From 19ff3796618b6c2874addf4414c1ae6f2c0b50b2 Mon Sep 17 00:00:00 2001
From: l0stman <endian.sign@gmail.com>
Date: Tue, 10 Nov 2020 07:48:02 +0300
Subject: [PATCH] exec() only accepts MAXARG arguments

The terminating NULL string is already included (see sys_exec()).
---
 kernel/exec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/exec.c b/kernel/exec.c
index 26fc8ec..d62d29d 100644
--- a/kernel/exec.c
+++ b/kernel/exec.c
@@ -14,7 +14,7 @@ exec(char *path, char **argv)
 {
   char *s, *last;
   int i, off;
-  uint64 argc, sz = 0, sp, ustack[MAXARG+1], stackbase;
+  uint64 argc, sz = 0, sp, ustack[MAXARG], stackbase;
   struct elfhdr elf;
   struct inode *ip;
   struct proghdr ph;