Module Name: src
Committed By: martin
Date: Sat Jun 2 16:16:16 UTC 2012
Modified Files:
src/sys/kern: uipc_usrreq.c
Log Message:
Stopgap fix for PR kern/46463: disallow passing of kqueue descriptors
via SCM_RIGHT anxiliary socket messages.
To generate a diff of this commit:
cvs rdiff -u -r1.136 -r1.137 src/sys/kern/uipc_usrreq.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/uipc_usrreq.c
diff -u src/sys/kern/uipc_usrreq.c:1.136 src/sys/kern/uipc_usrreq.c:1.137
--- src/sys/kern/uipc_usrreq.c:1.136 Sun Jun 26 16:42:43 2011
+++ src/sys/kern/uipc_usrreq.c Sat Jun 2 16:16:16 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: uipc_usrreq.c,v 1.136 2011/06/26 16:42:43 christos Exp $ */
+/* $NetBSD: uipc_usrreq.c,v 1.137 2012/06/02 16:16:16 martin Exp $ */
/*-
* Copyright (c) 1998, 2000, 2004, 2008, 2009 The NetBSD Foundation, Inc.
@@ -96,7 +96,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_usrreq.c,v 1.136 2011/06/26 16:42:43 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_usrreq.c,v 1.137 2012/06/02 16:16:16 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -1382,7 +1382,10 @@ unp_internalize(struct mbuf **controlp)
error = EAGAIN;
goto out;
}
- if ((fp = fd_getfile(fd)) == NULL) {
+ if ((fp = fd_getfile(fd)) == NULL
+ || fp->f_type == DTYPE_KQUEUE) {
+ if (fp)
+ fd_putfile(fd);
atomic_dec_uint(&unp_rights);
nfds = i;
error = EBADF;
