From: Rich Felker <dalias@aerifal.cx>
Date: Wed, 29 Jun 2011 23:26:30 +0000 (-0400)
Subject: posix_memalign should fail if size is not a multiple of sizeof(void *)
X-Git-Tag: v0.7.12~11
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=f9ed11f3e1337d6bac6298db1d66d4f27bb59f6b;p=oweals%2Fmusl.git

posix_memalign should fail if size is not a multiple of sizeof(void *)
---

diff --git a/src/malloc/posix_memalign.c b/src/malloc/posix_memalign.c
index ef86260d..2ae928c8 100644
--- a/src/malloc/posix_memalign.c
+++ b/src/malloc/posix_memalign.c
@@ -11,7 +11,7 @@ int posix_memalign(void **res, size_t align, size_t len)
 	unsigned char *mem, *new, *end;
 	size_t header, footer;
 
-	if ((align & -align) != align) return EINVAL;
+	if ((align & -align & -sizeof(void *)) != align) return EINVAL;
 	if (len > SIZE_MAX - align) return ENOMEM;
 
 	if (align <= 4*sizeof(size_t)) {