From: Petr Mladek <pmladek@suse.com>
To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>,
LKML <linux-kernel@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
John Ogness <john.ogness@linutronix.de>
Subject: Re: KASAN: global-out-of-bounds in console_unlock
Date: Tue, 29 Sep 2020 14:10:16 +0200 [thread overview]
Message-ID: <20200929121016.GR6442@alley> (raw)
In-Reply-To: <20200928020752.GA871730@jagdpanzerIV.localdomain>
On Mon 2020-09-28 11:07:52, Sergey Senozhatsky wrote:
> Cc-ing John and Steven
>
> On (20/09/27 11:12), Dmitry Vyukov wrote:
> > Hi printk maintainers,
> >
> > I've got the following out-of-bounds in printk code.
> > This is on next-20200925. Config is attached.
> > This is just on pr_cont("\n"). Something overreads the string.
> >
> > ==================================================================
> > BUG: KASAN: global-out-of-bounds in memchr+0x65/0x80 lib/string.c:1058
> > Read of size 1 at addr ffffffff8c68c860 by task swapper/0/0
>
> Thanks for the report. I think this should be fixed by
> https://lore.kernel.org/lkml/20200926015526.8921-1-john.ogness@linutronix.de/
I agree with Sergey. This looks very much like the same problem.
Best Regards,
Petr
next prev parent reply other threads:[~2020-09-29 12:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-27 9:12 Dmitry Vyukov
2020-09-28 2:07 ` Sergey Senozhatsky
2020-09-29 12:10 ` Petr Mladek [this message]
2020-09-28 15:19 ` Steven Rostedt
2020-09-28 15:28 ` Dmitry Vyukov
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