diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-06-17 11:11:14 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-06-17 11:11:14 +0000 |
| commit | 38db754b25174070ed136b30600e0bcc16dc5822 (patch) | |
| tree | 6ede5e261dc3fa5116b6facb5742431e45bd2dea /sys/compat/ultrix/ultrix_misc.c | |
| parent | 756200b35a82da5cf261e44482d92c2054bd2f30 (diff) | |
careful with stackgap handling in execve()
Diffstat (limited to 'sys/compat/ultrix/ultrix_misc.c')
| -rw-r--r-- | sys/compat/ultrix/ultrix_misc.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/sys/compat/ultrix/ultrix_misc.c b/sys/compat/ultrix/ultrix_misc.c index f32778caa8b..b79f6300c7e 100644 --- a/sys/compat/ultrix/ultrix_misc.c +++ b/sys/compat/ultrix/ultrix_misc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ultrix_misc.c,v 1.11 1997/04/12 19:58:02 graichen Exp $ */ +/* $OpenBSD: ultrix_misc.c,v 1.12 1997/06/17 11:11:13 deraadt Exp $ */ /* $NetBSD: ultrix_misc.c,v 1.23 1996/04/07 17:23:04 jonathan Exp $ */ /* @@ -591,10 +591,20 @@ ultrix_sys_execve(p, v, retval) void *v; register_t *retval; { - struct ultrix_sys_execve_args *uap = v; - - caddr_t sg = stackgap_init(p->p_emul); + struct ultrix_sys_execve_args /* { + syscallarg(char *) path; + syscallarg(char **) argv; + syscallarg(char **) envp; + } */ *uap = v; + struct sys_execve_args ap; + caddr_t sg; + + sg = stackgap_init(p->p_emul); ULTRIX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); - return (sys_execve(p, (struct sys_execve_args *)&uap, retval)); + SCARG(&ap, path) = SCARG(uap, path); + SCARG(&ap, argp) = SCARG(uap, argp); + SCARG(&ap, envp) = SCARG(uap, envp); + + return (sys_execve(p, &ap, retval)); } |