[src/trunk]: src/usr.bin/kdump don't limit sockets to sizeof(sizeof sockaddr_...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/bb854c27ad74
branches:  trunk
changeset: 769980:bb854c27ad74
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Sep 28 16:28:27 2011 +0000

description:
don't limit sockets to sizeof(sizeof sockaddr_storage). We can create valid
sockaddr_un sockets that exceed that. Arguably either
sizeof(struct sockaddr_storage) should be amended, or we should disallow
unix domain sockaddrs that exceed that size.

diffstat:

 usr.bin/kdump/kdump.c |  10 +++-------
 1 files changed, 3 insertions(+), 7 deletions(-)

diffs (31 lines):

diff -r f6d352129dc1 -r bb854c27ad74 usr.bin/kdump/kdump.c
--- a/usr.bin/kdump/kdump.c     Wed Sep 28 16:14:04 2011 +0000
+++ b/usr.bin/kdump/kdump.c     Wed Sep 28 16:28:27 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kdump.c,v 1.114 2011/09/21 17:48:53 christos Exp $     */
+/*     $NetBSD: kdump.c,v 1.115 2011/09/28 16:28:27 christos Exp $     */
 
 /*-
  * Copyright (c) 1988, 1993
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)kdump.c    8.4 (Berkeley) 4/28/95";
 #else
-__RCSID("$NetBSD: kdump.c,v 1.114 2011/09/21 17:48:53 christos Exp $");
+__RCSID("$NetBSD: kdump.c,v 1.115 2011/09/28 16:28:27 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -1031,11 +1031,7 @@
 ktruser_soname(const char *name, const void *buf, size_t len)
 {
        char fmt[512];
-       struct sockaddr_storage ss;
-
-       memset(&ss, 0, sizeof(ss));
-       memcpy(&ss, buf, len);
-       sockaddr_snprintf(fmt, sizeof(fmt), "%a", (struct sockaddr *)&ss);
+       sockaddr_snprintf(fmt, sizeof(fmt), "%a", buf);
        printf("%.*s: [%s]\n", KTR_USER_MAXIDLEN, name, fmt);
 }