Re: [Boost-bugs] [Boost C++ Libraries] #8395: Valgrind error in lockfree::queue

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #8395: Valgrind error in lockfree::queue
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2017-04-16 05:31:19

#8395: Valgrind error in lockfree::queue
-------------------------------+--------------------------
  Reporter:  adam@…            |      Owner:  timblechmann
      Type:  Bugs              |     Status:  new
 Milestone:  To Be Determined  |  Component:  lockfree
   Version:  Boost 1.53.0      |   Severity:  Problem
Resolution:                    |   Keywords:
-------------------------------+--------------------------

Comment (by anonymous):

 Same here with boost 1.58. Compiled in debug with --track-origins=yes, I
 have:


 {{{
 ==10410== Conditional jump or move depends on uninitialised value(s)
 ==10410==    at 0x401939: compare_exchange_weak (ops_gcc_atomic.hpp:132)
 ==10410==    by 0x401939: compare_exchange_weak (atomic_template.hpp:386)
 ==10410==    by 0x401939: compare_exchange_weak (atomic_template.hpp:393)
 ==10410==    by 0x401939: bool boost::lockfree::queue<int*,
 boost::parameter::void_, boost::parameter::void_,
 boost::parameter::void_>::do_push<false>(int* const&) (queue.hpp:307)
 ==10410==    by 0x400C48: boost::lockfree::queue<int*,
 boost::parameter::void_, boost::parameter::void_,
 boost::parameter::void_>::push(int* const&) (queue.hpp:267)
 ==10410==    by 0x4008DC: main (plap.cpp:9)
 ==10410==  Uninitialised value was created by a stack allocation
 ==10410==    at 0x40361E:
 boost::atomics::atomic<boost::lockfree::detail::tagged_ptr<boost::lockfree::queue<int*,
 boost::parameter::void_, boost::parameter::void_,
 boost::parameter::void_>::node> >::atomic() (atomic_template.hpp:680)
 }}}

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/8395#comment:7>
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