netdev - Re: [PATCH net-next] net: dsa: b53: Fix statistics readings

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: <20160621020107.GE20362@lunn.ch>
Date:	Tue, 21 Jun 2016 04:01:07 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	vivien.didelot@...oirfairelinux.com, jogo@...nwrt.org
Subject: Re: [PATCH net-next] net: dsa: b53: Fix statistics readings

On Mon, Jun 20, 2016 at 06:26:53PM -0700, Florian Fainelli wrote:
> Due to a typo we would always be using the MIB counter width of the
> first element of the counter array instead of the current element, and
> we would always be accessing the register statistics with a 64-bits
> read, while some could be 32-bits. This got unnoticed in testing with
> MDIO and SRAB which tolerate doing this, but testing with the SPI bus
> revealed bogus values being returned. Fix this by using the proper
> iterator here.
> 
> Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch")
> Reported-by: Jonas Gorski <jogo@...nwrt.org>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew