git: fbe149eef7d8 - stable/13 - Fix rtsock sockaddr alignment.

[Alexander V. Chernikov]

The branch stable/13 has been updated by melifaro:

URL: https://cgit.FreeBSD.org/src/commit/?id=fbe149eef7d8f225138809528e2824bfabc4419c

commit fbe149eef7d8f225138809528e2824bfabc4419c
Author:     Alexander V. Chernikov <melifaro at FreeBSD.org>
AuthorDate: 2021-04-27 08:04:19 +0000
Commit:     Alexander V. Chernikov <melifaro at FreeBSD.org>
CommitDate: 2021-04-27 19:59:27 +0000

    Fix rtsock sockaddr alignment.
    
    b31fbebeb3 introduced alloc_sockaddr_aligned() which, in fact,
     failed to produce aligned addresses.
    
    Reported by:    Oskar Holmlund <oskar.holmlund at yahoo.com>
    MFC after:      immediately
    
    (cherry picked from commit 25682e6a495fc6669d799bb64acdaf14d653173e)
---
 sys/net/rtsock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
index b7a7e5170c74..405300a394de 100644
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -1009,7 +1009,7 @@ save_add_notification(struct rib_cmd_info *rc, void *_cbdata)
 static struct sockaddr *
 alloc_sockaddr_aligned(struct linear_buffer *lb, int len)
 {
-	len |= (sizeof(uint64_t) - 1);
+	len = roundup2(len, sizeof(uint64_t));
 	if (lb->offset + len > lb->size)
 		return (NULL);
 	struct sockaddr *sa = (struct sockaddr *)(lb->base + lb->offset);