/* Test case for BZ #16634. Verify that incorrectly dlopen()ing an executable without __RTLD_OPENEXEC does not cause assertion in ld.so. Copyright (C) 2014-2019 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . Note: this test currently only fails when glibc is configured with --enable-hardcoded-path-in-tests. */ #include #include #include #include #include __thread int x; void * fn (void *p) { return p; } static int do_test (int argc, char *argv[]) { int j; for (j = 0; j < 100; ++j) { pthread_t thr; void *p; p = dlopen (argv[0], RTLD_LAZY); if (p != NULL) { fprintf (stderr, "dlopen unexpectedly succeeded\n"); return 1; } /* We create threads to force TLS allocation, which triggers the original bug i.e. running out of surplus slotinfo entries for TLS. */ thr = xpthread_create (NULL, fn, NULL); xpthread_join (thr); } return 0; } #define TEST_FUNCTION_ARGV do_test #include