From: Kees Cook <keescook@chromium.org>
Date: Thu, 22 May 2014 18:57:16 +0000 (-0700)
Subject: staging/rtl8821ae: avoid format string leak to thread name
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6fdb1f4fb05998bb255cf4e2605bc5f0e842eb24;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

staging/rtl8821ae: avoid format string leak to thread name

This makes sure the cfg->name can never accidentally be processed as a
format string in the worker thread name.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/rtl8821ae/base.c b/drivers/staging/rtl8821ae/base.c
index a4c9cc437bc6..49ee311ddcd9 100644
--- a/drivers/staging/rtl8821ae/base.c
+++ b/drivers/staging/rtl8821ae/base.c
@@ -404,7 +404,8 @@ static int _rtl_init_deferred_work(struct ieee80211_hw *hw)
 /*<delete in kernel start>*/
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
 /*<delete in kernel end>*/
-	rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0);
+	rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0,
+						rtlpriv->cfg->name);
 /*<delete in kernel start>*/
 #else
 	rtlpriv->works.rtl_wq = create_workqueue(rtlpriv->cfg->name);