https://bugs.kde.org/show_bug.cgi?id=477705
--- Comment #2 from kde3...@a.anjels.de --- (In reply to Paul Floyd from comment #1) > Is this only calgrind? > > Does it run with --tool=none? > Does it run without errors with memcheck? Regarding your three questions the answers are no, no and no. Nulgrind shows similar behavior: /usr/local/bin/valgrind --tool=none ~/callgrind_demo/build/bin/callgrind_demo ==24052== Nulgrind, the minimal Valgrind tool ==24052== Copyright (C) 2002-2017, and GNU GPL'd, by Nicholas Nethercote. ==24052== Using Valgrind-3.22.0 and LibVEX; rerun with -h for copyright info ==24052== Command: /root/callgrind_demo/build/bin/callgrind_demo ==24052== terminate called after throwing an instance of 'fmt::v9::format_error' what(): string pointer is null ==24052== ==24052== Process terminating with default action of signal 6 (SIGABRT) ==24052== at 0x401B3E2: ??? (in /usr/lib/i386-linux-gnu/ld-linux.so.2) ==24052== by 0x4C1F296: ??? (in /usr/lib/i386-linux-gnu/libc.so.6) ==24052== by 0x4BCE100: raise (in /usr/lib/i386-linux-gnu/libc.so.6) ==24052== by 0x4BB7269: abort (in /usr/lib/i386-linux-gnu/libc.so.6) ==24052== by 0x48C59D5: ??? (in /usr/lib/i386-linux-gnu/libstdc++.so.6.0.30) ==24052== by 0x48D3143: ??? (in /usr/lib/i386-linux-gnu/libstdc++.so.6.0.30) ==24052== by 0x48D31BC: std::terminate() (in /usr/lib/i386-linux-gnu/libstdc++.so.6.0.30) ==24052== by 0x48D34BB: __cxa_throw (in /usr/lib/i386-linux-gnu/libstdc++.so.6.0.30) ==24052== by 0x10A52B: fmt::v9::detail::throw_format_error(char const*) (src/include/fmt/format-inl.h:44) ==24052== by 0x10BEEF: void fmt::v9::detail::vformat_to<char>(fmt::v9::detail::buffer<char>&, fmt::v9::basic_string_view<char>, fmt::v9::basic_format_args<fmt::v9::basic_format_context<std::conditional<std::is_same<fmt::v9::type_identity<char>::type, char>::value, fmt::v9::appender, std::back_insert_iterator<fmt::v9::detail::buffer<fmt::v9::type_identity<char>::type> > >::type, fmt::v9::type_identity<char>::type> >, fmt::v9::detail::locale_ref) (src/include/fmt/format.h:3322) ==24052== by 0x10AA79: fmt::v9::vformat[abi:cxx11](fmt::v9::basic_string_view<char>, fmt::v9::basic_format_args<fmt::v9::basic_format_context<fmt::v9::appender, char> >) (src/include/fmt/format-inl.h:1472) ==24052== by 0x10A33B: main (core.h:3206) ==24052== Aborted And also memcheck brings up related output: /usr/local/bin/valgrind --tool=memcheck ~/callgrind_demo/build/bin/callgrind_demo ==24103== Memcheck, a memory error detector ==24103== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al. ==24103== Using Valgrind-3.22.0 and LibVEX; rerun with -h for copyright info ==24103== Command: /root/callgrind_demo/build/bin/callgrind_demo ==24103== ==24103== Conditional jump or move depends on uninitialised value(s) ==24103== at 0x10BDFD: write<char, fmt::v9::appender> (src/include/fmt/format.h:3321) ==24103== by 0x10BDFD: operator()<const char *> (src/include/fmt/format.h:3374) ==24103== by 0x10BDFD: visit_format_arg<fmt::v9::detail::default_arg_formatter<char>, fmt::v9::basic_format_context<fmt::v9::appender, char> > (src/include/fmt/core.h:1651) ==24103== by 0x10BDFD: void fmt::v9::detail::vformat_to<char>(fmt::v9::detail::buffer<char>&, fmt::v9::basic_string_view<char>, fmt::v9::basic_format_args<fmt::v9::basic_format_context<std::conditional<std::is_same<fmt::v9::type_identity<char>::type, char>::value, fmt::v9::appender, std::back_insert_iterator<fmt::v9::detail::buffer<fmt::v9::type_identity<char>::type> > >::type, fmt::v9::type_identity<char>::type> >, fmt::v9::detail::locale_ref) (src/include/fmt/format.h:4078) ==24103== by 0x11F59D: ??? (in /root/callgrind_demo/build/bin/callgrind_demo) ==24103== terminate called after throwing an instance of 'fmt::v9::format_error' what(): string pointer is null ==24103== ==24103== Process terminating with default action of signal 6 (SIGABRT) ==24103== at 0x401B3E2: _dl_sysinfo_int80 (in /usr/lib/i386-linux-gnu/ld-linux.so.2) ==24103== by 0x4C37296: __pthread_kill_implementation (pthread_kill.c:43) ==24103== by 0x4BE6100: raise (raise.c:26) ==24103== by 0x4BCF269: abort (abort.c:79) ==24103== by 0x48DD9D5: ??? (in /usr/lib/i386-linux-gnu/libstdc++.so.6.0.30) ==24103== by 0x48EB143: ??? (in /usr/lib/i386-linux-gnu/libstdc++.so.6.0.30) ==24103== by 0x48EB1BC: std::terminate() (in /usr/lib/i386-linux-gnu/libstdc++.so.6.0.30) ==24103== by 0x48EB4BB: __cxa_throw (in /usr/lib/i386-linux-gnu/libstdc++.so.6.0.30) ==24103== by 0x10A52B: fmt::v9::detail::throw_format_error(char const*) (src/include/fmt/format-inl.h:44) ==24103== by 0x10BEEF: write<char, fmt::v9::appender> (src/include/fmt/format.h:3322) ==24103== by 0x10BEEF: operator()<const char *> (src/include/fmt/format.h:3374) ==24103== by 0x10BEEF: visit_format_arg<fmt::v9::detail::default_arg_formatter<char>, fmt::v9::basic_format_context<fmt::v9::appender, char> > (src/include/fmt/core.h:1651) ==24103== by 0x10BEEF: void fmt::v9::detail::vformat_to<char>(fmt::v9::detail::buffer<char>&, fmt::v9::basic_string_view<char>, fmt::v9::basic_format_args<fmt::v9::basic_format_context<std::conditional<std::is_same<fmt::v9::type_identity<char>::type, char>::value, fmt::v9::appender, std::back_insert_iterator<fmt::v9::detail::buffer<fmt::v9::type_identity<char>::type> > >::type, fmt::v9::type_identity<char>::type> >, fmt::v9::detail::locale_ref) (src/include/fmt/format.h:4078) ==24103== by 0x10AA79: fmt::v9::vformat[abi:cxx11](fmt::v9::basic_string_view<char>, fmt::v9::basic_format_args<fmt::v9::basic_format_context<fmt::v9::appender, char> >) (src/include/fmt/format-inl.h:1472) ==24103== by 0x10A33B: format<char const (&)[13]> (core.h:3206) ==24103== by 0x10A33B: main (main.cc:5) ==24103== ==24103== HEAP SUMMARY: ==24103== in use at exit: 19,083 bytes in 3 blocks ==24103== total heap usage: 4 allocs, 1 frees, 19,115 bytes allocated ==24103== ==24103== LEAK SUMMARY: ==24103== definitely lost: 0 bytes in 0 blocks ==24103== indirectly lost: 0 bytes in 0 blocks ==24103== possibly lost: 104 bytes in 1 blocks ==24103== still reachable: 18,979 bytes in 2 blocks ==24103== of which reachable via heuristic: ==24103== stdstring : 35 bytes in 1 blocks ==24103== suppressed: 0 bytes in 0 blocks ==24103== Rerun with --leak-check=full to see details of leaked memory ==24103== ==24103== Use --track-origins=yes to see where uninitialised values come from ==24103== For lists of detected and suppressed errors, rerun with: -s ==24103== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0) Aborted -- You are receiving this mail because: You are watching all bug changes.
