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Date:   Wed, 12 Dec 2018 11:25:26 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To:     Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc:     Petr Mladek <pmladek@suse.com>, Dmitry Vyukov <dvyukov@google.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        LKML <linux-kernel@vger.kernel.org>,
        syzkaller <syzkaller@googlegroups.com>
Subject: Re: [PATCH] printk: Add caller information to printk() output.
Message-ID: <20181212022526.GB431@jagdpanzerIV>
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On (12/11/18 19:26), Tetsuo Handa wrote:
> @@ -688,12 +701,21 @@ static ssize_t msg_print_ext_header(char *buf, size_t size,
>  				    struct printk_log *msg, u64 seq)
>  {
>  	u64 ts_usec = msg->ts_nsec;
> +	char from[18];

[..]

> +#ifdef CONFIG_PRINTK_FROM
> +static size_t print_from(u32 id, char *buf)
> +{
> +	char from[12];

Are those supposed to be of different sizes: 18 and 12?

	-ss