1 files changed, 11 insertions, 23 deletions

diff --git a/sys/compat/freebsd32/freebsd32_misc.c b/sys/compat/freebsd32/freebsd32_misc.c
index 5cda21be68f8..35b5164d6be9 100644
--- a/sys/compat/freebsd32/freebsd32_misc.c
+++ b/sys/compat/freebsd32/freebsd32_misc.c
@@ -3180,35 +3180,23 @@ freebsd32_copyout_strings(struct image_params *imgp)
 	destp -= ARG_MAX - imgp->args->stringspace;
 	destp = rounddown2(destp, sizeof(uint32_t));
 
-	/*
-	 * If we have a valid auxargs ptr, prepare some room
-	 * on the stack.
-	 */
+	vectp = (uint32_t *)destp;
 	if (imgp->auxargs) {
 		/*
-		 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for
-		 * lower compatibility.
-		 */
-		imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size
-			: (AT_COUNT * 2);
-		/*
-		 * The '+ 2' is for the null pointers at the end of each of
-		 * the arg and env vector sets,and imgp->auxarg_size is room
-		 * for argument of Runtime loader.
-		 */
-		vectp = (u_int32_t *) (destp - (imgp->args->argc +
-		    imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) *
-		    sizeof(u_int32_t));
-	} else {
-		/*
-		 * The '+ 2' is for the null pointers at the end of each of
-		 * the arg and env vector sets
+		 * Allocate room on the stack for the ELF auxargs
+		 * array.  It has up to AT_COUNT entries.
 		 */
-		vectp = (u_int32_t *)(destp - (imgp->args->argc +
-		    imgp->args->envc + 2) * sizeof(u_int32_t));
+		vectp -= howmany(AT_COUNT * sizeof(Elf32_Auxinfo),
+		    sizeof(*vectp));
 	}
 
 	/*
+	 * Allocate room for the argv[] and env vectors including the
+	 * terminating NULL pointers.
+	 */
+	vectp -= imgp->args->argc + 1 + imgp->args->envc + 1;
+
+	/*
 	 * vectp also becomes our initial stack base
 	 */
 	stack_base = vectp;