From 5e9d8657675a79b17f00e625749214e79bf116a1 Mon Sep 17 00:00:00 2001
From: Felix Janda <felix.janda@posteo.de>
Date: Sun, 30 Dec 2012 11:53:27 +0100
Subject: Fix invalid free in toysh.

---
 toys/posix/sh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toys/posix/sh.c b/toys/posix/sh.c
index 32d05ec2..2f09f63b 100644
--- a/toys/posix/sh.c
+++ b/toys/posix/sh.c
@@ -305,7 +305,7 @@ static void run_pipeline(struct pipeline *line)
       tl->toy_main();
     }
     cmd->pid = toys.exitval;
-    free(toys.optargs);
+    if (toys.optargs != toys.argv+1) free(toys.optargs);
     if (toys.old_umask) umask(toys.old_umask);
     memcpy(&toys, &temp, sizeof(struct toy_context));
   } else {
-- 
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