linux-kernel - [PATCH 45/50] gigaset: don't try to printk userland buffer contents

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 13 Sep 2018 03:40:44 +0100
From:   Al Viro <viro@...IV.linux.org.uk>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 45/50] gigaset: don't try to printk userland buffer contents

From: Al Viro <viro@...iv.linux.org.uk>

especially when you've just copied it in...

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 drivers/isdn/gigaset/interface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 600c79b030cd..f9698c0c3885 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -206,7 +206,7 @@ static int if_ioctl(struct tty_struct *tty,
 				? -EFAULT : 0;
 			if (retval >= 0) {
 				gigaset_dbg_buffer(DEBUG_IF, "GIGASET_BRKCHARS",
-						   6, (const unsigned char *) arg);
+						   6, buf);
 				retval = cs->ops->brkchars(cs, buf);
 			}
 			break;
-- 
2.11.0