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From: Joe Perches <joe@perches.com>
To: Petr Mladek <pmladek@suse.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Jason Wessel <jason.wessel@windriver.com>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	Chris Mason <clm@fb.com>, Josef Bacik <jbacik@fb.com>,
	David Sterba <dsterba@suse.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] printk/btrfs: Handle more message headers
Date: Thu, 27 Oct 2016 09:12:17 -0700	[thread overview]
Message-ID: <1477584737.30917.1.camel@perches.com> (raw)
In-Reply-To: <1477583574-30988-4-git-send-email-pmladek@suse.com>

On Thu, 2016-10-27 at 17:52 +0200, Petr Mladek wrote:
> Note that 3 bytes should be enough for the header buffer. I am not
> sure where the 4 bytes came from. Maybe it expected that both
> KERN_SOH and the log level strings end with '\0' but they
> are concatenated.

I believe it was from when KERN_<LEVEL> was ascii "<[0-7]>"
and not KERN_SOH "[0-7]".  I just didn't change the size.

see: commit e2aed8dfa50b ("btrfs: use printk_get_level and printk_skip_level, add __printf, fix fallout")

  reply	other threads:[~2016-10-27 16:12 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-27 15:52 [PATCH 0/4] printk: Fixes and hardening related to KERN_CONT Petr Mladek
2016-10-27 15:52 ` [PATCH 1/4] printk/NMI: Handle continuous lines and missing newline Petr Mladek
2016-10-27 16:35   ` Joe Perches
2016-10-28  4:08     ` Sergey Senozhatsky
2016-10-31  8:51   ` David Sterba
2016-10-27 15:52 ` [PATCH 2/4] printk/kdb: Handle more message headers Petr Mladek
2016-10-27 16:57   ` Joe Perches
2016-10-27 15:52 ` [PATCH 3/4] printk/btrfs: " Petr Mladek
2016-10-27 16:12   ` Joe Perches [this message]
2016-10-31  8:57   ` David Sterba
2016-10-27 15:52 ` [PATCH 4/4] printk/sound: " Petr Mladek

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