From: patchwork-bot+netdevbpf@kernel.org
To: Quan Sun <2022090917019@std.uestc.edu.cn>
Cc: netdev@vger.kernel.org, maxime.chevallier@bootlin.com,
andrew@lunn.ch, kuba@kernel.org, edumazet@google.com,
pabeni@redhat.com
Subject: Re: [PATCH net v2] net: ethtool: fix NULL pointer dereference in phy_reply_size
Date: Fri, 08 May 2026 22:40:07 +0000 [thread overview]
Message-ID: <177828000780.878212.13962692522047721706.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260507131738.1173835-1-2022090917019@std.uestc.edu.cn>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 7 May 2026 21:17:38 +0800 you wrote:
> In phy_prepare_data(), several strings such as 'name', 'drvname',
> 'upstream_sfp_name', and 'downstream_sfp_name' are allocated using
> kstrdup(). However, these allocations were not checked for failure.
>
> If kstrdup() fails for 'name', it returns NULL while the function
> continues. This leads to a kernel NULL pointer dereference and panic
> later in phy_reply_size() when it unconditionally calls strlen() on
> the NULL pointer.
>
> [...]
Here is the summary with links:
- [net,v2] net: ethtool: fix NULL pointer dereference in phy_reply_size
https://git.kernel.org/netdev/net/c/4908f1395fb1
You are awesome, thank you!
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prev parent reply other threads:[~2026-05-08 22:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-07 13:17 [PATCH net v2] net: ethtool: fix NULL pointer dereference in phy_reply_size Quan Sun
2026-05-07 15:39 ` Maxime Chevallier
2026-05-08 22:31 ` Jakub Kicinski
2026-05-08 22:40 ` patchwork-bot+netdevbpf [this message]
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