diff options
Diffstat (limited to 'stdio-common/tst-printf-fp-free.c')
-rw-r--r-- | stdio-common/tst-printf-fp-free.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/stdio-common/tst-printf-fp-free.c b/stdio-common/tst-printf-fp-free.c new file mode 100644 index 0000000000..fea52248e0 --- /dev/null +++ b/stdio-common/tst-printf-fp-free.c @@ -0,0 +1,37 @@ +/* Test double free bug in __printf_fp_l (bug 26214). + Copyright (C) 2020 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 + <https://www.gnu.org/licenses/>. */ + +#include <mcheck.h> +#include <stdio.h> +#include <sys/resource.h> +#include <support/check.h> + +static int +do_test (void) +{ + mtrace (); + FILE *fp = fopen ("/dev/full", "w"); + TEST_VERIFY_EXIT (fp != NULL); + char buf[131072]; + TEST_VERIFY_EXIT (setvbuf (fp, buf, _IOFBF, sizeof buf) == 0); + TEST_COMPARE (fprintf (fp, "%-1000000.65536f", 1.0), -1); + fclose (fp); + return 0; +} + +#include <support/test-driver.c> |