svn commit: r273740 - head/sys/netinet/cc

[Hans Petter Selasky]

Author: hselasky
Date: Mon Oct 27 16:08:41 2014
New Revision: 273740
URL: https://svnweb.freebsd.org/changeset/base/273740

Log:
  Preserve limitation of "TCP_CA_NAME_MAX" when matching the algorithm
  name.
  
  MFC after:	3 days
  Suggested by:	gnn @

Modified:
  head/sys/netinet/cc/cc.c

Modified: head/sys/netinet/cc/cc.c
==============================================================================
--- head/sys/netinet/cc/cc.c	Mon Oct 27 15:50:47 2014	(r273739)
+++ head/sys/netinet/cc/cc.c	Mon Oct 27 16:08:41 2014	(r273740)
@@ -107,7 +107,8 @@ cc_default_algo(SYSCTL_HANDLER_ARGS)
 		CC_LIST_RLOCK();
 		STAILQ_FOREACH(funcs, &cc_list, entries) {
 			/* NOTE: "newptr" is not zero terminated */
-			if (req->newlen != strlen(funcs->name))
+			if (req->newlen != strnlen(funcs->name,
+			    TCP_CA_NAME_MAX - 1))
 				continue;
 			if (bcmp(req->newptr, funcs->name, req->newlen))
 				continue;