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;
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