forked from pool/glibc
Andreas Schwab
c0dd082d43
- assert-pedantic.patch: Suppress pedantic warning caused by statement expression (BZ #21242, BZ #21972) - math-c++-compat.patch: Add more C++ compatibility - getaddrinfo-errno.patch: Fix errno and h_errno handling in getaddrinfo (BZ #21915, BZ #21922) - resolv-conf-oom.patch: Fix memory handling in OOM situation during resolv.conf parsing (BZ #22095, BZ #22096) - dynarray-enlarge.patch: Fix initial size of dynarray allocation and set errno on overflow error - nearbyint-inexact.patch: Avoid spurious inexact in nearbyint (BZ #22225) OBS-URL: https://build.opensuse.org/request/show/529148 OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=479
128 lines
3.5 KiB
Diff
128 lines
3.5 KiB
Diff
2017-08-30 Florian Weimer <fweimer@redhat.com>
|
|
|
|
* malloc/dynarray_emplace_enlarge.c
|
|
(__libc_dynarray_emplace_enlarge): Set errno on overflow.
|
|
* malloc/dynarray_resize.c (__libc_dynarray_resize): Likewise.
|
|
* malloc/tst-dynarray.c (test_long_overflow): New function.
|
|
(do_test): Call it.
|
|
|
|
2017-09-06 Florian Weimer <fweimer@redhat.com>
|
|
|
|
* malloc/dynarray_emplace_enlarge.c
|
|
(__libc_dynarray_emplace_enlarge): Add missing else.
|
|
|
|
Index: glibc-2.26/malloc/dynarray_emplace_enlarge.c
|
|
===================================================================
|
|
--- glibc-2.26.orig/malloc/dynarray_emplace_enlarge.c
|
|
+++ glibc-2.26/malloc/dynarray_emplace_enlarge.c
|
|
@@ -17,6 +17,7 @@
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <dynarray.h>
|
|
+#include <errno.h>
|
|
#include <malloc-internal.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
@@ -32,7 +33,7 @@ __libc_dynarray_emplace_enlarge (struct
|
|
size. */
|
|
if (element_size < 4)
|
|
new_allocated = 16;
|
|
- if (element_size < 8)
|
|
+ else if (element_size < 8)
|
|
new_allocated = 8;
|
|
else
|
|
new_allocated = 4;
|
|
@@ -43,8 +44,11 @@ __libc_dynarray_emplace_enlarge (struct
|
|
{
|
|
new_allocated = list->allocated + list->allocated / 2 + 1;
|
|
if (new_allocated <= list->allocated)
|
|
- /* Overflow. */
|
|
- return false;
|
|
+ {
|
|
+ /* Overflow. */
|
|
+ __set_errno (ENOMEM);
|
|
+ return false;
|
|
+ }
|
|
}
|
|
|
|
size_t new_size;
|
|
Index: glibc-2.26/malloc/dynarray_resize.c
|
|
===================================================================
|
|
--- glibc-2.26.orig/malloc/dynarray_resize.c
|
|
+++ glibc-2.26/malloc/dynarray_resize.c
|
|
@@ -17,6 +17,7 @@
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <dynarray.h>
|
|
+#include <errno.h>
|
|
#include <malloc-internal.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
@@ -38,7 +39,11 @@ __libc_dynarray_resize (struct dynarray_
|
|
|
|
size_t new_size_bytes;
|
|
if (check_mul_overflow_size_t (size, element_size, &new_size_bytes))
|
|
- return false;
|
|
+ {
|
|
+ /* Overflow. */
|
|
+ __set_errno (ENOMEM);
|
|
+ return false;
|
|
+ }
|
|
void *new_array;
|
|
if (list->array == scratch)
|
|
{
|
|
Index: glibc-2.26/malloc/tst-dynarray.c
|
|
===================================================================
|
|
--- glibc-2.26.orig/malloc/tst-dynarray.c
|
|
+++ glibc-2.26/malloc/tst-dynarray.c
|
|
@@ -18,6 +18,9 @@
|
|
|
|
#include "tst-dynarray-shared.h"
|
|
|
|
+#include <errno.h>
|
|
+#include <stdint.h>
|
|
+
|
|
#define DYNARRAY_STRUCT dynarray_long
|
|
#define DYNARRAY_ELEMENT long
|
|
#define DYNARRAY_PREFIX dynarray_long_
|
|
@@ -463,6 +466,31 @@ test_long_init (void)
|
|
}
|
|
}
|
|
|
|
+/* Test overflow in resize. */
|
|
+static void
|
|
+test_long_overflow (void)
|
|
+{
|
|
+ {
|
|
+ struct dynarray_long dyn;
|
|
+ dynarray_long_init (&dyn);
|
|
+ errno = EINVAL;
|
|
+ TEST_VERIFY (!dynarray_long_resize
|
|
+ (&dyn, (SIZE_MAX / sizeof (long)) + 1));
|
|
+ TEST_VERIFY (errno == ENOMEM);
|
|
+ TEST_VERIFY (dynarray_long_has_failed (&dyn));
|
|
+ }
|
|
+
|
|
+ {
|
|
+ struct dynarray_long_noscratch dyn;
|
|
+ dynarray_long_noscratch_init (&dyn);
|
|
+ errno = EINVAL;
|
|
+ TEST_VERIFY (!dynarray_long_noscratch_resize
|
|
+ (&dyn, (SIZE_MAX / sizeof (long)) + 1));
|
|
+ TEST_VERIFY (errno == ENOMEM);
|
|
+ TEST_VERIFY (dynarray_long_noscratch_has_failed (&dyn));
|
|
+ }
|
|
+}
|
|
+
|
|
/* Test NUL-terminated string construction with the add function and
|
|
the simple finalize function. */
|
|
static void
|
|
@@ -538,6 +566,7 @@ do_test (void)
|
|
test_int ();
|
|
test_str ();
|
|
test_long_init ();
|
|
+ test_long_overflow ();
|
|
test_zstr ();
|
|
return 0;
|
|
}
|