https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98390
Bug ID: 98390 Summary: AIX: exceptions in threads: IOT/Abort trap(coredump) Product: gcc Version: 10.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgcc Assignee: unassigned at gcc dot gnu.org Reporter: stefan at bytereef dot org Target Milestone: --- The following test case is extracted from a larger program. When repeated often enough, it terminates with: IOT/Abort trap(coredump) Confirmed with g++ (GCC) 7.2.0 and g++ (GCC) 10.2.0 on gcc119.fsffrance.org. test.cc: ======================================================================== #include <stdexcept> #include <thread> #include <vector> class suntime_error : public std::runtime_error { using std::runtime_error::runtime_error; }; static void doit() { try { throw suntime_error("this is an error"); } catch (const suntime_error& err) { (void)err; } } static void do_threads() { const size_t n = 100; std::vector<std::thread> t(n); for (size_t k = 0; k < n; k++) { t[k] = std::thread(doit); } for (size_t k = 0; k < n; k++) { t[k].join(); } } int main() { do_threads(); return 0; } ======================================================================== doit.sh: ======================================================================== #!/bin/sh while ./test; do : done ======================================================================== $ g++ -pthread -Wall -Wextra -std=gnu++11 -pedantic -O0 -g -o test test.cc $ ./doit.sh ./doit.sh[3]: 14484092 IOT/Abort trap(coredump) $ gdb ./test core [...] Program terminated with signal SIGABRT, Aborted. #0 0xd058f3ec in pthread_kill () from /usr/lib/libpthreads.a(shr_xpg5.o) (gdb) bt #0 0xd058f3ec in pthread_kill () from /usr/lib/libpthreads.a(shr_xpg5.o) #1 0xd058e7cc in _p_raise () from /usr/lib/libpthreads.a(shr_xpg5.o) #2 0xd0123608 in raise () from /usr/lib/libc.a(shr.o) #3 0xd0189ebc in abort () from /usr/lib/libc.a(shr.o) #4 0xd08741a4 in uw_init_context_1 () from /opt/freeware/lib/gcc/powerpc-ibm-aix7.2.0.0/7.2.0/pthread/libgcc_s.a(shr.o) #5 0xd0874e50 in _Unwind_RaiseException () from /opt/freeware/lib/gcc/powerpc-ibm-aix7.2.0.0/7.2.0/pthread/libgcc_s.a(shr.o) #6 0xd17cd2cc in __cxa_throw () from /opt/freeware/lib/gcc/powerpc-ibm-aix7.2.0.0/7.2.0/pthread/libstdc++.a(libstdc++.so.6) #7 0x100006dc in doit () at test.cc:14 #8 0x100021fc in void std::__invoke_impl<void, void (*)()>(std::__invoke_other, void (*&&)()) (__f=<incomplete type>) #9 0x100020c4 in std::__invoke_result<void (*)()>::type std::__invoke<void (*)()>(void (*&&)()) (__fn=<incomplete type>) #10 0x10002cd4 in decltype (__invoke((_S_declval<0ul>)())) std::thread::_Invoker<std::tuple<void (*)()> >::_M_invoke<0ul>(std::_Index_tuple<0ul>) (this=<incomplete type>) #11 0x10002c2c in std::thread::_Invoker<std::tuple<void (*)()> >::operator() (this=<incomplete type>) #12 0x10002b8c in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (*)()> > >::_M_run (this=<incomplete type>) #13 0xd18964d8 in execute_native_thread_routine () from /opt/freeware/lib/gcc/powerpc-ibm-aix7.2.0.0/7.2.0/pthread/libstdc++.a(libstdc++.so.6) #14 0xd0572f68 in _pthread_body () from /usr/lib/libpthreads.a(shr_xpg5.o) #15 0x00000000 in ?? ()