netdev - Re: [PATCH net] isdn: fix kernel-infoleak in capi_unlocked

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Message-Id: <20190102.103218.1096442508479432463.davem@davemloft.net>
Date:   Wed, 02 Jan 2019 10:32:18 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        syzkaller@...glegroups.com, isdn@...ux-pingi.de
Subject: Re: [PATCH net] isdn: fix kernel-infoleak in capi_unlocked_ioctl

From: Eric Dumazet <edumazet@...gle.com>
Date: Wed,  2 Jan 2019 09:20:27 -0800

> Since capi_ioctl() copies 64 bytes after calling
> capi20_get_manufacturer() we need to ensure to not leak
> information to user.
...
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Reported-by: syzbot <syzkaller@...glegroups.com>
> Cc: Karsten Keil <isdn@...ux-pingi.de>

Applied and queued up for -stable.