[Bug libstdc++/55911] Segfault in unordered_map with max_load_factor > 1

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55911



Jonathan Wakely <redi at gcc dot gnu.org> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

             Status|NEW                         |RESOLVED

         Resolution|                            |INVALID



--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> 2013-01-09 
12:16:51 UTC ---

Debug Mode even catches it:



unordered_map:        max_size: 576460752303423487

unordered_map:            size: 10352716

unordered_map:    bucket_count: 218971

unordered_map:     load_factor: 47.278938

unordered_map: max_load_factor: 50.000000

/home/wakelj/tools/Linux-f12-x86_64/4.8/include/c++/4.8.0/debug/unordered_map:229:

    error: attempt to access container with out-of-bounds bucket index

    218971, container only holds 218971 buckets.



Objects involved in the operation:

sequence "this" @ 0x0x7fffd8ae2810 {

  type = NSt7__debug13unordered_mapIld11HashPtrdiffSt8equal_toIlESaIlEEE;

}

Aborted (core dumped)