diff options
| author |   jca <jca@openbsd.org> | 2016-09-03 14:28:24 +0000 |
|---|---|---|
| committer | jca <jca@openbsd.org> | 2016-09-03 14:28:24 +0000 |
| commit | 131b88b7644b35e8c11076b61c4b82a23c06b3f6 (patch) | |
| tree | 92d37d1df5098b65a83257577446641b0fa51818 /sys/kern/kern_exec.c | |
| parent | Increase the number of mbufs on most architectures. This is based (diff) | |
| download | wireguard-openbsd-131b88b7644b35e8c11076b61c4b82a23c06b3f6.tar.xz wireguard-openbsd-131b88b7644b35e8c11076b61c4b82a23c06b3f6.zip | |
Reset PS_WXNEEDED in execve(2).
The new process should inherit wxneeded perms from the ELF executable only,
not from the former process.
Solution improved by guenther@, ok guenther@ deraadt@, ok tedu@ on a similar
diff.
Diffstat (limited to 'sys/kern/kern_exec.c')
| -rw-r--r-- | sys/kern/kern_exec.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index 09f551225bd..6eb928204f0 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_exec.c,v 1.182 2016/06/11 21:00:11 kettenis Exp $ */ +/* $OpenBSD: kern_exec.c,v 1.183 2016/09/03 14:28:24 jca Exp $ */ /* $NetBSD: kern_exec.c,v 1.75 1996/02/09 18:59:28 christos Exp $ */ /*- @@ -700,6 +700,8 @@ sys_execve(struct proc *p, void *v, register_t *retval) if (pack.ep_flags & EXEC_WXNEEDED) p->p_p->ps_flags |= PS_WXNEEDED; + else + p->p_p->ps_flags &= ~PS_WXNEEDED; /* * Call exec hook. Emulation code may NOT store reference to anything |