o Split out kernel part of execve(2) syscall into two parts: one that

  copies arguments into the kernel space and one that operates
  completely in the kernel space;

o use kernel-only version of execve(2) to kill another stackgap in
  linuxlator/i386.

Obtained from:  DragonFlyBSD (partially)
MFC after:      2 weeks

1 files changed, 1 insertions, 6 deletions

diff --git a/sys/kern/imgact_aout.c b/sys/kern/imgact_aout.c
index 9263384..12086fa 100644
--- a/sys/kern/imgact_aout.c
+++ b/sys/kern/imgact_aout.c
@@ -90,7 +90,7 @@ aout_fixup(stack_base, imgp)
 	struct image_params *imgp;
 {
 
-	return (suword(--(*stack_base), imgp->argc));
+	return (suword(--(*stack_base), imgp->args->argc));
 }
 
 static int
@@ -187,11 +187,6 @@ exec_aout_imgact(imgp)
 	}
 	PROC_UNLOCK(imgp->proc);
 
-	/* copy in arguments and/or environment from old process */
-	error = exec_extract_strings(imgp);
-	if (error)
-		return (error);
-
 	/*
 	 * Destroy old process VM and create a new one (with a new stack)
 	 */