Re: [Boost-bugs] [Boost C++ Libraries] #4415: Posible "Segmentation Fault" in shared_ptr destructor

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #4415: Posible "Segmentation Fault" in shared_ptr destructor
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-07-09 08:43:17

#4415: Posible "Segmentation Fault" in shared_ptr destructor
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  Reporter:  Takenori Sato <takenori.sato@…>          |       Owner:  pdimov   
      Type:  Bugs                                     |      Status:  new      
 Milestone:  Boost 1.44.0                             |   Component:  smart_ptr
   Version:  Boost 1.44.0                             |    Severity:  Problem  
Resolution:                                           |    Keywords:           
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Comment (by pdimov):

 If two threads enter release, the initial value of use_count_ must be at
 least 2, and only the thread that last decrements it will proceed to
 dispose(). I don't see how this can lead to the other thread suffering a
 segmentation fault while accessing use_count_, as its access must already
 have been performed. Can you please attach a reasonably complete example
 that demonstrates the problem?

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/4415#comment:1>
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