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-rw-r--r--malloc/hooks.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/malloc/hooks.c b/malloc/hooks.c
index 1dbe93f383..89fbd3c948 100644
--- a/malloc/hooks.c
+++ b/malloc/hooks.c
@@ -376,6 +376,13 @@ memalign_check(size_t alignment, size_t bytes, const void *caller)
return 0;
}
+ /* Make sure alignment is power of 2. */
+ if (!powerof2(alignment)) {
+ size_t a = MALLOC_ALIGNMENT * 2;
+ while (a < alignment) a <<= 1;
+ alignment = a;
+ }
+
(void)mutex_lock(&main_arena.mutex);
mem = (top_check() >= 0) ? _int_memalign(&main_arena, alignment, bytes+1) :
NULL;