Author: markj
Date: Tue Oct 15 14:45:33 2019
New Revision: 353562
URL: https://svnweb.freebsd.org/changeset/base/353562
Log:
MFS r353554:
Fix handling of empty SCM_RIGHTS messages.
Approved by: re (kib)
Modified:
releng/12.1/sys/kern/uipc_usrreq.c
Directory Properties:
releng/12.1/ (props changed)
Modified: releng/12.1/sys/kern/uipc_usrreq.c
==============================================================================
--- releng/12.1/sys/kern/uipc_usrreq.c Tue Oct 15 14:33:42 2019
(r353561)
+++ releng/12.1/sys/kern/uipc_usrreq.c Tue Oct 15 14:45:33 2019
(r353562)
@@ -2318,7 +2318,8 @@ unp_internalize(struct mbuf **controlp, struct thread
goto out;
}
- controlp = &(*controlp)->m_next;
+ if (*controlp != NULL)
+ controlp = &(*controlp)->m_next;
if (CMSG_SPACE(datalen) < clen) {
clen -= CMSG_SPACE(datalen);
cm = (struct cmsghdr *)
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