mincore() is a relic from the past, exposing physical machine informa…

…tion

about shared resources which no program should see.  only a few pieces of
software use it, generally poorly thought out.  they are being fixed, so
mincore() can be deleted.
ok guenther tedu jca sthen, others

lib/libc/Symbols.list

@@ -129,7 +129,6 @@ _thread_sys_listen
 _thread_sys_lseek
 _thread_sys_lstat
 _thread_sys_madvise
-_thread_sys_mincore
 _thread_sys_minherit
 _thread_sys_mkdir
 _thread_sys_mkdirat
@@ -325,7 +324,6 @@ listen
 lseek
 lstat
 madvise
-mincore
 minherit
 mkdir
 mkdirat

lib/libc/hidden/sys/mman.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: mman.h,v 1.3 2016/05/07 19:05:22 guenther Exp $	*/
+/*	$OpenBSD: mman.h,v 1.4 2019/01/11 18:46:30 deraadt Exp $	*/
 /*
  * Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
  *
@@ -21,7 +21,6 @@
 #include_next <sys/mman.h>
 
 PROTO_NORMAL(madvise);
-PROTO_NORMAL(mincore);
 PROTO_NORMAL(minherit);
 PROTO_NORMAL(mlock);
 PROTO_NORMAL(mlockall);

lib/libc/shlib_version

@@ -1,4 +1,4 @@
-major=93
+major=94
 minor=0
 # note: If changes were made to include/thread_private.h or if system
 # calls were added/changed then librthread/shlib_version also be updated.

lib/libc/sys/Makefile.inc

@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile.inc,v 1.155 2018/07/13 09:25:22 beck Exp $
+#	$OpenBSD: Makefile.inc,v 1.156 2019/01/11 18:46:30 deraadt Exp $
 #	$NetBSD: Makefile.inc,v 1.35 1995/10/16 23:49:07 jtc Exp $
 #	@(#)Makefile.inc	8.1 (Berkeley) 6/17/93
 
@@ -56,7 +56,7 @@ ASM=	__semctl.o __syscall.o __thrsigdivert.o \
 	getrlimit.o getrusage.o getsid.o getsockname.o \
 	getsockopt.o gettimeofday.o ioctl.o \
 	kevent.o kill.o kqueue.o ktrace.o lchown.o \
-	link.o linkat.o listen.o lstat.o madvise.o mincore.o \
+	link.o linkat.o listen.o lstat.o madvise.o \
 	minherit.o mkdir.o mkdirat.o mkfifo.o mkfifoat.o \
 	mknod.o mknodat.o mlock.o mlockall.o mount.o mprotect.o \
 	msgctl.o msgget.o munlock.o munlockall.o munmap.o \
@@ -183,7 +183,7 @@ MAN+=	__get_tcb.2 __thrsigdivert.2 __thrsleep.2 _exit.2 accept.2 \
 	getrtable.2 getrusage.2 getsid.2 getsockname.2 getsockopt.2 \
 	getthrid.2 gettimeofday.2 getuid.2 intro.2 ioctl.2 issetugid.2 \
 	kbind.2 kill.2 kqueue.2 ktrace.2 link.2 listen.2 lseek.2 madvise.2 \
-	mincore.2 minherit.2 mkdir.2 mkfifo.2 mknod.2 mlock.2 \
+	minherit.2 mkdir.2 mkfifo.2 mknod.2 mlock.2 \
 	mlockall.2 mmap.2 mount.2 mprotect.2 mquery.2 msgctl.2 \
 	msgget.2 msgrcv.2 msgsnd.2 msync.2 munmap.2 nanosleep.2 \
 	nfssvc.2 open.2 pathconf.2 pipe.2 pledge.2 poll.2 profil.2 \

lib/libc/sys/madvise.2

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: madvise.2,v 1.19 2014/07/10 13:42:53 guenther Exp $
+.\"	$OpenBSD: madvise.2,v 1.20 2019/01/11 18:46:30 deraadt Exp $
 .\"	$NetBSD: madvise.2,v 1.7 1995/12/27 21:17:02 jtc Exp $
 .\"
 .\" Copyright (c) 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)madvise.2	8.1 (Berkeley) 6/9/93
 .\"
-.Dd $Mdocdate: July 10 2014 $
+.Dd $Mdocdate: January 11 2019 $
 .Dt MADVISE 2
 .Os
 .Sh NAME
@@ -89,7 +89,6 @@ If successful, the
 function will return zero.
 Otherwise an error number will be returned to indicate the error.
 .Sh SEE ALSO
-.Xr mincore 2 ,
 .Xr minherit 2 ,
 .Xr mprotect 2 ,
 .Xr msync 2 ,

lib/libc/sys/minherit.2

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: minherit.2,v 1.15 2014/07/02 22:22:35 matthew Exp $
+.\"	$OpenBSD: minherit.2,v 1.16 2019/01/11 18:46:30 deraadt Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	@(#)minherit.2	8.1 (Berkeley) 6/9/93
 .\"
-.Dd $Mdocdate: July 2 2014 $
+.Dd $Mdocdate: January 11 2019 $
 .Dt MINHERIT 2
 .Os
 .Sh NAME
@@ -86,7 +86,6 @@ argument is invalid.
 .El
 .Sh SEE ALSO
 .Xr madvise 2 ,
-.Xr mincore 2 ,
 .Xr mprotect 2 ,
 .Xr msync 2 ,
 .Xr munmap 2

lib/libc/sys/mlock.2

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mlock.2,v 1.19 2014/11/15 14:41:02 bentley Exp $
+.\"	$OpenBSD: mlock.2,v 1.20 2019/01/11 18:46:30 deraadt Exp $
 .\"	$NetBSD: mlock.2,v 1.3 1995/06/24 10:42:03 cgd Exp $
 .\"
 .\" Copyright (c) 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)mlock.2	8.2 (Berkeley) 12/11/93
 .\"
-.Dd $Mdocdate: November 15 2014 $
+.Dd $Mdocdate: January 11 2019 $
 .Dt MLOCK 2
 .Os
 .Sh NAME
@@ -130,7 +130,6 @@ Some portion of the indicated address range is not locked.
 .El
 .Sh SEE ALSO
 .Xr fork 2 ,
-.Xr mincore 2 ,
 .Xr minherit 2 ,
 .Xr mlockall 2 ,
 .Xr mmap 2 ,

lib/libc/sys/mlockall.2

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mlockall.2,v 1.9 2014/12/14 07:42:50 schwarze Exp $
+.\"	$OpenBSD: mlockall.2,v 1.10 2019/01/11 18:46:30 deraadt Exp $
 .\"	$NetBSD: mlockall.2,v 1.6 2000/06/26 17:00:02 kleink Exp $
 .\"
 .\" Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: December 14 2014 $
+.Dd $Mdocdate: January 11 2019 $
 .Dt MLOCKALL 2
 .Os
 .Sh NAME
@@ -97,7 +97,6 @@ The calling process does not have the appropriate privileges to perform
 the requested operation.
 .El
 .Sh SEE ALSO
-.Xr mincore 2 ,
 .Xr mlock 2 ,
 .Xr mmap 2 ,
 .Xr munmap 2 ,

lib/libc/sys/mmap.2

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mmap.2,v 1.59 2018/02/11 07:30:59 jmc Exp $
+.\"	$OpenBSD: mmap.2,v 1.60 2019/01/11 18:46:30 deraadt Exp $
 .\"	$NetBSD: mmap.2,v 1.5 1995/06/24 10:48:59 cgd Exp $
 .\"
 .\" Copyright (c) 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)mmap.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: February 11 2018 $
+.Dd $Mdocdate: January 11 2019 $
 .Dt MMAP 2
 .Os
 .Sh NAME
@@ -297,7 +297,6 @@ for more information).
 .El
 .Sh SEE ALSO
 .Xr madvise 2 ,
-.Xr mincore 2 ,
 .Xr mlock 2 ,
 .Xr mprotect 2 ,
 .Xr mquery 2 ,

lib/libc/sys/mprotect.2

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mprotect.2,v 1.23 2018/01/12 04:36:44 deraadt Exp $
+.\"	$OpenBSD: mprotect.2,v 1.24 2019/01/11 18:46:30 deraadt Exp $
 .\"	$NetBSD: mprotect.2,v 1.6 1995/10/12 15:41:08 jtc Exp $
 .\"
 .\" Copyright (c) 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)mprotect.2	8.1 (Berkeley) 6/9/93
 .\"
-.Dd $Mdocdate: January 12 2018 $
+.Dd $Mdocdate: January 11 2019 $
 .Dt MPROTECT 2
 .Os
 .Sh NAME
@@ -114,7 +114,6 @@ argument is invalid or the specified address range would wrap around.
 .El
 .Sh SEE ALSO
 .Xr madvise 2 ,
-.Xr mincore 2 ,
 .Xr msync 2 ,
 .Xr munmap 2
 .Sh STANDARDS

lib/libc/sys/msync.2

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: msync.2,v 1.25 2015/10/29 12:03:46 tedu Exp $
+.\"	$OpenBSD: msync.2,v 1.26 2019/01/11 18:46:30 deraadt Exp $
 .\"	$NetBSD: msync.2,v 1.8 1995/10/12 15:41:09 jtc Exp $
 .\"
 .\" Copyright (c) 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)msync.2	8.1 (Berkeley) 6/9/93
 .\"
-.Dd $Mdocdate: October 29 2015 $
+.Dd $Mdocdate: January 11 2019 $
 .Dt MSYNC 2
 .Os
 .Sh NAME
@@ -97,7 +97,6 @@ An I/O error occurred while writing.
 .El
 .Sh SEE ALSO
 .Xr madvise 2 ,
-.Xr mincore 2 ,
 .Xr minherit 2 ,
 .Xr mprotect 2 ,
 .Xr munmap 2

lib/libc/sys/munmap.2

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: munmap.2,v 1.17 2016/04/09 04:04:09 guenther Exp $
+.\"	$OpenBSD: munmap.2,v 1.18 2019/01/11 18:46:30 deraadt Exp $
 .\"	$NetBSD: munmap.2,v 1.5 1995/02/27 12:35:03 cgd Exp $
 .\"
 .\" Copyright (c) 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)munmap.2	8.2 (Berkeley) 4/15/94
 .\"
-.Dd $Mdocdate: April 9 2016 $
+.Dd $Mdocdate: January 11 2019 $
 .Dt MUNMAP 2
 .Os
 .Sh NAME
@@ -65,7 +65,6 @@ valid address space.
 .El
 .Sh SEE ALSO
 .Xr madvise 2 ,
-.Xr mincore 2 ,
 .Xr mlock 2 ,
 .Xr mlockall 2 ,
 .Xr mmap 2 ,

lib/librthread/shlib_version

@@ -1,2 +1,2 @@
-major=25
-minor=1
+major=26
+minor=0

sys/kern/syscalls.master

@@ -1,4 +1,4 @@
-;	$OpenBSD: syscalls.master,v 1.188 2018/07/30 19:09:51 mpi Exp $
+;	$OpenBSD: syscalls.master,v 1.189 2019/01/11 18:46:30 deraadt Exp $
 ;	$NetBSD: syscalls.master,v 1.32 1996/04/23 10:24:21 mycroft Exp $
 
 ;	@(#)syscalls.master	8.2 (Berkeley) 1/13/94
@@ -179,8 +179,7 @@
 			    const struct timeval *tptr); }
 77	STD		{ int sys_futimes(int fd, \
 			    const struct timeval *tptr); }
-78	STD		{ int sys_mincore(void *addr, size_t len, \
-			    char *vec); }
+78	UNIMPL		mincore
 79	STD NOLOCK	{ int sys_getgroups(int gidsetsize, \
 			    gid_t *gidset); }
 80	STD		{ int sys_setgroups(int gidsetsize, \

sys/sys/mman.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: mman.h,v 1.32 2018/02/11 05:11:50 deraadt Exp $	*/
+/*	$OpenBSD: mman.h,v 1.33 2019/01/11 18:46:30 deraadt Exp $	*/
 /*	$NetBSD: mman.h,v 1.11 1995/03/26 20:24:23 jtc Exp $	*/
 
 /*-
@@ -152,7 +152,6 @@ int	mlockall(int);
 int	munlockall(void);
 #if __BSD_VISIBLE
 int	madvise(void *, size_t, int);
-int	mincore(void *, size_t, char *);
 int	minherit(void *, size_t, int);
 void *	mquery(void *, size_t, int, int, int, off_t);
 #endif

sys/sys/syscall.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: syscall.h,v 1.198 2018/07/30 19:10:50 mpi Exp $	*/
+/*	$OpenBSD: syscall.h,v 1.199 2019/01/11 18:46:30 deraadt Exp $	*/
 
 /*
  * System call numbers.
@@ -237,9 +237,6 @@
 /* syscall: "futimes" ret: "int" args: "int" "const struct timeval *" */
 #define	SYS_futimes	77
 
-/* syscall: "mincore" ret: "int" args: "void *" "size_t" "char *" */
-#define	SYS_mincore	78
-
 /* syscall: "getgroups" ret: "int" args: "int" "gid_t *" */
 #define	SYS_getgroups	79
 

sys/sys/syscallargs.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: syscallargs.h,v 1.201 2018/07/30 19:10:50 mpi Exp $	*/
+/*	$OpenBSD: syscallargs.h,v 1.202 2019/01/11 18:46:30 deraadt Exp $	*/
 
 /*
  * System call argument lists.
@@ -370,12 +370,6 @@ struct sys_futimes_args {
 	syscallarg(const struct timeval *) tptr;
 };
 
-struct sys_mincore_args {
-	syscallarg(void *) addr;
-	syscallarg(size_t) len;
-	syscallarg(char *) vec;
-};
-
 struct sys_getgroups_args {
 	syscallarg(int) gidsetsize;
 	syscallarg(gid_t *) gidset;
@@ -1189,7 +1183,6 @@ int	sys_mprotect(struct proc *, void *, register_t *);
 int	sys_madvise(struct proc *, void *, register_t *);
 int	sys_utimes(struct proc *, void *, register_t *);
 int	sys_futimes(struct proc *, void *, register_t *);
-int	sys_mincore(struct proc *, void *, register_t *);
 int	sys_getgroups(struct proc *, void *, register_t *);
 int	sys_setgroups(struct proc *, void *, register_t *);
 int	sys_getpgrp(struct proc *, void *, register_t *);