Module Name:    src
Committed By:   christos
Date:           Fri Mar 16 17:25:04 UTC 2018

Modified Files:
        src/sys/compat/common: uipc_syscalls_43.c
        src/sys/compat/linux/common: linux_socket.c
        src/sys/compat/netbsd32: netbsd32_compat_43.c
        src/sys/kern: uipc_syscalls.c
        src/sys/nfs: nfs_syscalls.c nfs_vfsops.c
        src/sys/sys: param.h socketvar.h

Log Message:
PR/53103: Timo Buhrmester: linux emulation of sendto(2) broken

The sockargs refactoring broke it, because sockargs only works with a user
address. Added an argument to sockargs to indicate where the address is
coming from. Welcome to 8.99.14.


To generate a diff of this commit:
cvs rdiff -u -r1.47 -r1.48 src/sys/compat/common/uipc_syscalls_43.c
cvs rdiff -u -r1.139 -r1.140 src/sys/compat/linux/common/linux_socket.c
cvs rdiff -u -r1.54 -r1.55 src/sys/compat/netbsd32/netbsd32_compat_43.c
cvs rdiff -u -r1.191 -r1.192 src/sys/kern/uipc_syscalls.c
cvs rdiff -u -r1.159 -r1.160 src/sys/nfs/nfs_syscalls.c
cvs rdiff -u -r1.235 -r1.236 src/sys/nfs/nfs_vfsops.c
cvs rdiff -u -r1.558 -r1.559 src/sys/sys/param.h
cvs rdiff -u -r1.146 -r1.147 src/sys/sys/socketvar.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/compat/common/uipc_syscalls_43.c
diff -u src/sys/compat/common/uipc_syscalls_43.c:1.47 src/sys/compat/common/uipc_syscalls_43.c:1.48
--- src/sys/compat/common/uipc_syscalls_43.c:1.47	Tue Sep 13 03:01:07 2016
+++ src/sys/compat/common/uipc_syscalls_43.c	Fri Mar 16 13:25:04 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: uipc_syscalls_43.c,v 1.47 2016/09/13 07:01:07 martin Exp $	*/
+/*	$NetBSD: uipc_syscalls_43.c,v 1.48 2018/03/16 17:25:04 christos Exp $	*/
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1990, 1993
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls_43.c,v 1.47 2016/09/13 07:01:07 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls_43.c,v 1.48 2018/03/16 17:25:04 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -343,7 +343,8 @@ compat_43_sys_sendmsg(struct lwp *l, con
 	msg.msg_iovlen = omsg.msg_iovlen;
 	msg.msg_iov = omsg.msg_iov;
 
-	error = sockargs(&nam, omsg.msg_name, omsg.msg_namelen, MT_SONAME);
+	error = sockargs(&nam, omsg.msg_name, omsg.msg_namelen,
+	    UIO_USERSPACE, MT_SONAME);
 	if (error != 0)
 		return (error);
 

Index: src/sys/compat/linux/common/linux_socket.c
diff -u src/sys/compat/linux/common/linux_socket.c:1.139 src/sys/compat/linux/common/linux_socket.c:1.140
--- src/sys/compat/linux/common/linux_socket.c:1.139	Wed Nov 22 05:19:14 2017
+++ src/sys/compat/linux/common/linux_socket.c	Fri Mar 16 13:25:04 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_socket.c,v 1.139 2017/11/22 10:19:14 ozaki-r Exp $	*/
+/*	$NetBSD: linux_socket.c,v 1.140 2018/03/16 17:25:04 christos Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998, 2008 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_socket.c,v 1.139 2017/11/22 10:19:14 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_socket.c,v 1.140 2018/03/16 17:25:04 christos Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_inet.h"
@@ -401,6 +401,7 @@ linux_sys_sendto(struct lwp *l, const st
 	struct msghdr   msg;
 	struct iovec    aiov;
 	struct sockaddr_big nam;
+	struct mbuf *m;
 	int bflags;
 	int error;
 
@@ -419,9 +420,13 @@ linux_sys_sendto(struct lwp *l, const st
 		error = linux_get_sa(l, SCARG(uap, s), &nam, SCARG(uap, to),
 		    SCARG(uap, tolen));
 		if (error)
-			return (error);
-		msg.msg_name = &nam;
-		msg.msg_namelen = SCARG(uap, tolen);
+			return error;
+		error = sockargs(&m, &nam, nam.sb_len, UIO_SYSSPACE, MT_SONAME);
+		if (error)
+			return error;
+		msg.msg_flags |= MSG_NAMEMBUF;
+		msg.msg_name = m;
+		msg.msg_namelen = nam.sb_len;
 	}
 
 	msg.msg_iov = &aiov;

Index: src/sys/compat/netbsd32/netbsd32_compat_43.c
diff -u src/sys/compat/netbsd32/netbsd32_compat_43.c:1.54 src/sys/compat/netbsd32/netbsd32_compat_43.c:1.55
--- src/sys/compat/netbsd32/netbsd32_compat_43.c:1.54	Tue Sep 13 03:01:07 2016
+++ src/sys/compat/netbsd32/netbsd32_compat_43.c	Fri Mar 16 13:25:04 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: netbsd32_compat_43.c,v 1.54 2016/09/13 07:01:07 martin Exp $	*/
+/*	$NetBSD: netbsd32_compat_43.c,v 1.55 2018/03/16 17:25:04 christos Exp $	*/
 
 /*
  * Copyright (c) 1998, 2001 Matthew R. Green
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_43.c,v 1.54 2016/09/13 07:01:07 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_43.c,v 1.55 2018/03/16 17:25:04 christos Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_compat_43.h"
@@ -529,7 +529,7 @@ compat_43_netbsd32_osendmsg(struct lwp *
 	msg.msg_flags = MSG_NAMEMBUF;
 
 	error = sockargs(&nam, NETBSD32PTR64(omsg.msg_name), omsg.msg_namelen,
-	    MT_SONAME);
+	    UIO_USERSPACE, MT_SONAME);
 	if (error != 0)
 		goto out;
 

Index: src/sys/kern/uipc_syscalls.c
diff -u src/sys/kern/uipc_syscalls.c:1.191 src/sys/kern/uipc_syscalls.c:1.192
--- src/sys/kern/uipc_syscalls.c:1.191	Mon Feb 12 11:01:35 2018
+++ src/sys/kern/uipc_syscalls.c	Fri Mar 16 13:25:04 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: uipc_syscalls.c,v 1.191 2018/02/12 16:01:35 maxv Exp $	*/
+/*	$NetBSD: uipc_syscalls.c,v 1.192 2018/03/16 17:25:04 christos Exp $	*/
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls.c,v 1.191 2018/02/12 16:01:35 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls.c,v 1.192 2018/03/16 17:25:04 christos Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_pipe.h"
@@ -593,7 +593,7 @@ do_sys_sendmsg_so(struct lwp *l, int s, 
 
 	if (mp->msg_name && to == NULL) {
 		error = sockargs(&to, mp->msg_name, mp->msg_namelen,
-		    MT_SONAME);
+		    UIO_USERSPACE, MT_SONAME);
 		if (error)
 			goto bad;
 	}
@@ -605,7 +605,7 @@ do_sys_sendmsg_so(struct lwp *l, int s, 
 		}
 		if (control == NULL) {
 			error = sockargs(&control, mp->msg_control,
-			    mp->msg_controllen, MT_CONTROL);
+			    mp->msg_controllen, UIO_USERSPACE, MT_CONTROL);
 			if (error)
 				goto bad;
 		}
@@ -1529,7 +1529,8 @@ sockargs_sb(struct sockaddr_big *sb, con
  * XXX arguments in mbufs, and this could go away.
  */
 int
-sockargs(struct mbuf **mp, const void *bf, size_t buflen, int type)
+sockargs(struct mbuf **mp, const void *bf, size_t buflen, enum uio_seg seg,
+    int type)
 {
 	struct sockaddr	*sa;
 	struct mbuf	*m;
@@ -1560,12 +1561,16 @@ sockargs(struct mbuf **mp, const void *b
 		MEXTMALLOC(m, buflen, M_WAITOK);
 	}
 	m->m_len = buflen;
-	error = copyin(bf, mtod(m, void *), buflen);
-	if (error) {
-		(void)m_free(m);
-		return error;
+	if (seg == UIO_USERSPACE) {
+		error = copyin(bf, mtod(m, void *), buflen);
+		if (error) {
+			(void)m_free(m);
+			return error;
+		}
+		ktrkuser(mbuftypes[type], mtod(m, void *), buflen);
+	} else {
+		memcpy(mtod(m, void *), bf, buflen);
 	}
-	ktrkuser(mbuftypes[type], mtod(m, void *), buflen);
 	*mp = m;
 	if (type == MT_SONAME) {
 		sa = mtod(m, struct sockaddr *);

Index: src/sys/nfs/nfs_syscalls.c
diff -u src/sys/nfs/nfs_syscalls.c:1.159 src/sys/nfs/nfs_syscalls.c:1.160
--- src/sys/nfs/nfs_syscalls.c:1.159	Thu Jan 25 12:14:36 2018
+++ src/sys/nfs/nfs_syscalls.c	Fri Mar 16 13:25:04 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: nfs_syscalls.c,v 1.159 2018/01/25 17:14:36 riastradh Exp $	*/
+/*	$NetBSD: nfs_syscalls.c,v 1.160 2018/03/16 17:25:04 christos Exp $	*/
 
 /*
  * Copyright (c) 1989, 1993
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nfs_syscalls.c,v 1.159 2018/01/25 17:14:36 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nfs_syscalls.c,v 1.160 2018/03/16 17:25:04 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -332,7 +332,7 @@ do_nfssvc(struct nfssvc_copy_ops *ops, s
 			nam = (struct mbuf *)0;
 		else {
 			error = sockargs(&nam, nfsdarg.name, nfsdarg.namelen,
-				MT_SONAME);
+				UIO_USERSPACE, MT_SONAME);
 			if (error) {
 				fd_putfile(nfsdarg.sock);
 				return (error);

Index: src/sys/nfs/nfs_vfsops.c
diff -u src/sys/nfs/nfs_vfsops.c:1.235 src/sys/nfs/nfs_vfsops.c:1.236
--- src/sys/nfs/nfs_vfsops.c:1.235	Mon Apr 17 04:32:01 2017
+++ src/sys/nfs/nfs_vfsops.c	Fri Mar 16 13:25:04 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: nfs_vfsops.c,v 1.235 2017/04/17 08:32:01 hannken Exp $	*/
+/*	$NetBSD: nfs_vfsops.c,v 1.236 2018/03/16 17:25:04 christos Exp $	*/
 
 /*
  * Copyright (c) 1989, 1993, 1995
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nfs_vfsops.c,v 1.235 2017/04/17 08:32:01 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nfs_vfsops.c,v 1.236 2018/03/16 17:25:04 christos Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_nfs.h"
@@ -670,7 +670,8 @@ nfs_mount(struct mount *mp, const char *
 		goto free_hst;
 	memset(&hst[len], 0, MNAMELEN - len);
 	/* sockargs() call must be after above copyin() calls */
-	error = sockargs(&nam, args->addr, args->addrlen, MT_SONAME);
+	error = sockargs(&nam, args->addr, args->addrlen, UIO_USERSPACE,
+	    MT_SONAME);
 	if (error)
 		goto free_hst;
 	MCLAIM(nam, &nfs_mowner);

Index: src/sys/sys/param.h
diff -u src/sys/sys/param.h:1.558 src/sys/sys/param.h:1.559
--- src/sys/sys/param.h:1.558	Wed Mar 14 20:48:13 2018
+++ src/sys/sys/param.h	Fri Mar 16 13:25:04 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: param.h,v 1.558 2018/03/15 00:48:13 christos Exp $	*/
+/*	$NetBSD: param.h,v 1.559 2018/03/16 17:25:04 christos Exp $	*/
 
 /*-
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -67,7 +67,7 @@
  *	2.99.9		(299000900)
  */
 
-#define	__NetBSD_Version__	899001300	/* NetBSD 8.99.13 */
+#define	__NetBSD_Version__	899001400	/* NetBSD 8.99.14 */
 
 #define __NetBSD_Prereq__(M,m,p) (((((M) * 100000000) + \
     (m) * 1000000) + (p) * 100) <= __NetBSD_Version__)

Index: src/sys/sys/socketvar.h
diff -u src/sys/sys/socketvar.h:1.146 src/sys/sys/socketvar.h:1.147
--- src/sys/sys/socketvar.h:1.146	Wed Jan  3 20:42:25 2018
+++ src/sys/sys/socketvar.h	Fri Mar 16 13:25:04 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: socketvar.h,v 1.146 2018/01/04 01:42:25 christos Exp $	*/
+/*	$NetBSD: socketvar.h,v 1.147 2018/03/16 17:25:04 christos Exp $	*/
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -249,11 +249,13 @@ struct msghdr;
 struct stat;
 struct knote;
 struct sockaddr_big;
+enum uio_seg;
 
 struct	mbuf *getsombuf(struct socket *, int);
 
-/* 0x400 is SO_OTIMESTAMP */
-#define SOOPT_TIMESTAMP(o)	((o) & (SO_TIMESTAMP | 0x400))
+#define SOOPT_TIMESTAMP(o)				\
+    ((o) & (SO_TIMESTAMP | 0x400 /*SO_OTIMESTAMP*/ |	\
+    SO_TIMESTAMPNS | SO_TIMESTAMPING))
 
 /*
  * File operations on sockets.
@@ -330,7 +332,7 @@ int	so_setsockopt(struct lwp *, struct s
 int	soshutdown(struct socket *, int);
 void	sorestart(struct socket *);
 void	sowakeup(struct socket *, struct sockbuf *, int);
-int	sockargs(struct mbuf **, const void *, size_t, int);
+int	sockargs(struct mbuf **, const void *, size_t, enum uio_seg, int);
 int	sopoll(struct socket *, int);
 struct	socket *soget(bool);
 void	soput(struct socket *);

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