mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 01:00:07 +00:00
126 lines
3.9 KiB
C
126 lines
3.9 KiB
C
/* Test reporting of out-of-bounds access for dynamic arrays.
|
|
Copyright (C) 2017-2024 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 "tst-dynarray-shared.h"
|
|
|
|
#include <signal.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <support/capture_subprocess.h>
|
|
#include <support/check.h>
|
|
|
|
/* Run CALLBACK and check that the data on standard error equals
|
|
EXPECTED. */
|
|
static void
|
|
check (const char *test, void (*callback) (void *), size_t index,
|
|
const char *expected)
|
|
{
|
|
struct support_capture_subprocess result
|
|
= support_capture_subprocess (callback, &index);
|
|
if (strcmp (result.err.buffer, expected) != 0)
|
|
{
|
|
support_record_failure ();
|
|
printf ("error: test %s (%zu) unexpected standard error data\n"
|
|
" expected: %s\n"
|
|
" actual: %s\n",
|
|
test, index, expected, result.err.buffer);
|
|
}
|
|
TEST_VERIFY (strlen (result.out.buffer) == 0);
|
|
TEST_VERIFY (WIFSIGNALED (result.status));
|
|
if (WIFSIGNALED (result.status))
|
|
TEST_VERIFY (WTERMSIG (result.status) == SIGABRT);
|
|
support_capture_subprocess_free (&result);
|
|
}
|
|
|
|
/* Try indexing an empty array. */
|
|
static void
|
|
test_empty (void *closure)
|
|
{
|
|
size_t *pindex = closure;
|
|
struct dynarray_int dyn;
|
|
dynarray_int_init (&dyn);
|
|
dynarray_int_at (&dyn, *pindex);
|
|
}
|
|
|
|
/* Try indexing a one-element array. */
|
|
static void
|
|
test_one (void *closure)
|
|
{
|
|
size_t *pindex = closure;
|
|
struct dynarray_int dyn;
|
|
dynarray_int_init (&dyn);
|
|
TEST_VERIFY (dynarray_int_resize (&dyn, 1));
|
|
dynarray_int_at (&dyn, *pindex);
|
|
}
|
|
|
|
/* Try indexing a longer array. */
|
|
static void
|
|
test_many (void *closure)
|
|
{
|
|
size_t *pindex = closure;
|
|
struct dynarray_int dyn;
|
|
dynarray_int_init (&dyn);
|
|
TEST_VERIFY (dynarray_int_resize (&dyn, 5371));
|
|
dynarray_int_at (&dyn, *pindex);
|
|
}
|
|
|
|
/* (size_t) -1 for use in string literals. */
|
|
#if SIZE_WIDTH == 32
|
|
# define MINUS_1 "4294967295"
|
|
#elif SIZE_WIDTH == 64
|
|
# define MINUS_1 "18446744073709551615"
|
|
#else
|
|
# error "unknown value for SIZE_WIDTH"
|
|
#endif
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
TEST_VERIFY (setenv ("LIBC_FATAL_STDERR_", "1", 1) == 0);
|
|
|
|
check ("test_empty", test_empty, 0,
|
|
"Fatal glibc error: array index 0 not less than array length 0\n");
|
|
check ("test_empty", test_empty, 1,
|
|
"Fatal glibc error: array index 1 not less than array length 0\n");
|
|
check ("test_empty", test_empty, -1,
|
|
"Fatal glibc error: array index " MINUS_1
|
|
" not less than array length 0\n");
|
|
|
|
check ("test_one", test_one, 1,
|
|
"Fatal glibc error: array index 1 not less than array length 1\n");
|
|
check ("test_one", test_one, 2,
|
|
"Fatal glibc error: array index 2 not less than array length 1\n");
|
|
check ("test_one", test_one, -1,
|
|
"Fatal glibc error: array index " MINUS_1
|
|
" not less than array length 1\n");
|
|
|
|
check ("test_many", test_many, 5371,
|
|
"Fatal glibc error: array index 5371"
|
|
" not less than array length 5371\n");
|
|
check ("test_many", test_many, 5372,
|
|
"Fatal glibc error: array index 5372"
|
|
" not less than array length 5371\n");
|
|
check ("test_many", test_many, -1,
|
|
"Fatal glibc error: array index " MINUS_1
|
|
" not less than array length 5371\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|