netdev - Re: [PATCH net] net: pse-pd: Fix out of bound for loop

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Message-ID: <20241015132838.GB2162@kernel.org>
Date: Tue, 15 Oct 2024 14:28:38 +0100
From: Simon Horman <horms@...nel.org>
To: Kory Maincent <kory.maincent@...tlin.com>
Cc: Andrew Lunn <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Kyle Swenson <kyle.swenson@....tech>, thomas.petazzoni@...tlin.com,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net] net: pse-pd: Fix out of bound for loop

On Tue, Oct 15, 2024 at 03:02:54PM +0200, Kory Maincent wrote:
> Adjust the loop limit to prevent out-of-bounds access when iterating over
> PI structures. The loop should not reach the index pcdev->nr_lines since
> we allocate exactly pcdev->nr_lines number of PI structures. This fix
> ensures proper bounds are maintained during iterations.
> 
> Fixes: 9be9567a7c59 ("net: pse-pd: Add support for PSE PIs")
> Signed-off-by: Kory Maincent <kory.maincent@...tlin.com>

Reviewed-by: Simon Horman <horms@...nel.org>