linux-kernel - Re: [PATCH] printk: inject caller information into the body of message

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180914015516.GA1108@jagdpanzerIV>
Date:   Fri, 14 Sep 2018 10:55:16 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Dmitriy Vyukov <dvyukov@...gle.com>,
        penguin-kernel@...ove.sakura.ne.jp,
        kbuild test robot <fengguang.wu@...el.com>, pmladek@...e.com,
        syzkaller <syzkaller@...glegroups.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] printk: inject caller information into the body of
 message

On (09/13/18 21:12), Steven Rostedt wrote:
> >  
> > +#define __SEQ_BUF_INITIALIZER(buf, length) {				\
> > +	.buffer			= (buf),				\
> > +	.size			= (length),				\
> > +	.len			= 0,					\
> > +	.readpos		= 0, }
> 
> Nit, but the end bracket '}' should be on it's own line. Even when
> part of a macro.

No prob, will change.

I thought about putting it on its own line, but then checked
include/linux/wait.h - __WAITQUEUE_INITIALIZER and
__WAIT_QUEUE_HEAD_INITIALIZER.

> > +#define DEFINE_PR_LINE(lev, name)					\
> > +	char		__line[__PR_LINE_BUF_SZ];			\
> 
> To protect against name space collision could you use:
> 
> 	char		__line_##name[__PR_LINE_BUF_SZ];

Yes.

> The rest looks fine to me.
> 
> Acked-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

Thanks.

Just, to make sure, we are OK with seq_buf dependency and want
anyone who wants to use pr_line to include linux/seq_buf.h?

	-ss