[boost] [pool] out-of-memory segfault

From: Phil Bouchard (philippe_at_[hidden])
Date: 2008-08-05 02:26:50

Oh this morning I assumed there was a bug in shifted_ptr but it turns out 
it's inside pool<>::ordered_malloc().  It sounds like there is an 
out-of-memory:

#0  0x0804c668 in boost::simple_segregated_storage<unsigned 
int>::try_malloc_n (start=@0xbffe8a40, n=11, partition_size=4)
    at /usr/local/include/boost/pool/simple_segregated_storage.hpp:234
#1  0x0804b14f in boost::simple_segregated_storage<unsigned int>::malloc_n 
(this=0x806e320, n=12, partition_size=4)
    at /usr/local/include/boost/pool/simple_segregated_storage.hpp:256
#2  0x0804a26f in 
boost::pool<boost::default_user_allocator_new_delete>::ordered_malloc 
(this=0x806e320, n=48)
    at /usr/local/include/boost/pool/pool.hpp:511
#3  0x0804a116 in boost::detail::sh::pool::allocate (this=0x806e320, s=48)
    at ../../../boost/detail/sh_owned_base_nt.hpp:104
#4  0x0804f062 in boost::detail::sh::shifted<boost::array<char, 2u> 
 >::operator new (s=48) at ../../../boost/detail/sh_owned_base_nt.hpp:214
#5  0x0804eb57 in create_type::operator()<mpl_::integral_c<int, 2> > 
(this=0xbffe8bcc)
    at shifted_ptr_test2.cpp:75
#6  0x0804e10b in 
boost::mpl::aux::for_each_impl<false>::execute<boost::mpl::r_iter<mpl_::integral_c<int, 
2> >, boost::mpl::r_iter<mpl_::integral_c<int, 100> >, 
boost::mpl::identity<mpl_::na>, create_type> (f={<No data fields>})
    at /usr/local/include/boost/mpl/for_each.hpp:73
#7  0x0804d45b in 
boost::mpl::aux::for_each_impl<false>::execute<boost::mpl::r_iter<mpl_::integral_c<int, 
1> >, boost::mpl::r_iter<mpl_::integral_c<int, 100> >, 
boost::mpl::identity<mpl_::na>, create_type> (f={<No data fields>})
    at /usr/local/include/boost/mpl/for_each.hpp:76
#8  0x0804c581 in boost::mpl::for_each<boost::mpl::range_c<int, 1, 100>, 
boost::mpl::identity<mpl_::na>, create_type> (f={<No data fields>})
    at /usr/local/include/boost/mpl/for_each.hpp:96
#9  0x0804af56 in boost::mpl::for_each<boost::mpl::range_c<int, 1, 100>, 
create_type> (f={<No data fields>})
    at /usr/local/include/boost/mpl/for_each.hpp:107
#10 0x080495bb in main ()
    at shifted_ptr_test2.cpp:123

This is: shifted_ptr/libs/smart_ptr/example/shifted_ptr_test2.cpp, compiled 
with: -I ../../..

-Phil