From: patchwork-bot+netdevbpf@kernel.org
To: Kuniyuki Iwashima <kuniyu@amazon.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, kuni1840@gmail.com, netdev@vger.kernel.org,
syzkaller@googlegroups.com, doebel@amazon.de
Subject: Re: [PATCH v1 net] arp: Prevent overflow in arp_req_get().
Date: Tue, 20 Feb 2024 10:00:26 +0000 [thread overview]
Message-ID: <170842322630.30293.18107902549214812009.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240215230516.31330-1-kuniyu@amazon.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Thu, 15 Feb 2024 15:05:16 -0800 you wrote:
> syzkaller reported an overflown write in arp_req_get(). [0]
>
> When ioctl(SIOCGARP) is issued, arp_req_get() looks up an neighbour
> entry and copies neigh->ha to struct arpreq.arp_ha.sa_data.
>
> The arp_ha here is struct sockaddr, not struct sockaddr_storage, so
> the sa_data buffer is just 14 bytes.
>
> [...]
Here is the summary with links:
- [v1,net] arp: Prevent overflow in arp_req_get().
https://git.kernel.org/netdev/net/c/a7d6027790ac
You are awesome, thank you!
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prev parent reply other threads:[~2024-02-20 10:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-15 23:05 [PATCH v1 net] arp: Prevent overflow in arp_req_get() Kuniyuki Iwashima
2024-02-20 10:00 ` patchwork-bot+netdevbpf [this message]
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