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/* Unit tests for g
* Copyright (C) 2010 Red Hat, Inc.
*
* SPDX-License-Identifier: LicenseRef-old-glib-tests
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work 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.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
/* We test for errors in optimize-only definitions in gmem.h */
#if defined(__GNUC__) && __GNUC__ > 6
#pragma GCC optimize (1)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Walloc-size-larger-than="
#endif
#include "glib.h"
#include <stdlib.h>
static gsize a = G_MAXSIZE / 10 + 10;
static gsize b = 10;
typedef char X[10];
#define MEM_OVERFLOW_TEST(name, code) MEM_OVERFLOW_TEST_FULL(name, code, g_free)
#define MEM_OVERFLOW_TEST_FULL(name, code, free_func) \
static void \
mem_overflow_ ## name (void) \
{ \
gpointer p; \
code; \
free_func (p); \
exit (0); \
}
MEM_OVERFLOW_TEST (malloc_n_a_a, p = g_malloc_n (a, a))
MEM_OVERFLOW_TEST (malloc_n_a_b, p = g_malloc_n (a, b))
MEM_OVERFLOW_TEST (malloc_n_b_a, p = g_malloc_n (b, a))
MEM_OVERFLOW_TEST (malloc_n_b_b, p = g_malloc_n (b, b))
MEM_OVERFLOW_TEST (malloc0_n_a_a, p = g_malloc0_n (a, a))
MEM_OVERFLOW_TEST (malloc0_n_a_b, p = g_malloc0_n (a, b))
MEM_OVERFLOW_TEST (malloc0_n_b_a, p = g_malloc0_n (b, a))
MEM_OVERFLOW_TEST (malloc0_n_b_b, p = g_malloc0_n (b, b))
MEM_OVERFLOW_TEST (realloc_n_a_a, p = g_malloc (1); p = g_realloc_n (p, a, a))
MEM_OVERFLOW_TEST (realloc_n_a_b, p = g_malloc (1); p = g_realloc_n (p, a, b))
MEM_OVERFLOW_TEST (realloc_n_b_a, p = g_malloc (1); p = g_realloc_n (p, b, a))
MEM_OVERFLOW_TEST (realloc_n_b_b, p = g_malloc (1); p = g_realloc_n (p, b, b))
MEM_OVERFLOW_TEST (new_a, p = g_new (X, a))
MEM_OVERFLOW_TEST (new_b, p = g_new (X, b))
MEM_OVERFLOW_TEST (new0_a, p = g_new0 (X, a))
MEM_OVERFLOW_TEST (new0_b, p = g_new0 (X, b))
MEM_OVERFLOW_TEST (renew_a, p = g_malloc (1); p = g_renew (X, p, a))
MEM_OVERFLOW_TEST (renew_b, p = g_malloc (1); p = g_renew (X, p, b))
MEM_OVERFLOW_TEST_FULL (aligned_alloc_a, p = g_aligned_alloc (a, sizeof(X), 16), g_aligned_free)
MEM_OVERFLOW_TEST_FULL (aligned_alloc_b, p = g_aligned_alloc (b, sizeof(X), 16), g_aligned_free)
MEM_OVERFLOW_TEST_FULL (aligned_alloc0_a, p = g_aligned_alloc0 (a, sizeof(X), 16), g_aligned_free)
MEM_OVERFLOW_TEST_FULL (aligned_alloc0_b, p = g_aligned_alloc0 (b, sizeof(X), 16), g_aligned_free)
static void
mem_overflow_malloc_0 (void)
{
gpointer p;
p = g_malloc (0);
g_assert (p == NULL);
}
static void
mem_overflow_realloc_0 (void)
{
gpointer p;
p = g_malloc (10);
g_assert (p != NULL);
p = g_realloc (p, 0);
g_assert (p == NULL);
}
static void
mem_overflow (void)
{
gpointer p, q;
/* "FAIL" here apparently means "fail to overflow"... */
#define CHECK_PASS(P) p = (P); g_assert (p == NULL);
#define CHECK_FAIL(P) p = (P); g_assert (p != NULL);
CHECK_PASS (g_try_malloc_n (a, a));
CHECK_PASS (g_try_malloc_n (a, b));
CHECK_PASS (g_try_malloc_n (b, a));
CHECK_FAIL (g_try_malloc_n (b, b));
g_free (p);
CHECK_PASS (g_try_malloc0_n (a, a));
CHECK_PASS (g_try_malloc0_n (a, b));
CHECK_PASS (g_try_malloc0_n (b, a));
CHECK_FAIL (g_try_malloc0_n (b, b));
g_free (p);
q = g_malloc (1);
CHECK_PASS (g_try_realloc_n (q, a, a));
CHECK_PASS (g_try_realloc_n (q, a, b));
CHECK_PASS (g_try_realloc_n (q, b, a));
CHECK_FAIL (g_try_realloc_n (q, b, b));
g_free (p);
CHECK_PASS (g_try_new (X, a));
CHECK_FAIL (g_try_new (X, b));
g_free (p);
CHECK_PASS (g_try_new0 (X, a));
CHECK_FAIL (g_try_new0 (X, b));
g_free (p);
q = g_try_malloc (1);
CHECK_PASS (g_try_renew (X, q, a));
CHECK_FAIL (g_try_renew (X, q, b));
free (p);
#define CHECK_SUBPROCESS_FAIL(name) do { \
if (g_test_undefined ()) \
{ \
g_test_trap_subprocess ("/mem/overflow/subprocess/" #name, 0, \
G_TEST_SUBPROCESS_DEFAULT); \
g_test_trap_assert_failed(); \
} \
} while (0)
#define CHECK_SUBPROCESS_PASS(name) do { \
if (g_test_undefined ()) \
{ \
g_test_trap_subprocess ("/mem/overflow/subprocess/" #name, 0, \
G_TEST_SUBPROCESS_DEFAULT); \
g_test_trap_assert_passed(); \
} \
} while (0)
CHECK_SUBPROCESS_FAIL (malloc_n_a_a);
CHECK_SUBPROCESS_FAIL (malloc_n_a_b);
CHECK_SUBPROCESS_FAIL (malloc_n_b_a);
CHECK_SUBPROCESS_PASS (malloc_n_b_b);
CHECK_SUBPROCESS_FAIL (malloc0_n_a_a);
CHECK_SUBPROCESS_FAIL (malloc0_n_a_b);
CHECK_SUBPROCESS_FAIL (malloc0_n_b_a);
CHECK_SUBPROCESS_PASS (malloc0_n_b_b);
CHECK_SUBPROCESS_FAIL (realloc_n_a_a);
CHECK_SUBPROCESS_FAIL (realloc_n_a_b);
CHECK_SUBPROCESS_FAIL (realloc_n_b_a);
CHECK_SUBPROCESS_PASS (realloc_n_b_b);
CHECK_SUBPROCESS_FAIL (new_a);
CHECK_SUBPROCESS_PASS (new_b);
CHECK_SUBPROCESS_FAIL (new0_a);
CHECK_SUBPROCESS_PASS (new0_b);
CHECK_SUBPROCESS_FAIL (renew_a);
CHECK_SUBPROCESS_PASS (renew_b);
CHECK_SUBPROCESS_PASS (malloc_0);
CHECK_SUBPROCESS_PASS (realloc_0);
CHECK_SUBPROCESS_FAIL (aligned_alloc_a);
CHECK_SUBPROCESS_PASS (aligned_alloc_b);
CHECK_SUBPROCESS_FAIL (aligned_alloc0_a);
CHECK_SUBPROCESS_PASS (aligned_alloc0_b);
}
#ifdef __GNUC__
typedef struct
{
} Empty;
static void
empty_alloc_subprocess (void)
{
Empty *empty;
empty = g_new0 (Empty, 1);
g_assert (empty == NULL);
exit (0);
}
static void
empty_alloc (void)
{
g_test_bug ("https://bugzilla.gnome.org/show_bug.cgi?id=615379");
g_assert_cmpint (sizeof (Empty), ==, 0);
g_test_trap_subprocess ("/mem/empty-alloc/subprocess", 0,
G_TEST_SUBPROCESS_DEFAULT);
g_test_trap_assert_passed ();
}
#endif
#if defined(__GNUC__) && __GNUC__ > 6
#pragma GCC diagnostic pop
#endif
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/mem/overflow", mem_overflow);
g_test_add_func ("/mem/overflow/subprocess/malloc_n_a_a", mem_overflow_malloc_n_a_a);
g_test_add_func ("/mem/overflow/subprocess/malloc_n_a_b", mem_overflow_malloc_n_a_b);
g_test_add_func ("/mem/overflow/subprocess/malloc_n_b_a", mem_overflow_malloc_n_b_a);
g_test_add_func ("/mem/overflow/subprocess/malloc_n_b_b", mem_overflow_malloc_n_b_b);
g_test_add_func ("/mem/overflow/subprocess/malloc0_n_a_a", mem_overflow_malloc0_n_a_a);
g_test_add_func ("/mem/overflow/subprocess/malloc0_n_a_b", mem_overflow_malloc0_n_a_b);
g_test_add_func ("/mem/overflow/subprocess/malloc0_n_b_a", mem_overflow_malloc0_n_b_a);
g_test_add_func ("/mem/overflow/subprocess/malloc0_n_b_b", mem_overflow_malloc0_n_b_b);
g_test_add_func ("/mem/overflow/subprocess/realloc_n_a_a", mem_overflow_realloc_n_a_a);
g_test_add_func ("/mem/overflow/subprocess/realloc_n_a_b", mem_overflow_realloc_n_a_b);
g_test_add_func ("/mem/overflow/subprocess/realloc_n_b_a", mem_overflow_realloc_n_b_a);
g_test_add_func ("/mem/overflow/subprocess/realloc_n_b_b", mem_overflow_realloc_n_b_b);
g_test_add_func ("/mem/overflow/subprocess/new_a", mem_overflow_new_a);
g_test_add_func ("/mem/overflow/subprocess/new_b", mem_overflow_new_b);
g_test_add_func ("/mem/overflow/subprocess/new0_a", mem_overflow_new0_a);
g_test_add_func ("/mem/overflow/subprocess/new0_b", mem_overflow_new0_b);
g_test_add_func ("/mem/overflow/subprocess/renew_a", mem_overflow_renew_a);
g_test_add_func ("/mem/overflow/subprocess/renew_b", mem_overflow_renew_b);
g_test_add_func ("/mem/overflow/subprocess/malloc_0", mem_overflow_malloc_0);
g_test_add_func ("/mem/overflow/subprocess/realloc_0", mem_overflow_realloc_0);
g_test_add_func ("/mem/overflow/subprocess/aligned_alloc_a", mem_overflow_aligned_alloc_a);
g_test_add_func ("/mem/overflow/subprocess/aligned_alloc_b", mem_overflow_aligned_alloc_b);
g_test_add_func ("/mem/overflow/subprocess/aligned_alloc0_a", mem_overflow_aligned_alloc0_a);
g_test_add_func ("/mem/overflow/subprocess/aligned_alloc0_b", mem_overflow_aligned_alloc0_b);
#ifdef __GNUC__
g_test_add_func ("/mem/empty-alloc", empty_alloc);
g_test_add_func ("/mem/empty-alloc/subprocess", empty_alloc_subprocess);
#endif
return g_test_run();
}
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