diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2015-02-16 05:23:44 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2015-02-16 05:23:44 +0000 |
| commit | b816c1f65d3f19a3b5bc58d0525b05626d459161 (patch) | |
| tree | 3d226f546852d86e739f4f137a7901511e814406 /sys | |
| parent | 44f40f71730f2ae11e5e967e9cb8c06b0dbfe653 (diff) | |
In exec_setup_stack(), move the stack in the right direction if
MACHINE_STACK_GROWS_UP.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/exec_subr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/kern/exec_subr.c b/sys/kern/exec_subr.c index 1e34ed57b50..17ff312c3db 100644 --- a/sys/kern/exec_subr.c +++ b/sys/kern/exec_subr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: exec_subr.c,v 1.48 2015/02/09 11:52:47 miod Exp $ */ +/* $OpenBSD: exec_subr.c,v 1.49 2015/02/16 05:23:43 miod Exp $ */ /* $NetBSD: exec_subr.c,v 1.9 1994/12/04 03:10:42 mycroft Exp $ */ /* @@ -345,8 +345,13 @@ exec_setup_stack(struct proc *p, struct exec_package *epp) sgap = arc4random() & (stackgap_random - 1); sgap = trunc_page(sgap); +#ifdef MACHINE_STACK_GROWS_UP + epp->ep_maxsaddr += sgap; + epp->ep_minsaddr += sgap; +#else epp->ep_maxsaddr -= sgap; epp->ep_minsaddr -= sgap; +#endif } /* |