linux-kernel - Re: [PATCH] tty_io: Fix a missing-check bug in drivers/tty/tty

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]

Message-ID: <20190522111828.GB5849@zhanggen-UX430UQ>
Date:   Wed, 22 May 2019 19:18:28 +0800
From:   Gen Zhang <blackgod016574@...il.com>
To:     Jiri Slaby <jslaby@...e.cz>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tty_io: Fix a missing-check bug in drivers/tty/tty_io.c

On Wed, May 22, 2019 at 10:15:56AM +0200, Jiri Slaby wrote:
> Look at the top of alloc_tty_struct: there is tty_ldisc_init. If
> tty_get_device fails here, you have to call tty_ldisc_deinit. Better,
> you should add a failure-handling tail to this function and "goto" there.
Thanks for your explaination, Jiri.
I will work on it.
Thanks
Gen