diff options
| author |   schwarze <schwarze@openbsd.org> | 2016-09-12 00:54:30 +0000 |
|---|---|---|
| committer | schwarze <schwarze@openbsd.org> | 2016-09-12 00:54:30 +0000 |
| commit | f2a4299fa906908036cdf2fb6a77f5b8da01385c (patch) | |
| tree | e3569ad88230414bf440a3d98e1eaec8e5a017b2 /lib/libc/sys | |
| parent | When trying to run an ELF binary marked PT_OPENBSD_WXNEEDED from a (diff) | |
| download | wireguard-openbsd-f2a4299fa906908036cdf2fb6a77f5b8da01385c.tar.xz wireguard-openbsd-f2a4299fa906908036cdf2fb6a77f5b8da01385c.zip | |
document that running a W^X violating binary from file system mounted
without wxallowed causes EACCES
Diffstat (limited to 'lib/libc/sys')
| -rw-r--r-- | lib/libc/sys/execve.2 | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2 index 177ac515c4e..8ed94b3e789 100644 --- a/lib/libc/sys/execve.2 +++ b/lib/libc/sys/execve.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: execve.2,v 1.48 2016/03/27 02:07:46 millert Exp $ +.\" $OpenBSD: execve.2,v 1.49 2016/09/12 00:54:30 schwarze Exp $ .\" $NetBSD: execve.2,v 1.9 1995/02/27 12:32:25 cgd Exp $ .\" .\" Copyright (c) 1980, 1991, 1993 @@ -30,7 +30,7 @@ .\" .\" @(#)execve.2 8.3 (Berkeley) 1/24/94 .\" -.Dd $Mdocdate: March 27 2016 $ +.Dd $Mdocdate: September 12 2016 $ .Dt EXECVE 2 .Os .Sh NAME @@ -264,6 +264,15 @@ disabled .Pf ( Dv MNT_NOEXEC in .In sys/mount.h ) . +.It Bq Er EACCES +The new process file is marked with +.Xr ld 1 +.Fl z Cm wxneeded +to perform W^X violating operations, but it is located on a file +system not allowing such operations, being mounted without the +.Xr mount 8 +.Fl o Cm wxallowed +flag. .It Bq Er ENOEXEC The new process file has the appropriate access permission, but has an invalid magic number in its header. |