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https://issues.apache.org/jira/browse/PROTON-2441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17443799#comment-17443799
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ASF GitHub Bot commented on PROTON-2441:
----------------------------------------
DreamPearl commented on pull request #338:
URL: https://github.com/apache/qpid-proton/pull/338#issuecomment-968864064
@gemmellr
> I know Jiri thought, and I agree, that ensuring a test of some kind covers
this would be good since obviously nothing existing covered this except the
example, and so still doesnt with this as-is.
I have written a test to capture the concerning bug if that exists.
> Plus that it might also be good to protect the spot where the segfault
actually occurred, rather than just the outer segment where the option is
passed through to it, so no other routes can hit similar issue in future.
Done.
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> [cpp] Crash upon reconnect when user passed empty vector to
> connection_options::failover_urls
> ---------------------------------------------------------------------------------------------
>
> Key: PROTON-2441
> URL: https://issues.apache.org/jira/browse/PROTON-2441
> Project: Qpid Proton
> Issue Type: Bug
> Components: cpp-binding
> Affects Versions: proton-c-0.36.0
> Environment: Linux fedora 5.11.12-300.fc34.x86_64 #1 SMP Wed Apr 7
> 16:31:13 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
> NAME=Fedora
> VERSION="34 (Workstation Edition)"
> ID=fedora
> VERSION_ID=34
> VERSION_CODENAME=""
> PLATFORM_ID="platform:f34"
> Reporter: Rakhi Kumari
> Assignee: Rakhi Kumari
> Priority: Major
> Fix For: proton-c-0.37.0
>
>
> {noformat}
> $ gdb ./reconnect_client
> (gdb) run amqp://127.0.0.1 examples 1
> Starting program:
> /home/rkumari/repos/qpid-proton/build/cpp/examples/reconnect_client
> amqp://127.0.0.1 examples 1
> Missing separate debuginfos, use: dnf debuginfo-install
> glibc-2.33-5.fc34.x86_64
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib64/libthread_db.so.1".
> Retries: 0 Delay: 0 Trying: NO URL@0 SZ: 0
> *Program received signal SIGSEGV, Segmentation fault.*
> 0x00007ffff7cf1104 in std::basic_ostream<char, std::char_traits<char> >&
> std::operator<< <char, std::char_traits<char>, std::allocator<char>
> >(std::basic_ostream<char, std::char_traits<char> >&,
> std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>
> > const&) () from /lib64/libstdc++.so.6
> (gdb) backtrace
> #0 0x00007ffff7cf1104 in std::basic_ostream<char, std::char_traits<char> >&
> std::operator<< <char, std::char_traits<char>, std::allocator<char>
> >(std::basic_ostream<char, std::char_traits<char> >&,
> std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>
> > const&) () from /lib64/libstdc++.so.6
> #1 0x00007ffff7e984b5 in proton::container::impl::reconnect (this=0x43c640,
> pnc=0x43df10) at
> /home/rkumari/repos/qpid-proton/cpp/src/proactor_container_impl.cpp:241
> #2 0x00007ffff7ead66d in std::__invoke_impl<void, void
> (proton::container::impl::*&)(pn_connection_t*), proton::container::impl*&,
> pn_connection_t*&> (__f=
> @0x446060: (void (proton::container::impl::*)(proton::container::impl *
> const, pn_connection_t *)) 0x7ffff7e97ed4
> <proton::container::impl::reconnect(pn_connection_t*)>, __t=@0x446078:
> 0x43c640)
> at /usr/include/c++/11/bits/invoke.h:74
> #3 0x00007ffff7ead1d6 in std::__invoke<void
> (proton::container::impl::*&)(pn_connection_t*), proton::container::impl*&,
> pn_connection_t*&> (__fn=
> @0x446060: (void (proton::container::impl::*)(proton::container::impl *
> const, pn_connection_t *)) 0x7ffff7e97ed4
> <proton::container::impl::reconnect(pn_connection_t*)>) at
> /usr/include/c++/11/bits/invoke.h:96
> #4 0x00007ffff7eacd73 in std::_Bind<void
> (proton::container::impl::*(proton::container::impl*,
> pn_connection_t*))(pn_connection_t*)>::__call<void, , 0ul,
> 1ul>(std::tuple<>&&, std::_Index_tuple<0ul, 1ul>) (this=0x446060, __args=...)
> at /usr/include/c++/11/functional:420
> #5 0x00007ffff7eac7a6 in std::_Bind<void
> (proton::container::impl::*(proton::container::impl*,
> pn_connection_t*))(pn_connection_t*)>::operator()<, void>() (this=0x446060)
> at /usr/include/c++/11/functional:503
> #6 0x00007ffff7eaba21 in std::__invoke_impl<void, std::_Bind<void
> (proton::container::impl::*(proton::container::impl*,
> pn_connection_t*))(pn_connection_t*)>&>(std::__invoke_other, std::_Bind<void
> (proton::container::impl::*(proton::container::impl*,
> pn_connection_t*))(pn_connection_t*)>&) (__f=...) at
> /usr/include/c++/11/bits/invoke.h:61
> #7 0x00007ffff7eaa497 in std::__invoke_r<void, std::_Bind<void
> (proton::container::impl::*(proton::container::impl*,
> pn_connection_t*))(pn_connection_t*)>&>(std::_Bind<void
> (proton::container::impl::*(proton::container::impl*,
> pn_connection_t*))(pn_connection_t*)>&) (__fn=...) at
> /usr/include/c++/11/bits/invoke.h:154
> #8 0x00007ffff7ea8cdf in std::_Function_handler<void (), std::_Bind<void
> (proton::container::impl::*(proton::container::impl*,
> pn_connection_t*))(pn_connection_t*)> >::_M_invoke(std::_Any_data const&)
> (__functor=...)
> at /usr/include/c++/11/bits/std_function.h:291
> #9 0x00007ffff7e9f12e in std::function<void ()>::operator()() const
> (this=0x445fa8) at /usr/include/c++/11/bits/std_function.h:560
> #10 0x00007ffff7e96050 in proton::internal::v11::work::operator()
> (this=0x445fa8) at
> /home/rkumari/repos/qpid-proton/cpp/include/proton/work_queue.hpp:283
> #11 0x00007ffff7e9ba47 in proton::container::impl::run_timer_jobs
> (this=0x43c640) at
> /home/rkumari/repos/qpid-proton/cpp/src/proactor_container_impl.cpp:536
> #12 0x00007ffff7e9be69 in proton::container::impl::dispatch (this=0x43c640,
> event=0x43f160) at
> /home/rkumari/repos/qpid-proton/cpp/src/proactor_container_impl.cpp:567
> #13 0x00007ffff7e9db82 in proton::container::impl::thread (this=0x43c640) at
> /home/rkumari/repos/qpid-proton/cpp/src/proactor_container_impl.cpp:755
> #14 0x00007ffff7e9e8cc in proton::container::impl::run (this=0x43c640,
> threads=1) at
> /home/rkumari/repos/qpid-proton/cpp/src/proactor_container_impl.cpp:801
> #15 0x00007ffff7e93bf3 in proton::container::run (this=0x7fffffffdf28) at
> /home/rkumari/repos/qpid-proton/cpp/src/container.cpp:92
> #16 0x000000000040ce2b in main (argc=4, argv=0x7fffffffe058) at
> /home/rkumari/repos/qpid-proton/cpp/examples/reconnect_client.cpp:135
> {noformat}
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