[Bug testsuite/55504] gcc.c-torture/execute/20071018-1.c execution failures with -fsanitize=address

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55504



Andrew Pinski <pinskia at gcc dot gnu.org> changed:



           What    |Removed                     |Added

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

             Status|UNCONFIRMED                 |NEW

   Last reconfirmed|                            |2012-11-28

          Component|sanitizer                   |testsuite

     Ever Confirmed|0                           |1



--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-11-28 
01:22:05 UTC ---

This is a true testsuite issue:

  void *x = __builtin_malloc(sizeof(struct mem));

  struct mem *as = x;

  struct foo **upper = &as->x[rank * 8 - 1];

  *upper = 0;



rank == 0 so upper will point outside of the allocated memory location.