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From: "florin.iucha at amd dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/100439] stack overflow running ubsan Date: Fri, 02 Jul 2021 16:18:47 +0000 [thread overview] Message-ID: <bug-100439-4-tTi0suNuOz@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-100439-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439 --- Comment #10 from Florin Iucha <florin.iucha at amd dot com> --- I am able to reproduce something similar by building GCC11 from snapshot 11-20210626 (96358cbbdddde6e6447519a155301b6acb1624c0) and then using Clang12 (12.0.1-rc4) ubsan: #234 0x7f9769d39670 in __cxxabiv1::__si_class_type_info::__do_dyncast(long, __cxxabiv1::__class_type_info::__sub_kind, __cxxabiv1::__[0/48169] e_info const*, void const*, __cxxabiv1::__class_type_info const*, void const*, __cxxabiv1::__class_type_info::__dyncast_result&) const /home/fiuch a/tools/gcc.objdir/x86_64-linux-gnu/libstdc++-v3/libsupc++/../../../../gcc/libstdc++-v3/libsupc++/si_class_type_info.cc:52:13 #235 0x7f9769d379e8 in __dynamic_cast /home/fiucha/tools/gcc.objdir/x86_64-linux-gnu/libstdc++-v3/libsupc++/../../../../gcc/libstdc++-v3/libsu pc++/dyncast.cc:74:28 #236 0x5dd0b6 in __ubsan::checkDynamicType(void*, void*, unsigned long) /home/fiucha/tools/llvm12/compiler-rt/lib/ubsan/ubsan_type_hash_itaniu m.cpp:233:5 #237 0x5dbf11 in HandleDynamicTypeCacheMiss(__ubsan::DynamicTypeCacheMissData*, unsigned long, unsigned long, __ubsan::ReportOptions) /home/fiucha/tools/llvm12/compiler-rt/lib/ubsan/ubsan_handlers_cxx.cpp:36:7 #238 0x5dbee9 in __ubsan_handle_dynamic_type_cache_miss /home/fiucha/tools/llvm12/compiler-rt/lib/ubsan/ubsan_handlers_cxx.cpp:87:3 #239 0x60b931 in std::type_info::operator==(std::type_info const&) const /opt/gcc11-for-tng/lib/gcc/x86_64-linux-gnu/11.1.1/../../../../include/c++/11.1.1/typeinfo:122:16 #240 0x7f9769d39670 in __cxxabiv1::__si_class_type_info::__do_dyncast(long, __cxxabiv1::__class_type_info::__sub_kind, __cxxabiv1::__class_type_info const*, void const*, __cxxabiv1::__class_type_info const*, void const*, __cxxabiv1::__class_type_info::__dyncast_result&) const /home/fiucha/tools/gcc.objdir/x86_64-linux-gnu/libstdc++-v3/libsupc++/../../../../gcc/libstdc++-v3/libsupc++/si_class_type_info.cc:52:13 #241 0x7f9769d379e8 in __dynamic_cast /home/fiucha/tools/gcc.objdir/x86_64-linux-gnu/libstdc++-v3/libsupc++/../../../../gcc/libstdc++-v3/libsu pc++/dyncast.cc:74:28 #242 0x5dd0b6 in __ubsan::checkDynamicType(void*, void*, unsigned long) /home/fiucha/tools/llvm12/compiler-rt/lib/ubsan/ubsan_type_hash_itaniu m.cpp:233:5 #243 0x5dbf11 in HandleDynamicTypeCacheMiss(__ubsan::DynamicTypeCacheMissData*, unsigned long, unsigned long, __ubsan::ReportOptions) /home/fi ucha/tools/llvm12/compiler-rt/lib/ubsan/ubsan_handlers_cxx.cpp:36:7 #244 0x5dbee9 in __ubsan_handle_dynamic_type_cache_miss /home/fiucha/tools/llvm12/compiler-rt/lib/ubsan/ubsan_handlers_cxx.cpp:87:3 #245 0x60b931 in std::type_info::operator==(std::type_info const&) const /opt/gcc11-for-tng/lib/gcc/x86_64-linux-gnu/11.1.1/../../../../includ e/c++/11.1.1/typeinfo:122:16 #246 0x7f9769d39670 in __cxxabiv1::__si_class_type_info::__do_dyncast(long, __cxxabiv1::__class_type_info::__sub_kind, __cxxabiv1::__class_typ e_info const*, void const*, __cxxabiv1::__class_type_info const*, void const*, __cxxabiv1::__class_type_info::__dyncast_result&) const /home/fiuch a/tools/gcc.objdir/x86_64-linux-gnu/libstdc++-v3/libsupc++/../../../../gcc/libstdc++-v3/libsupc++/si_class_type_info.cc:52:13 #247 0x7f9769d379e8 in __dynamic_cast /home/fiucha/tools/gcc.objdir/x86_64-linux-gnu/libstdc++-v3/libsupc++/../../../../gcc/libstdc++-v3/libsu pc++/dyncast.cc:74:28 #248 0x5dd0b6 in __ubsan::checkDynamicType(void*, void*, unsigned long) /home/fiucha/tools/llvm12/compiler-rt/lib/ubsan/ubsan_type_hash_itaniu m.cpp:233:5 #249 0x5dbf11 in HandleDynamicTypeCacheMiss(__ubsan::DynamicTypeCacheMissData*, unsigned long, unsigned long, __ubsan::ReportOptions) /home/fi ucha/tools/llvm12/compiler-rt/lib/ubsan/ubsan_handlers_cxx.cpp:36:7 SUMMARY: AddressSanitizer: stack-overflow /home/fiucha/tools/llvm12/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp:278 in __sanitize r::IsAccessibleMemoryRange(unsigned long, unsigned long) ==2162813==ABORTING This doesn't fail on a simple hello_ub.cpp example - but on a complex module using Google test, again.
next prev parent reply other threads:[~2021-07-02 16:18 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-05 19:17 [Bug sanitizer/100439] New: " florin.iucha at amd dot com 2021-05-06 6:32 ` [Bug sanitizer/100439] " rguenth at gcc dot gnu.org 2021-05-06 11:59 ` florin.iucha at amd dot com 2021-05-06 14:30 ` florin.iucha at amd dot com 2021-05-12 10:10 ` marxin at gcc dot gnu.org 2021-05-13 12:34 ` florin.iucha at amd dot com 2021-05-13 15:29 ` florin.iucha at amd dot com 2021-05-13 15:31 ` florin.iucha at amd dot com 2021-05-14 10:55 ` marxin at gcc dot gnu.org 2021-05-14 10:59 ` florin.iucha at amd dot com 2021-07-02 16:18 ` florin.iucha at amd dot com [this message] 2021-07-02 16:26 ` florin.iucha at amd dot com 2021-07-02 16:35 ` florin.iucha at amd dot com 2021-07-06 13:29 ` florin.iucha at amd dot com 2021-07-06 17:34 ` florin.iucha at amd dot com
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