style changes, the original code is fine even if it's not optimal. Changing code for the sake of it can easily introduce bugs so unless there is a specific issue I will not be chasing up these code changes. |
Nika-Keks
pushed a commit
to Nika-Keks/OpenSceneGraph
that referenced
this issue
Sep 28, 2021
/home/elsid/dev/openmw/apps/openmw_test_suite/lua/test_serialization.cpp:166:34: runtime error: reference binding to misaligned address 0x562ea892076c for type 'const struct TestStruct1', which requires 8 byte alignment 0x562ea892076c: note: pointer points here 00 74 73 31 00 00 00 00 00 00 f8 3f 00 00 00 00 00 00 04 40 21 79 4b 08 00 00 00 74 65 73 74 5f ^ #0 0x562ea6462b8e in deserialize /home/elsid/dev/openmw/apps/openmw_test_suite/lua/test_serialization.cpp:166 openscenegraph#1 0x562ea68b7402 in deserializeImpl /home/elsid/dev/openmw/components/lua/serialization.cpp:172 openscenegraph#2 0x562ea68b7bf6 in deserializeImpl /home/elsid/dev/openmw/components/lua/serialization.cpp:204 openscenegraph#3 0x562ea68b86ea in LuaUtil::deserialize(sol::state&, std::basic_string_view<char, std::char_traits<char> >, LuaUtil::UserdataSerializer const*) /home/elsid/dev/openmw/components/lua/serialization.cpp:251 openscenegraph#4 0x562ea6464d96 in TestBody /home/elsid/dev/openmw/apps/openmw_test_suite/lua/test_serialization.cpp:197 openscenegraph#5 0x562ea6d9dac6 in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/elsid/dev/googletest/googletest/src/gtest.cc:2607 openscenegraph#6 0x562ea6d9dac6 in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/elsid/dev/googletest/googletest/src/gtest.cc:2643 openscenegraph#7 0x562ea6d92e25 in testing::Test::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2682 openscenegraph#8 0x562ea6d92e25 in testing::Test::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2672 openscenegraph#9 0x562ea6d93024 in testing::TestInfo::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2861 openscenegraph#10 0x562ea6d93728 in testing::TestInfo::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2834 openscenegraph#11 0x562ea6d93728 in testing::TestSuite::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:3015 openscenegraph#12 0x562ea6d94142 in testing::TestSuite::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2994 openscenegraph#13 0x562ea6d94142 in testing::internal::UnitTestImpl::RunAllTests() /home/elsid/dev/googletest/googletest/src/gtest.cc:5855 openscenegraph#14 0x562ea6d9e096 in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/elsid/dev/googletest/googletest/src/gtest.cc:2607 openscenegraph#15 0x562ea6d9e096 in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/elsid/dev/googletest/googletest/src/gtest.cc:2643 openscenegraph#16 0x562ea6d93140 in testing::UnitTest::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:5438 openscenegraph#17 0x562ea5d3fdc6 in RUN_ALL_TESTS() /home/elsid/dev/googletest/build/gcc/release/install/include/gtest/gtest.h:2490 openscenegraph#18 0x562ea5d3fc6f in main /home/elsid/dev/openmw/apps/openmw_test_suite/openmw_test_suite.cpp:11 openscenegraph#19 0x7fe3938d0b24 in __libc_start_main (/usr/lib/libc.so.6+0x27b24) openscenegraph#20 0x562ea5d3fb7d in _start (/home/elsid/dev/openmw/build/gcc/ubsan/openmw_test_suite+0x173eb7d) /home/elsid/dev/openmw/apps/openmw_test_suite/lua/test_serialization.cpp:176:34: runtime error: reference binding to misaligned address 0x562ea892078f for type 'const struct TestStruct2', which requires 4 byte alignment 0x562ea892078f: note: pointer points here 75 63 74 32 04 00 00 00 03 00 00 00 04 00 6e 64 69 74 69 6f 6e 73 00 73 68 61 70 65 00 51 00 00 ^ #0 0x562ea6462df9 in deserialize /home/elsid/dev/openmw/apps/openmw_test_suite/lua/test_serialization.cpp:176 openscenegraph#1 0x562ea68b7402 in deserializeImpl /home/elsid/dev/openmw/components/lua/serialization.cpp:172 openscenegraph#2 0x562ea68b7bf6 in deserializeImpl /home/elsid/dev/openmw/components/lua/serialization.cpp:204 openscenegraph#3 0x562ea68b86ea in LuaUtil::deserialize(sol::state&, std::basic_string_view<char, std::char_traits<char> >, LuaUtil::UserdataSerializer const*) /home/elsid/dev/openmw/components/lua/serialization.cpp:251 openscenegraph#4 0x562ea6464d96 in TestBody /home/elsid/dev/openmw/apps/openmw_test_suite/lua/test_serialization.cpp:197 openscenegraph#5 0x562ea6d9dac6 in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/elsid/dev/googletest/googletest/src/gtest.cc:2607 openscenegraph#6 0x562ea6d9dac6 in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/elsid/dev/googletest/googletest/src/gtest.cc:2643 openscenegraph#7 0x562ea6d92e25 in testing::Test::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2682 openscenegraph#8 0x562ea6d92e25 in testing::Test::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2672 openscenegraph#9 0x562ea6d93024 in testing::TestInfo::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2861 openscenegraph#10 0x562ea6d93728 in testing::TestInfo::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2834 openscenegraph#11 0x562ea6d93728 in testing::TestSuite::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:3015 openscenegraph#12 0x562ea6d94142 in testing::TestSuite::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:2994 openscenegraph#13 0x562ea6d94142 in testing::internal::UnitTestImpl::RunAllTests() /home/elsid/dev/googletest/googletest/src/gtest.cc:5855 openscenegraph#14 0x562ea6d9e096 in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/elsid/dev/googletest/googletest/src/gtest.cc:2607 openscenegraph#15 0x562ea6d9e096 in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/elsid/dev/googletest/googletest/src/gtest.cc:2643 openscenegraph#16 0x562ea6d93140 in testing::UnitTest::Run() /home/elsid/dev/googletest/googletest/src/gtest.cc:5438 openscenegraph#17 0x562ea5d3fdc6 in RUN_ALL_TESTS() /home/elsid/dev/googletest/build/gcc/release/install/include/gtest/gtest.h:2490 openscenegraph#18 0x562ea5d3fc6f in main /home/elsid/dev/openmw/apps/openmw_test_suite/openmw_test_suite.cpp:11 openscenegraph#19 0x7fe3938d0b24 in __libc_start_main (/usr/lib/libc.so.6+0x27b24) openscenegraph#20 0x562ea5d3fb7d in _start (/home/elsid/dev/openmw/build/gcc/ubsan/openmw_test_suite+0x173eb7d)
Nika-Keks
pushed a commit
to Nika-Keks/OpenSceneGraph
that referenced
this issue
Jun 15, 2022
To fix ASAN warning: =11799==ERROR: AddressSanitizer: heap-use-after-free on address 0x60c000436058 at pc 0x55c90acccaa8 bp 0x7f787eeac830 sp 0x7f787eeac820 READ of size 8 at 0x60c000436058 thread T18 #0 0x55c90acccaa7 in std::operator==(std::_Deque_iterator<std::_List_iterator<DetourNavigator::Job>, std::_List_iterator<DetourNavigator::Job>&, std::_List_iterator<DetourNavigator::Job>*> const&, std::_Deque_iterator<std::_List_iterator<DetourNavigator::Job>, std::_List_iterator<DetourNavigator::Job>&, std::_List_iterator<DetourNavigator::Job>*> const&) /usr/include/c++/11.1.0/bits/stl_deque.h:269 openscenegraph#1 0x55c90acccaa7 in std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > >::empty() const /usr/include/c++/11.1.0/bits/stl_deque.h:1311 openscenegraph#2 0x55c90acccaa7 in operator() /home/elsid/dev/openmw/components/detournavigator/asyncnavmeshupdater.cpp:350 openscenegraph#3 0x55c90acccaa7 in wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, DetourNavigator::AsyncNavMeshUpdater::getNextJob()::<lambda()> > /usr/include/c++/11.1.0/condition_variable:151 openscenegraph#4 0x55c90acccaa7 in wait_for<long int, std::ratio<1, 1000>, DetourNavigator::AsyncNavMeshUpdater::getNextJob()::<lambda()> > /usr/include/c++/11.1.0/condition_variable:175 openscenegraph#5 0x55c90acccaa7 in DetourNavigator::AsyncNavMeshUpdater::getNextJob() /home/elsid/dev/openmw/components/detournavigator/asyncnavmeshupdater.cpp:353 openscenegraph#6 0x55c90accdb2d in DetourNavigator::AsyncNavMeshUpdater::process() /home/elsid/dev/openmw/components/detournavigator/asyncnavmeshupdater.cpp:257 openscenegraph#7 0x55c90acce464 in operator() /home/elsid/dev/openmw/components/detournavigator/asyncnavmeshupdater.cpp:98 openscenegraph#8 0x55c90acce464 in __invoke_impl<void, DetourNavigator::AsyncNavMeshUpdater::AsyncNavMeshUpdater(const DetourNavigator::Settings&, DetourNavigator::TileCachedRecastMeshManager&, DetourNavigator::OffMeshConnectionsManager&)::<lambda()> > /usr/include/c++/11.1.0/bits/invoke.h:61 openscenegraph#9 0x55c90acce464 in __invoke<DetourNavigator::AsyncNavMeshUpdater::AsyncNavMeshUpdater(const DetourNavigator::Settings&, DetourNavigator::TileCachedRecastMeshManager&, DetourNavigator::OffMeshConnectionsManager&)::<lambda()> > /usr/include/c++/11.1.0/bits/invoke.h:96 openscenegraph#10 0x55c90acce464 in _M_invoke<0> /usr/include/c++/11.1.0/bits/std_thread.h:253 openscenegraph#11 0x55c90acce464 in operator() /usr/include/c++/11.1.0/bits/std_thread.h:260 openscenegraph#12 0x55c90acce464 in _M_run /usr/include/c++/11.1.0/bits/std_thread.h:211 openscenegraph#13 0x7f78c38fd3c3 in execute_native_thread_routine /build/gcc/src/gcc/libstdc++-v3/src/c++11/thread.cc:82 openscenegraph#14 0x7f78c36b1258 in start_thread (/usr/lib/libpthread.so.0+0x9258) openscenegraph#15 0x7f78c35da5e2 in __GI___clone (/usr/lib/libc.so.6+0xfe5e2) 0x60c000436058 is located 88 bytes inside of 120-byte region [0x60c000436000,0x60c000436078) freed by thread T0 here: #0 0x7f78c688cd69 in operator delete(void*, unsigned long) /build/gcc/src/gcc/libsanitizer/asan/asan_new_delete.cpp:172 openscenegraph#1 0x55c90acdbe20 in __gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::deallocate(std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >*, unsigned long) /usr/include/c++/11.1.0/ext/new_allocator.h:139 openscenegraph#2 0x55c90acdbe20 in std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > > >::deallocate(std::allocator<std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >&, std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >*, unsigned long) /usr/include/c++/11.1.0/bits/alloc_traits.h:492 openscenegraph#3 0x55c90acdbe20 in std::_Rb_tree<std::thread::id, std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > >, std::_Select1st<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >, std::less<std::thread::id>, std::allocator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::_M_put_node(std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:565 openscenegraph#4 0x55c90acdbe20 in std::_Rb_tree<std::thread::id, std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > >, std::_Select1st<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >, std::less<std::thread::id>, std::allocator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::_M_drop_node(std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:632 openscenegraph#5 0x55c90acdbe20 in std::_Rb_tree<std::thread::id, std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > >, std::_Select1st<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >, std::less<std::thread::id>, std::allocator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::_M_erase(std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:1889 openscenegraph#6 0x55c90acc0569 in std::_Rb_tree<std::thread::id, std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > >, std::_Select1st<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >, std::less<std::thread::id>, std::allocator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::clear() /usr/include/c++/11.1.0/bits/stl_tree.h:1254 openscenegraph#7 0x55c90acc0569 in std::map<std::thread::id, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > >, std::less<std::thread::id>, std::allocator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::clear() /usr/include/c++/11.1.0/bits/stl_map.h:1134 openscenegraph#8 0x55c90acc0569 in DetourNavigator::AsyncNavMeshUpdater::~AsyncNavMeshUpdater() /home/elsid/dev/openmw/components/detournavigator/asyncnavmeshupdater.cpp:105 openscenegraph#9 0x55c90acab2dc in DetourNavigator::NavigatorImpl::~NavigatorImpl() (/home/elsid/dev/openmw/build/gcc/asan/openmw+0x2d152dc) openscenegraph#10 0x55c9097db4b5 in std::default_delete<DetourNavigator::Navigator>::operator()(DetourNavigator::Navigator*) const /usr/include/c++/11.1.0/bits/unique_ptr.h:85 openscenegraph#11 0x55c9097db4b5 in std::unique_ptr<DetourNavigator::Navigator, std::default_delete<DetourNavigator::Navigator> >::~unique_ptr() /usr/include/c++/11.1.0/bits/unique_ptr.h:361 openscenegraph#12 0x55c9097db4b5 in MWWorld::World::~World() /home/elsid/dev/openmw/apps/openmw/mwworld/worldimp.cpp:534 openscenegraph#13 0x55c9097dc3a4 in MWWorld::World::~World() /home/elsid/dev/openmw/apps/openmw/mwworld/worldimp.cpp:534 openscenegraph#14 0x55c90a1925e4 in MWBase::Environment::cleanup() /home/elsid/dev/openmw/apps/openmw/mwbase/environment.cpp:192 openscenegraph#15 0x55c90a1f544d in OMW::Engine::~Engine() /home/elsid/dev/openmw/apps/openmw/engine.cpp:434 openscenegraph#16 0x55c90a1f6700 in OMW::Engine::~Engine() /home/elsid/dev/openmw/apps/openmw/engine.cpp:455 openscenegraph#17 0x55c90a19d523 in std::default_delete<OMW::Engine>::operator()(OMW::Engine*) const /usr/include/c++/11.1.0/bits/unique_ptr.h:85 openscenegraph#18 0x55c90a19d523 in std::unique_ptr<OMW::Engine, std::default_delete<OMW::Engine> >::~unique_ptr() /usr/include/c++/11.1.0/bits/unique_ptr.h:361 openscenegraph#19 0x55c90a19d523 in runApplication(int, char**) /home/elsid/dev/openmw/apps/openmw/main.cpp:320 openscenegraph#20 0x55c90a955634 in wrapApplication(int (*)(int, char**), int, char**, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /home/elsid/dev/openmw/components/debug/debugging.cpp:205 openscenegraph#21 0x55c90a193be0 in main /home/elsid/dev/openmw/apps/openmw/main.cpp:328 openscenegraph#22 0x7f78c3503b24 in __libc_start_main (/usr/lib/libc.so.6+0x27b24) previously allocated by thread T18 here: #0 0x7f78c688bca1 in operator new(unsigned long) /build/gcc/src/gcc/libsanitizer/asan/asan_new_delete.cpp:99 openscenegraph#1 0x55c90ace8c73 in __gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::allocate(unsigned long, void const*) /usr/include/c++/11.1.0/ext/new_allocator.h:121 openscenegraph#2 0x55c90ace8c73 in std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > > >::allocate(std::allocator<std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >&, unsigned long) /usr/include/c++/11.1.0/bits/alloc_traits.h:460 openscenegraph#3 0x55c90ace8c73 in std::_Rb_tree<std::thread::id, std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > >, std::_Select1st<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >, std::less<std::thread::id>, std::allocator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::_M_get_node() /usr/include/c++/11.1.0/bits/stl_tree.h:561 openscenegraph#4 0x55c90ace8c73 in std::_Rb_tree_node<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >* std::_Rb_tree<std::thread::id, std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > >, std::_Select1st<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >, std::less<std::thread::id>, std::allocator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::_M_create_node<std::piecewise_construct_t const&, std::tuple<std::thread::id const&>, std::tuple<> >(std::piecewise_construct_t const&, std::tuple<std::thread::id const&>&&, std::tuple<>&&) /usr/include/c++/11.1.0/bits/stl_tree.h:611 openscenegraph#5 0x55c90ace8c73 in std::_Rb_tree_iterator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > std::_Rb_tree<std::thread::id, std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > >, std::_Select1st<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >, std::less<std::thread::id>, std::allocator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::_M_emplace_hint_unique<std::piecewise_construct_t const&, std::tuple<std::thread::id const&>, std::tuple<> >(std::_Rb_tree_const_iterator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > >, std::piecewise_construct_t const&, std::tuple<std::thread::id const&>&&, std::tuple<>&&) /usr/include/c++/11.1.0/bits/stl_tree.h:2429 openscenegraph#6 0x55c90accc5fb in std::map<std::thread::id, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > >, std::less<std::thread::id>, std::allocator<std::pair<std::thread::id const, std::deque<std::_List_iterator<DetourNavigator::Job>, std::allocator<std::_List_iterator<DetourNavigator::Job> > > > > >::operator[](std::thread::id const&) /usr/include/c++/11.1.0/bits/stl_map.h:501 openscenegraph#7 0x55c90accc5fb in DetourNavigator::AsyncNavMeshUpdater::getNextJob() /home/elsid/dev/openmw/components/detournavigator/asyncnavmeshupdater.cpp:344 openscenegraph#8 0x55c90accdb2d in DetourNavigator::AsyncNavMeshUpdater::process() /home/elsid/dev/openmw/components/detournavigator/asyncnavmeshupdater.cpp:257 openscenegraph#9 0x55c90acce464 in operator() /home/elsid/dev/openmw/components/detournavigator/asyncnavmeshupdater.cpp:98 openscenegraph#10 0x55c90acce464 in __invoke_impl<void, DetourNavigator::AsyncNavMeshUpdater::AsyncNavMeshUpdater(const DetourNavigator::Settings&, DetourNavigator::TileCachedRecastMeshManager&, DetourNavigator::OffMeshConnectionsManager&)::<lambda()> > /usr/include/c++/11.1.0/bits/invoke.h:61 openscenegraph#11 0x55c90acce464 in __invoke<DetourNavigator::AsyncNavMeshUpdater::AsyncNavMeshUpdater(const DetourNavigator::Settings&, DetourNavigator::TileCachedRecastMeshManager&, DetourNavigator::OffMeshConnectionsManager&)::<lambda()> > /usr/include/c++/11.1.0/bits/invoke.h:96 openscenegraph#12 0x55c90acce464 in _M_invoke<0> /usr/include/c++/11.1.0/bits/std_thread.h:253 openscenegraph#13 0x55c90acce464 in operator() /usr/include/c++/11.1.0/bits/std_thread.h:260 openscenegraph#14 0x55c90acce464 in _M_run /usr/include/c++/11.1.0/bits/std_thread.h:211 openscenegraph#15 0x7f78c38fd3c3 in execute_native_thread_routine /build/gcc/src/gcc/libstdc++-v3/src/c++11/thread.cc:82 Thread T18 created by T0 here: #0 0x7f78c682bfa7 in __interceptor_pthread_create /build/gcc/src/gcc/libsanitizer/asan/asan_interceptors.cpp:216 openscenegraph#1 0x7f78c38fd6aa in std::thread::_M_start_thread(std::unique_ptr<std::thread::_State, std::default_delete<std::thread::_State> >, void (*)()) /build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:663 openscenegraph#2 0x55c90ae008d1 in DetourNavigator::NavMeshManager::NavMeshManager(DetourNavigator::Settings const&) /home/elsid/dev/openmw/components/detournavigator/navmeshmanager.cpp:47 openscenegraph#3 0x55c90aca3bfe in DetourNavigator::NavigatorImpl::NavigatorImpl(DetourNavigator::Settings const&) /home/elsid/dev/openmw/components/detournavigator/navigatorimpl.cpp:13 openscenegraph#4 0x55c9097d9e6f in MWWorld::World::World(osgViewer::Viewer*, osg::ref_ptr<osg::Group>, Resource::ResourceSystem*, SceneUtil::WorkQueue*, Files::Collections const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, ToUTF8::Utf8Encoder*, int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /home/elsid/dev/openmw/apps/openmw/mwworld/worldimp.cpp:196 openscenegraph#5 0x55c90a1e9992 in OMW::Engine::prepareEngine(Settings::Manager&) /home/elsid/dev/openmw/apps/openmw/engine.cpp:789 openscenegraph#6 0x55c90a1ed138 in OMW::Engine::go() /home/elsid/dev/openmw/apps/openmw/engine.cpp:949 openscenegraph#7 0x55c90a19d4cb in runApplication(int, char**) /home/elsid/dev/openmw/apps/openmw/main.cpp:316 openscenegraph#8 0x55c90a955634 in wrapApplication(int (*)(int, char**), int, char**, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /home/elsid/dev/openmw/components/debug/debugging.cpp:205 openscenegraph#9 0x55c90a193be0 in main /home/elsid/dev/openmw/apps/openmw/main.cpp:328 openscenegraph#10 0x7f78c3503b24 in __libc_start_main (/usr/lib/libc.so.6+0x27b24) SUMMARY: AddressSanitizer: heap-use-after-free /usr/include/c++/11.1.0/bits/stl_deque.h:269 in std::operator==(std::_Deque_iterator<std::_List_iterator<DetourNavigator::Job>, std::_List_iterator<DetourNavigator::Job>&, std::_List_iterator<DetourNavigator::Job>*> const&, std::_Deque_iterator<std::_List_iterator<DetourNavigator::Job>, std::_List_iterator<DetourNavigator::Job>&, std::_List_iterator<DetourNavigator::Job>*> const&) Shadow bytes around the buggy address: 0x0c188007ebb0: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd 0x0c188007ebc0: fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa 0x0c188007ebd0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c188007ebe0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 0x0c188007ebf0: 00 00 00 00 00 00 07 fa fa fa fa fa fa fa fa fa =>0x0c188007ec00: fd fd fd fd fd fd fd fd fd fd fd[fd]fd fd fd fa 0x0c188007ec10: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 0x0c188007ec20: 00 00 00 00 00 00 02 fa fa fa fa fa fa fa fa fa 0x0c188007ec30: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c188007ec40: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 0x0c188007ec50: 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb Shadow gap: cc ==11799==ABORTING
Nika-Keks
pushed a commit
to Nika-Keks/OpenSceneGraph
that referenced
this issue
Jun 15, 2022
To prevent crash: ==7733==ERROR: AddressSanitizer: heap-use-after-free on address 0x6040000ca1b0 at pc 0x55fcfa8d1ee3 bp 0x7ffd1c464e00 sp 0x7ffd1c464df0 READ of size 4 at 0x6040000ca1b0 thread T0 #0 0x55fcfa8d1ee2 in std::less<unsigned int>::operator()(unsigned int const&, unsigned int const&) const /usr/include/c++/11.1.0/bits/stl_function.h:386 openscenegraph#1 0x55fcfa8d1ee2 in std::_Rb_tree<unsigned int, std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> >, std::_Select1st<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::_M_lower_bound(std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >*, std::_Rb_tree_node_base*, unsigned int const&) /usr/include/c++/11.1.0/bits/stl_tree.h:1903 openscenegraph#2 0x55fcfa8ca76e in std::_Rb_tree<unsigned int, std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> >, std::_Select1st<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::lower_bound(unsigned int const&) /usr/include/c++/11.1.0/bits/stl_tree.h:1270 openscenegraph#3 0x55fcfa8ca76e in std::map<unsigned int, osg::ref_ptr<osg::ContextData>, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::lower_bound(unsigned int const&) /usr/include/c++/11.1.0/bits/stl_map.h:1259 openscenegraph#4 0x55fcfa8ca76e in std::map<unsigned int, osg::ref_ptr<osg::ContextData>, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::operator[](unsigned int const&) /usr/include/c++/11.1.0/bits/stl_map.h:497 openscenegraph#5 0x55fcfa8ca76e in osg::getOrCreateContextData(unsigned int) /home/elsid/dev/OpenSceneGraph/src/osg/ContextData.cpp:142 openscenegraph#6 0x55fcfab6848a in GLShaderManager* osg::get<GLShaderManager>(unsigned int) /home/elsid/dev/OpenSceneGraph/include/osg/ContextData:154 openscenegraph#7 0x55fcfab6848a in osg::Shader::PerContextShader::~PerContextShader() /home/elsid/dev/OpenSceneGraph/src/osg/Shader.cpp:540 openscenegraph#8 0x55fcfab68dc6 in osg::Shader::PerContextShader::~PerContextShader() /home/elsid/dev/OpenSceneGraph/src/osg/Shader.cpp:541 openscenegraph#9 0x55fcfab4a3f3 in osg::Referenced::signalObserversAndDelete(bool, bool) const /home/elsid/dev/OpenSceneGraph/src/osg/Referenced.cpp:292 openscenegraph#10 0x55fcfab6d0ce in osg::Referenced::unref() const /home/elsid/dev/OpenSceneGraph/include/osg/Referenced:201 openscenegraph#11 0x55fcfab6d0ce in osg::ref_ptr<osg::Shader::PerContextShader>::~ref_ptr() /home/elsid/dev/OpenSceneGraph/include/osg/ref_ptr:44 openscenegraph#12 0x55fcfab6d0ce in void std::_Destroy<osg::ref_ptr<osg::Shader::PerContextShader> >(osg::ref_ptr<osg::Shader::PerContextShader>*) /usr/include/c++/11.1.0/bits/stl_construct.h:140 openscenegraph#13 0x55fcfab6d0ce in void std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Shader::PerContextShader>*>(osg::ref_ptr<osg::Shader::PerContextShader>*, osg::ref_ptr<osg::Shader::PerContextShader>*) /usr/include/c++/11.1.0/bits/stl_construct.h:152 openscenegraph#14 0x55fcfab6d0ce in void std::_Destroy<osg::ref_ptr<osg::Shader::PerContextShader>*>(osg::ref_ptr<osg::Shader::PerContextShader>*, osg::ref_ptr<osg::Shader::PerContextShader>*) /usr/include/c++/11.1.0/bits/stl_construct.h:185 openscenegraph#15 0x55fcfab6d0ce in void std::_Destroy<osg::ref_ptr<osg::Shader::PerContextShader>*, osg::ref_ptr<osg::Shader::PerContextShader> >(osg::ref_ptr<osg::Shader::PerContextShader>*, osg::ref_ptr<osg::Shader::PerContextShader>*, std::allocator<osg::ref_ptr<osg::Shader::PerContextShader> >&) /usr/include/c++/11.1.0/bits/alloc_traits.h:746 openscenegraph#16 0x55fcfab6d0ce in std::vector<osg::ref_ptr<osg::Shader::PerContextShader>, std::allocator<osg::ref_ptr<osg::Shader::PerContextShader> > >::~vector() /usr/include/c++/11.1.0/bits/stl_vector.h:680 openscenegraph#17 0x55fcfab6d0ce in osg::Shader::ShaderObjects::~ShaderObjects() /home/elsid/dev/OpenSceneGraph/include/osg/Shader:264 openscenegraph#18 0x55fcfab6d0ce in osg::Shader::ShaderObjects::~ShaderObjects() /home/elsid/dev/OpenSceneGraph/include/osg/Shader:264 openscenegraph#19 0x55fcfab4a3f3 in osg::Referenced::signalObserversAndDelete(bool, bool) const /home/elsid/dev/OpenSceneGraph/src/osg/Referenced.cpp:292 openscenegraph#20 0x55fcfab6c532 in osg::Referenced::unref() const /home/elsid/dev/OpenSceneGraph/include/osg/Referenced:201 openscenegraph#21 0x55fcfab6c532 in osg::ref_ptr<osg::Shader::ShaderObjects>::~ref_ptr() /home/elsid/dev/OpenSceneGraph/include/osg/ref_ptr:44 openscenegraph#22 0x55fcfab6c532 in void std::_Destroy<osg::ref_ptr<osg::Shader::ShaderObjects> >(osg::ref_ptr<osg::Shader::ShaderObjects>*) /usr/include/c++/11.1.0/bits/stl_construct.h:140 openscenegraph#23 0x55fcfab6c532 in void std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Shader::ShaderObjects>*>(osg::ref_ptr<osg::Shader::ShaderObjects>*, osg::ref_ptr<osg::Shader::ShaderObjects>*) /usr/include/c++/11.1.0/bits/stl_construct.h:152 openscenegraph#24 0x55fcfab6c532 in void std::_Destroy<osg::ref_ptr<osg::Shader::ShaderObjects>*>(osg::ref_ptr<osg::Shader::ShaderObjects>*, osg::ref_ptr<osg::Shader::ShaderObjects>*) /usr/include/c++/11.1.0/bits/stl_construct.h:185 openscenegraph#25 0x55fcfab6c532 in void std::_Destroy<osg::ref_ptr<osg::Shader::ShaderObjects>*, osg::ref_ptr<osg::Shader::ShaderObjects> >(osg::ref_ptr<osg::Shader::ShaderObjects>*, osg::ref_ptr<osg::Shader::ShaderObjects>*, std::allocator<osg::ref_ptr<osg::Shader::ShaderObjects> >&) /usr/include/c++/11.1.0/bits/alloc_traits.h:746 openscenegraph#26 0x55fcfab6c532 in std::vector<osg::ref_ptr<osg::Shader::ShaderObjects>, std::allocator<osg::ref_ptr<osg::Shader::ShaderObjects> > >::~vector() /usr/include/c++/11.1.0/bits/stl_vector.h:680 openscenegraph#27 0x55fcfab6c532 in osg::buffered_value<osg::ref_ptr<osg::Shader::ShaderObjects> >::~buffered_value() /home/elsid/dev/OpenSceneGraph/include/osg/buffered_value:26 openscenegraph#28 0x55fcfab6c532 in osg::Shader::~Shader() /home/elsid/dev/OpenSceneGraph/src/osg/Shader.cpp:271 openscenegraph#29 0x55fcfab6c80a in osg::Shader::~Shader() /home/elsid/dev/OpenSceneGraph/src/osg/Shader.cpp:271 openscenegraph#30 0x55fcfab4a3f3 in osg::Referenced::signalObserversAndDelete(bool, bool) const /home/elsid/dev/OpenSceneGraph/src/osg/Referenced.cpp:292 openscenegraph#31 0x55fcfab185bd in osg::Referenced::unref() const /home/elsid/dev/OpenSceneGraph/include/osg/Referenced:201 openscenegraph#32 0x55fcfab185bd in osg::ref_ptr<osg::Shader>::~ref_ptr() /home/elsid/dev/OpenSceneGraph/include/osg/ref_ptr:44 openscenegraph#33 0x55fcfab185bd in void std::_Destroy<osg::ref_ptr<osg::Shader> >(osg::ref_ptr<osg::Shader>*) /usr/include/c++/11.1.0/bits/stl_construct.h:140 openscenegraph#34 0x55fcfab185bd in void std::_Destroy_aux<false>::__destroy<osg::ref_ptr<osg::Shader>*>(osg::ref_ptr<osg::Shader>*, osg::ref_ptr<osg::Shader>*) /usr/include/c++/11.1.0/bits/stl_construct.h:152 openscenegraph#35 0x55fcfab185bd in void std::_Destroy<osg::ref_ptr<osg::Shader>*>(osg::ref_ptr<osg::Shader>*, osg::ref_ptr<osg::Shader>*) /usr/include/c++/11.1.0/bits/stl_construct.h:185 openscenegraph#36 0x55fcfab185bd in void std::_Destroy<osg::ref_ptr<osg::Shader>*, osg::ref_ptr<osg::Shader> >(osg::ref_ptr<osg::Shader>*, osg::ref_ptr<osg::Shader>*, std::allocator<osg::ref_ptr<osg::Shader> >&) /usr/include/c++/11.1.0/bits/alloc_traits.h:746 openscenegraph#37 0x55fcfab185bd in std::vector<osg::ref_ptr<osg::Shader>, std::allocator<osg::ref_ptr<osg::Shader> > >::~vector() /usr/include/c++/11.1.0/bits/stl_vector.h:680 openscenegraph#38 0x55fcfab185bd in osg::Program::~Program() /home/elsid/dev/OpenSceneGraph/src/osg/Program.cpp:147 openscenegraph#39 0x55fcfab18ae0 in osg::Program::~Program() /home/elsid/dev/OpenSceneGraph/src/osg/Program.cpp:147 openscenegraph#40 0x55fcfab4a3f3 in osg::Referenced::signalObserversAndDelete(bool, bool) const /home/elsid/dev/OpenSceneGraph/src/osg/Referenced.cpp:292 openscenegraph#41 0x55fcf8582cfa in osg::Referenced::unref() const /home/elsid/dev/OpenSceneGraph/build/gcc/asan/install/include/osg/Referenced:201 openscenegraph#42 0x55fcf8582cfa in osg::ref_ptr<osg::StateAttribute>::~ref_ptr() /home/elsid/dev/OpenSceneGraph/build/gcc/asan/install/include/osg/ref_ptr:44 openscenegraph#43 0x55fcf8582cfa in std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int>::~pair() /usr/include/c++/11.1.0/bits/stl_pair.h:211 openscenegraph#44 0x55fcf8582cfa in std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> >::~pair() /usr/include/c++/11.1.0/bits/stl_pair.h:211 openscenegraph#45 0x55fcf8582cfa in void __gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > > >::destroy<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > >(std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> >*) /usr/include/c++/11.1.0/ext/new_allocator.h:162 openscenegraph#46 0x55fcf8582cfa in void std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > > > >::destroy<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > >(std::allocator<std::_Rb_tree_node<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > > >&, std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> >*) /usr/include/c++/11.1.0/bits/alloc_traits.h:531 openscenegraph#47 0x55fcf8582cfa in std::_Rb_tree<std::pair<osg::StateAttribute::Type, unsigned int>, std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> >, std::_Select1st<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > >, std::less<std::pair<osg::StateAttribute::Type, unsigned int> >, std::allocator<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > > >::_M_destroy_node(std::_Rb_tree_node<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:623 openscenegraph#48 0x55fcf8582cfa in std::_Rb_tree<std::pair<osg::StateAttribute::Type, unsigned int>, std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> >, std::_Select1st<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > >, std::less<std::pair<osg::StateAttribute::Type, unsigned int> >, std::allocator<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > > >::_M_drop_node(std::_Rb_tree_node<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:631 openscenegraph#49 0x55fcf8582cfa in std::_Rb_tree<std::pair<osg::StateAttribute::Type, unsigned int>, std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> >, std::_Select1st<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > >, std::less<std::pair<osg::StateAttribute::Type, unsigned int> >, std::allocator<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > > >::_M_erase(std::_Rb_tree_node<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:1889 openscenegraph#50 0x55fcfac1f281 in std::_Rb_tree<std::pair<osg::StateAttribute::Type, unsigned int>, std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> >, std::_Select1st<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > >, std::less<std::pair<osg::StateAttribute::Type, unsigned int> >, std::allocator<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > > >::clear() /usr/include/c++/11.1.0/bits/stl_tree.h:1254 openscenegraph#51 0x55fcfac1f281 in std::map<std::pair<osg::StateAttribute::Type, unsigned int>, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int>, std::less<std::pair<osg::StateAttribute::Type, unsigned int> >, std::allocator<std::pair<std::pair<osg::StateAttribute::Type, unsigned int> const, std::pair<osg::ref_ptr<osg::StateAttribute>, unsigned int> > > >::clear() /usr/include/c++/11.1.0/bits/stl_map.h:1134 openscenegraph#52 0x55fcfac1f281 in osg::StateSet::clear() /home/elsid/dev/OpenSceneGraph/src/osg/StateSet.cpp:738 openscenegraph#53 0x55fcfac2079e in osg::StateSet::~StateSet() /home/elsid/dev/OpenSceneGraph/src/osg/StateSet.cpp:285 openscenegraph#54 0x55fcfac20d3e in osg::StateSet::~StateSet() /home/elsid/dev/OpenSceneGraph/src/osg/StateSet.cpp:286 openscenegraph#55 0x55fcfab4a3f3 in osg::Referenced::signalObserversAndDelete(bool, bool) const /home/elsid/dev/OpenSceneGraph/src/osg/Referenced.cpp:292 openscenegraph#56 0x55fcfb20dcac in osg::Referenced::unref() const /home/elsid/dev/OpenSceneGraph/build/gcc/asan/install/include/osg/Referenced:201 openscenegraph#57 0x55fcfb20dcac in osg::ref_ptr<osg::StateSet>::~ref_ptr() /home/elsid/dev/OpenSceneGraph/build/gcc/asan/install/include/osg/ref_ptr:44 openscenegraph#58 0x55fcfb20dcac in std::array<osg::ref_ptr<osg::StateSet>, 8ul>::~array() /usr/include/c++/11.1.0/array:95 openscenegraph#59 0x55fcfb20dcac in SceneUtil::ShadowsBin::~ShadowsBin() /home/elsid/dev/openmw/components/sceneutil/shadowsbin.hpp:16 openscenegraph#60 0x55fcfb20dcac in SceneUtil::ShadowsBin::~ShadowsBin() /home/elsid/dev/openmw/components/sceneutil/shadowsbin.hpp:16 openscenegraph#61 0x55fcfab4a3f3 in osg::Referenced::signalObserversAndDelete(bool, bool) const /home/elsid/dev/OpenSceneGraph/src/osg/Referenced.cpp:292 openscenegraph#62 0x55fcfa6cc17f in osg::Referenced::unref() const /home/elsid/dev/OpenSceneGraph/include/osg/Referenced:201 openscenegraph#63 0x55fcfa6cc17f in osg::ref_ptr<osgUtil::RenderBin>::~ref_ptr() /home/elsid/dev/OpenSceneGraph/include/osg/ref_ptr:44 openscenegraph#64 0x55fcfa6cc17f in std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> >::~pair() /usr/include/c++/11.1.0/bits/stl_pair.h:211 openscenegraph#65 0x55fcfa6cc17f in void __gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > >::destroy<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >(std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> >*) /usr/include/c++/11.1.0/ext/new_allocator.h:162 openscenegraph#66 0x55fcfa6cc17f in void std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > > >::destroy<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >(std::allocator<std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > >&, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> >*) /usr/include/c++/11.1.0/bits/alloc_traits.h:531 openscenegraph#67 0x55fcfa6cc17f in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > >::_M_destroy_node(std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:623 openscenegraph#68 0x55fcfa6cc17f in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > >::_M_drop_node(std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:631 openscenegraph#69 0x55fcfa6cc17f in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > >::_M_erase(std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:1889 openscenegraph#70 0x55fcfa6cc122 in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > >::_M_erase(std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:1887 openscenegraph#71 0x55fcfa6cc122 in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > >::_M_erase(std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:1887 openscenegraph#72 0x55fcfa6cc245 in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > >::~_Rb_tree() /usr/include/c++/11.1.0/bits/stl_tree.h:984 openscenegraph#73 0x55fcfa6cc245 in std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, osg::ref_ptr<osgUtil::RenderBin>, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, osg::ref_ptr<osgUtil::RenderBin> > > >::~map() /usr/include/c++/11.1.0/bits/stl_map.h:302 openscenegraph#74 0x55fcfa6cc245 in RenderBinPrototypeList::~RenderBinPrototypeList() /home/elsid/dev/OpenSceneGraph/src/osgUtil/RenderBin.cpp:48 openscenegraph#75 0x55fcfa6cc245 in RenderBinPrototypeList::~RenderBinPrototypeList() /home/elsid/dev/OpenSceneGraph/src/osgUtil/RenderBin.cpp:48 openscenegraph#76 0x55fcfab4a3f3 in osg::Referenced::signalObserversAndDelete(bool, bool) const /home/elsid/dev/OpenSceneGraph/src/osg/Referenced.cpp:292 openscenegraph#77 0x55fcfa6cbcc1 in osg::Referenced::unref() const /home/elsid/dev/OpenSceneGraph/include/osg/Referenced:201 openscenegraph#78 0x55fcfa6cbcc1 in osg::ref_ptr<RenderBinPrototypeList>::~ref_ptr() /home/elsid/dev/OpenSceneGraph/include/osg/ref_ptr:44 openscenegraph#79 0x7f3977bd04a6 in __run_exit_handlers (/usr/lib/libc.so.6+0x3f4a6) openscenegraph#80 0x7f3977bd064d in exit (/usr/lib/libc.so.6+0x3f64d) openscenegraph#81 0x7f3977bb8b2b in __libc_start_main (/usr/lib/libc.so.6+0x27b2b) openscenegraph#82 0x55fcf81ea12d in _start (/home/elsid/dev/openmw/build/gcc/asan/openmw+0xa4412d) 0x6040000ca1b0 is located 32 bytes inside of 48-byte region [0x6040000ca190,0x6040000ca1c0) freed by thread T0 here: #0 0x7f397a633d69 in operator delete(void*, unsigned long) /build/gcc/src/gcc/libsanitizer/asan/asan_new_delete.cpp:172 openscenegraph#1 0x55fcfa8d1824 in __gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::deallocate(std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >*, unsigned long) /usr/include/c++/11.1.0/ext/new_allocator.h:139 openscenegraph#2 0x55fcfa8d1824 in std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > > >::deallocate(std::allocator<std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >&, std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >*, unsigned long) /usr/include/c++/11.1.0/bits/alloc_traits.h:492 openscenegraph#3 0x55fcfa8d1824 in std::_Rb_tree<unsigned int, std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> >, std::_Select1st<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::_M_put_node(std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:565 openscenegraph#4 0x55fcfa8d1824 in std::_Rb_tree<unsigned int, std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> >, std::_Select1st<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::_M_drop_node(std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:632 openscenegraph#5 0x55fcfa8d1824 in std::_Rb_tree<unsigned int, std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> >, std::_Select1st<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::_M_erase(std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >*) /usr/include/c++/11.1.0/bits/stl_tree.h:1889 openscenegraph#6 0x55fcfa8d18da in std::_Rb_tree<unsigned int, std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> >, std::_Select1st<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::~_Rb_tree() /usr/include/c++/11.1.0/bits/stl_tree.h:984 openscenegraph#7 0x55fcfa8d18da in std::map<unsigned int, osg::ref_ptr<osg::ContextData>, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::~map() /usr/include/c++/11.1.0/bits/stl_map.h:302 openscenegraph#8 0x7f3977bd04a6 in __run_exit_handlers (/usr/lib/libc.so.6+0x3f4a6) previously allocated by thread T0 here: #0 0x7f397a632ca1 in operator new(unsigned long) /build/gcc/src/gcc/libsanitizer/asan/asan_new_delete.cpp:99 openscenegraph#1 0x55fcfa8d3aa1 in __gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::allocate(unsigned long, void const*) /usr/include/c++/11.1.0/ext/new_allocator.h:121 openscenegraph#2 0x55fcfa8d3aa1 in std::allocator_traits<std::allocator<std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > > >::allocate(std::allocator<std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >&, unsigned long) /usr/include/c++/11.1.0/bits/alloc_traits.h:460 openscenegraph#3 0x55fcfa8d3aa1 in std::_Rb_tree<unsigned int, std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> >, std::_Select1st<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::_M_get_node() /usr/include/c++/11.1.0/bits/stl_tree.h:561 openscenegraph#4 0x55fcfa8d3aa1 in std::_Rb_tree_node<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >* std::_Rb_tree<unsigned int, std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> >, std::_Select1st<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::_M_create_node<std::piecewise_construct_t const&, std::tuple<unsigned int const&>, std::tuple<> >(std::piecewise_construct_t const&, std::tuple<unsigned int const&>&&, std::tuple<>&&) /usr/include/c++/11.1.0/bits/stl_tree.h:611 openscenegraph#5 0x55fcfa8d3aa1 in std::_Rb_tree_iterator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > std::_Rb_tree<unsigned int, std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> >, std::_Select1st<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::_M_emplace_hint_unique<std::piecewise_construct_t const&, std::tuple<unsigned int const&>, std::tuple<> >(std::_Rb_tree_const_iterator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > >, std::piecewise_construct_t const&, std::tuple<unsigned int const&>&&, std::tuple<>&&) /usr/include/c++/11.1.0/bits/stl_tree.h:2429 openscenegraph#6 0x55fcfa8cfd91 in std::map<unsigned int, osg::ref_ptr<osg::ContextData>, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, osg::ref_ptr<osg::ContextData> > > >::operator[](unsigned int const&) /usr/include/c++/11.1.0/bits/stl_map.h:501 openscenegraph#7 0x55fcfa8cfd91 in osg::ContextData::createNewContextID() /home/elsid/dev/OpenSceneGraph/src/osg/ContextData.cpp:171 openscenegraph#8 0x55fcfa9be218 in osg::GraphicsContext::createNewContextID() /home/elsid/dev/OpenSceneGraph/src/osg/GraphicsContext.cpp:320 openscenegraph#9 0x55fcfb68d1ef in SDLUtil::GraphicsWindowSDL2::GraphicsWindowSDL2(osg::GraphicsContext::Traits*) /home/elsid/dev/openmw/components/sdlutil/sdlgraphicswindow.cpp:39 openscenegraph#10 0x55fcfa17f93a in OMW::Engine::createWindow(Settings::Manager&) /home/elsid/dev/openmw/apps/openmw/engine.cpp:611 openscenegraph#11 0x55fcfa18398f in OMW::Engine::prepareEngine(Settings::Manager&) /home/elsid/dev/openmw/apps/openmw/engine.cpp:679 openscenegraph#12 0x55fcfa18c4f2 in OMW::Engine::go() /home/elsid/dev/openmw/apps/openmw/engine.cpp:949 openscenegraph#13 0x55fcfa13c9ff in runApplication(int, char**) /home/elsid/dev/openmw/apps/openmw/main.cpp:316 openscenegraph#14 0x55fcfb49f562 in wrapApplication(int (*)(int, char**), int, char**, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /home/elsid/dev/openmw/components/debug/debugging.cpp:205 openscenegraph#15 0x55fcfa133114 in main /home/elsid/dev/openmw/apps/openmw/main.cpp:328 openscenegraph#16 0x7f3977bb8b24 in __libc_start_main (/usr/lib/libc.so.6+0x27b24) SUMMARY: AddressSanitizer: heap-use-after-free /usr/include/c++/11.1.0/bits/stl_function.h:386 in std::less<unsigned int>::operator()(unsigned int const&, unsigned int const&) const Shadow bytes around the buggy address: 0x0c08800113e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c08800113f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0880011400: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0880011410: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0880011420: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa =>0x0c0880011430: fa fa fd fd fd fd[fd]fd fa fa fa fa fa fa fa fa 0x0c0880011440: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0880011450: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0880011460: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0880011470: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0880011480: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb Shadow gap: cc ==7733==ABORTING
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An extra null pointer check is not needed in functions like the following.
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