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[Bug c++/17012] std::list's function, remove, looks like it is reading memory that has been freed.
- From: "pcarlini at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Aug 2004 20:11:38 -0000
- Subject: [Bug c++/17012] std::list's function, remove, looks like it is reading memory that has been freed.
- References: <20040812195652.17012.debrak@sgi.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pcarlini at suse dot de 2004-08-12 20:11 -------
Hummm, I can "confirm" this on x86 with Valgrind:
==28990== Invalid read of size 4
==28990== at 0x8048F73: std::list<int, std::allocator<int> >::remove(int
const&) (list.tcc:181)
==28990== by 0x8048BFA: main (17012.cc:22)
==28990== by 0x40365E45: __libc_start_main (libc-start.c:225)
==28990== by 0x8048850: ??? (start.S:102)
==28990== Address 0x4187C0A4 is 8 bytes inside a block of size 12 free'd
==28990== at 0x4002BDED: __builtin_delete (vg_replace_malloc.c:244)
==28990== by 0x4002BE18: operator delete(void*) (vg_replace_malloc.c:253)
==28990== by 0x804923C: __gnu_cxx::new_allocator<std::_List_node<int>
>::deallocate(std::_List_node<int>*, unsigned) (new_allocator.h:86)
==28990== by 0x8049195: std::_List_base<int, std::allocator<int>
>::_M_put_node(std::_List_node<int>*) (stl_list.h:313)
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2004-08-12 20:11:36
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17012