linux-kernel - Re: [PATCH v2] net: phy: fix phy_get_internal

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Date: Fri, 08 Mar 2024 10:20:31 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kévin L'hôpital <kevin.lhopital@...oirfairelinux@...eaurora.org,
	.com>@codeaurora.org
Cc: andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 dmurphy@...com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 enguerrand.de-ribaucourt@...oirfairelinux.com, rmk+kernel@...linux.org.uk
Subject: Re: [PATCH v2] net: phy: fix phy_get_internal_delay accessing an empty
 array

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Thu,  7 Mar 2024 12:19:06 +0100 you wrote:
> The phy_get_internal_delay function could try to access to an empty
> array in the case that the driver is calling phy_get_internal_delay
> without defining delay_values and rx-internal-delay-ps or
> tx-internal-delay-ps is defined to 0 in the device-tree.
> This will lead to "unable to handle kernel NULL pointer dereference at
> virtual address 0". To avoid this kernel oops, the test should be delay
> >= 0. As there is already delay < 0 test just before, the test could
> only be size == 0.
> 
> [...]

Here is the summary with links:
  - [v2] net: phy: fix phy_get_internal_delay accessing an empty array
    https://git.kernel.org/netdev/net/c/4469c0c5b14a

You are awesome, thank you!
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