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Code Issues Releases Activity

Always include PROT_READ for Linux mmap operations.

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Submitted by:	Hannu Savolainen <hannu@voxware.pp.fi> via jkh
This commit is contained in:
Mike Smith 1997-04-28 02:53:17 +00:00
parent f50a491f78
commit 28f6972b6e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=25219
2 changed files with 4 additions and 4 deletions
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4
sys/compat/linux/linux_misc.c
View File

@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: linux_misc.c,v 1.26 1997/03/24 11:24:30 bde Exp $
* $Id: linux_misc.c,v 1.27 1997/04/01 08:39:06 bde Exp $
*/
#include <sys/param.h>
@ -611,7 +611,7 @@ linux_mmap(struct proc *p, struct linux_mmap_args *args, int *retval)
bsd_args.flags |= MAP_ANON;
bsd_args.addr = linux_args.addr;
bsd_args.len = linux_args.len;
bsd_args.prot = linux_args.prot;
bsd_args.prot = linux_args.prot | PROT_READ; /* always required */
bsd_args.fd = linux_args.fd;
bsd_args.pos = linux_args.pos;
bsd_args.pad = 0;

4
sys/i386/linux/linux_misc.c
View File

@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: linux_misc.c,v 1.26 1997/03/24 11:24:30 bde Exp $
* $Id: linux_misc.c,v 1.27 1997/04/01 08:39:06 bde Exp $
*/
#include <sys/param.h>
@ -611,7 +611,7 @@ linux_mmap(struct proc *p, struct linux_mmap_args *args, int *retval)
bsd_args.flags |= MAP_ANON;
bsd_args.addr = linux_args.addr;
bsd_args.len = linux_args.len;
bsd_args.prot = linux_args.prot;
bsd_args.prot = linux_args.prot | PROT_READ; /* always required */
bsd_args.fd = linux_args.fd;
bsd_args.pos = linux_args.pos;
bsd_args.pad = 0;