linux-kernel - Re: [PATCH net] benet: fix BUG when creating VFs

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Message-ID: <20250804172055.0b865696@kernel.org>
Date: Mon, 4 Aug 2025 17:20:55 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Michal Schmidt <mschmidt@...hat.com>
Cc: Ajit Khaparde <ajit.khaparde@...adcom.com>, Sriharsha Basavapatna
 <sriharsha.basavapatna@...adcom.com>, Somnath Kotur
 <somnath.kotur@...adcom.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David
 S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo
 Abeni <pabeni@...hat.com>, Nikolay Aleksandrov <razor@...ckwall.org>,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] benet: fix BUG when creating VFs

On Fri,  1 Aug 2025 12:13:37 +0200 Michal Schmidt wrote:
> benet crashes as soon as SRIOV VFs are created:

>  err:
> -	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
>  	spin_unlock_bh(&adapter->mcc_lock);
> +	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
>  	return status;
>  }
>  

Quick grep reveals an identical problem in be_cmd_get_phy_info() ?
Or is this bug size-sensitive ? I don't see the vunmap call..