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From: Jonathan Dieter <jdieter@lesbg.com>
To: linux-kernel@vger.kernel.org
Cc: Valentina Manea <valentina.manea.m@gmail.com>,
	Shuah Khan <shuah@kernel.org>,
	Peter Senna Tschudin <peter.senna@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Krzysztof Opasiak <k.opasiak@samsung.com>,
	"open list:USB OVER IP DRIVER" <linux-usb@vger.kernel.org>
Subject: Re: [PATCH v4 1/2] usbip: Fix-format-overflow
Date: Thu, 16 Mar 2017 09:47:59 +0200	[thread overview]
Message-ID: <1489650479.2097.9.camel@lesbg.com> (raw)
In-Reply-To: <20170227083108.16391-1-jdieter@lesbg.com>

On Mon, 2017-02-27 at 10:31 +0200, Jonathan Dieter wrote:
> The usbip userspace tools call sprintf()/snprintf() and don't check for
> the return value which can lead the paths to overflow, truncating the
> final file in the path.
> 
> More urgently, GCC 7 now warns that these aren't checked with
> -Wformat-overflow, and with -Werror enabled in configure.ac, that makes
> these tools unbuildable.
> 
> This patch fixes these problems by replacing sprintf() with snprintf() in
> one place and adding checks for the return value of snprintf().
> 
> > Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
> > Signed-off-by: Jonathan Dieter <jdieter@lesbg.com>
> ---
> Changes since v3
>  * Cast sizeof to long unsigned when printing errors to fix building for 32-bit
>    architectures

Just wanted to check if there's anything else I need to do to make this
ready?

Thanks,
Jonathan

  parent reply	other threads:[~2017-03-16  7:56 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20170220205937epcas3p4e334a658cf4d67f4a7d5a4ae7ce10afc@epcas3p4.samsung.com>
2017-02-20 20:51 ` [PATCH 1/2] Fix format overflows Jonathan Dieter
2017-02-20 20:51   ` [PATCH 2/2] Fix implicit fallthrough warning Jonathan Dieter
2017-02-21  6:12   ` [PATCH 1/2] Fix format overflows Krzysztof Opasiak
2017-02-21  6:48     ` Jonathan Dieter
2017-02-21 17:50       ` Jonathan Dieter
2017-02-21 17:57         ` [PATCH v2 1/2] usbip: Fix-format-overflow Jonathan Dieter
2017-02-21 17:57           ` [PATCH v2 2/2] usbip: Fix implicit fallthrough warning Jonathan Dieter
2017-02-22  5:49           ` [PATCH v2 1/2] usbip: Fix-format-overflow Krzysztof Opasiak
2017-02-22 18:14             ` Jonathan Dieter
2017-02-22 18:17             ` [PATCH v3 " Jonathan Dieter
2017-02-22 18:18               ` [PATCH v3 2/2] usbip: Fix implicit fallthrough warning Jonathan Dieter
2017-02-27  8:31               ` [PATCH v4 1/2] usbip: Fix-format-overflow Jonathan Dieter
2017-02-27  8:31                 ` [PATCH v4 2/2] usbip: Fix implicit fallthrough warning Jonathan Dieter
2017-03-16  7:47                 ` Jonathan Dieter [this message]
2017-03-16 15:04                 ` [PATCH v4 1/2] usbip: Fix-format-overflow Shuah Khan
2017-03-17  1:37                   ` Greg Kroah-Hartman

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