[Boost-bugs] [Boost C++ Libraries] #12188: Valgrind reports invalid delete after using boost::asio::ip::tcp::resolver.resolve

Subject: [Boost-bugs] [Boost C++ Libraries] #12188: Valgrind reports invalid delete after using boost::asio::ip::tcp::resolver.resolve
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2016-05-10 13:34:06

#12188: Valgrind reports invalid delete after using
boost::asio::ip::tcp::resolver.resolve
-----------------------------------------------+---------------------------
 Reporter:  Mateusz Wójcik <mateusz.wojcik@…>  |      Owner:
     Type:  Bugs                               |  chris_kohlhoff
Milestone:  To Be Determined                   |     Status:  new
  Version:  Boost 1.60.0                       |  Component:  asio
 Keywords:  asio valgrind resolver             |   Severity:  Problem
-----------------------------------------------+---------------------------
 OS:

 Debian 3.16.7-ckt20-1+deb8u4 (2016-02-29) x86_64 GNU/Linux

 COMPILER:

 gcc version 4.9.2 (Debian 4.9.2-10)

 SOURCE:
 {{{
 #include <boost/asio.hpp>
 int main()
 {
     boost::asio::io_service queue;
     boost::asio::ip::tcp::resolver resolver( queue );
     boost::asio::ip::tcp::resolver::query query( "google.com", "" );
     resolver.resolve( query );
     queue.run();
 }
 }}}
 COMMAND:
 {{{
 gcc main.cpp -lstdc++ -pthread -lboost_system
 valgrind ./a.out
 }}}
 OUTPUT:
 {{{
 ==20844== Memcheck, a memory error detector
 ==20844== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
 ==20844== Using Valgrind-3.10.0 and LibVEX; rerun with -h for copyright
 info
 ==20844== Command: ./a.out
 ==20844==
 ==20844== Invalid free() / delete / delete[] / realloc()
 ==20844==    at 0x4C29E90: free (vg_replace_malloc.c:473)
 ==20844==    by 0x58C249B: __libc_freeres (in /lib/x86_64-linux-
 gnu/libc-2.19.so)
 ==20844==    by 0x4A236CC: _vgnU_freeres (vg_preloaded.c:63)
 ==20844==    by 0x57ADAEA: __run_exit_handlers (exit.c:97)
 ==20844==    by 0x57ADB74: exit (exit.c:104)
 ==20844==    by 0x5797B4B: (below main) (libc-start.c:321)
 ==20844==  Address 0x5b1b2d0 is 0 bytes inside data symbol
 "noai6ai_cached"
 ==20844==
 ==20844==
 ==20844== HEAP SUMMARY:
 ==20844==     in use at exit: 0 bytes in 0 blocks
 ==20844==   total heap usage: 79 allocs, 80 frees, 11,451 bytes allocated
 ==20844==
 ==20844== All heap blocks were freed -- no leaks are possible
 ==20844==
 ==20844== For counts of detected and suppressed errors, rerun with: -v
 ==20844== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/12188>
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