linux-kernel - Re: [PATCH] printk: fix integer overflow in setup_log

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Message-ID: <20181012092724.GB19882@jagdpanzerIV>
Date:   Fri, 12 Oct 2018 18:27:24 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-kernel@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: Re: [PATCH] printk: fix integer overflow in setup_log_buf()

On (10/12/18 11:01), Petr Mladek wrote:
> > Make "free" unsigned integer and use appropriate printk() specifier.
> > 
> > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> 
> I have pushed this fix into printk.git, for-4.20 branch.

Thanks.

> Please note that this 2nd hunk was already part of the commit
> e6fe3e5b7d16e8f14 ("printk: Give error on attempt to set log
> buffer length to over 2G"), see
> https://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk.git/commit/?h=for-4.20&id=e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e

Oh, indeed. I guess I used linux-next which didn't have your commit.

	-ss