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-rw-r--r--assert/assert.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/assert/assert.c b/assert/assert.c
index db90b8d7ef..d21d76fa62 100644
--- a/assert/assert.c
+++ b/assert/assert.c
@@ -17,6 +17,7 @@
#include <intprops.h>
#include <ldsodefs.h>
+#include <libc-pointer-arith.h>
#include <libintl.h>
#include <libio/iolibio.h>
#include <setvmaname.h>
@@ -60,7 +61,8 @@ __assert_fail_base (const char *fmt, const char *assertion, const char *file,
(void) __fxprintf (NULL, "%s", str);
(void) fflush (stderr);
- total = (total + 1 + GLRO(dl_pagesize) - 1) & ~(GLRO(dl_pagesize) - 1);
+ total = ALIGN_UP (total + sizeof (struct abort_msg_s) + 1,
+ GLRO(dl_pagesize));
struct abort_msg_s *buf = __mmap (NULL, total, PROT_READ | PROT_WRITE,
MAP_ANON | MAP_PRIVATE, -1, 0);
if (__glibc_likely (buf != MAP_FAILED))