From edf7adf21e1c210e5954b1128efb61b62f6da274 Mon Sep 17 00:00:00 2001
From: JP Abgrall <jpa@google.com>
Date: Wed, 12 Mar 2014 10:41:05 -0700
Subject: [PATCH] Avoid segv by checking argc in "storage user <mountpoint>"

Change-Id: Iffd67746e2e273c4c3f87741e5f13aa511ccb557
Signed-off-by: JP Abgrall <jpa@google.com>
---
 CommandListener.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CommandListener.cpp b/CommandListener.cpp
index ea18c1d..c8d6848 100644
--- a/CommandListener.cpp
+++ b/CommandListener.cpp
@@ -242,6 +242,10 @@ int CommandListener::StorageCmd::runCommand(SocketClient *cli,
         DIR *dir;
         struct dirent *de;
 
+        if (argc < 3) {
+            cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing Argument: user <mountpoint>", false);
+            return 0;
+        }
         if (!(dir = opendir("/proc"))) {
             cli->sendMsg(ResponseCode::OperationFailed, "Failed to open /proc", true);
             return 0;