/* This testcase is part of GDB, the GNU debugger. Copyright 2012-2021 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #include static volatile int infcall_var; static int gdb_test_infcall (void) { return ++infcall_var; } int main (void) { void *p; gdb_test_infcall (); p = malloc (1); if (p == NULL) return 1; free (p); free (p); /* double-free */ return 0; }