When using mnl_nlmsg_put_extra_header() it pads out the addtional
header but only zeros the original size not the padded value. Which
cause valgrind to complain about sendto() with unitialized byte.
--- a/src/nlmsg.c
+++ b/src/nlmsg.c
@@ -105,8 +105,9 @@ void *
mnl_nlmsg_put_extra_header(struct nlmsghdr *nlh, size_t size)
{
char *ptr = (char *)nlh + nlh->nlmsg_len;
- nlh->nlmsg_len += MNL_ALIGN(size);
- memset(ptr, 0, size);
+ size_t len = MNL_ALIGN(size);
+ nlh->nlmsg_len += len;
+ memset(ptr, 0, len);
return ptr;
}
EXPORT_SYMBOL(mnl_nlmsg_put_extra_header);
--
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