linux-kernel - Re: [PATCH v4 4/9] vsprintf: Consolidate handling of unknown pointer specifiers

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20180407011714.GC386@tigerII.localdomain>
Date:   Sat, 7 Apr 2018 10:17:14 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:     Joe Perches <joe@...ches.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Petr Mladek <pmladek@...e.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Tobin C . Harding" <me@...in.cc>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.cz>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 4/9] vsprintf: Consolidate handling of unknown pointer
 specifiers

On (04/06/18 18:00), Joe Perches wrote:
[..]
> This finds the current two bad uses in addition to
> the existing similar message for string concatenation
> without a space char between concatenated fragments.
> 
> For example:
> 
> WARNING: break quoted strings at a space character
> #3550: FILE: drivers/scsi/megaraid/megaraid_sas_base.c:3550:
> +			dev_notice(&instance->pdev->dev, "moving cmd[%d]:%p:%d:%p"
> +					"on the defer queue as internal\n",
> 
> WARNING: vsprintf %p<extension> string concatenation
> #3550: FILE: drivers/scsi/megaraid/megaraid_sas_base.c:3550:
> +			dev_notice(&instance->pdev->dev, "moving cmd[%d]:%p:%d:%p"
> +					"on the defer queue as internal\n",
> 
> I think the new message is not that useful really as the
> existing warning is probably enough.

Oh, so we already have it... Didn't know that. Yes, I think the existing
one is good enough. Thanks for the pointers.

	-ss