From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: Eric Dumazet <edumazet@google.com>
Cc: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org, eric.dumazet@gmail.com,
syzbot <syzkaller@googlegroups.com>,
Xin Long <lucien.xin@gmail.com>,
Willem de Bruijn <willemb@google.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Subject: Re: [PATCH net] net: do not allow gso_size to be set to GSO_BY_FRAGS
Date: Wed, 16 Aug 2023 11:54:32 -0300 [thread overview]
Message-ID: <ZNzjKM1F+a6PVRSr@t14s.localdomain> (raw)
In-Reply-To: <20230816142158.1779798-1-edumazet@google.com>
On Wed, Aug 16, 2023 at 02:21:58PM +0000, Eric Dumazet wrote:
> One missing check in virtio_net_hdr_to_skb() allowed
> syzbot to crash kernels again [1]
>
> Do not allow gso_size to be set to GSO_BY_FRAGS (0xffff),
> because this magic value is used by the kernel.
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
next prev parent reply other threads:[~2023-08-16 14:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-16 14:21 [PATCH net] net: do not allow gso_size to be set to GSO_BY_FRAGS Eric Dumazet
2023-08-16 14:40 ` Willem de Bruijn
2023-08-16 14:54 ` Marcelo Ricardo Leitner [this message]
2023-08-17 2:19 ` Xuan Zhuo
2023-08-17 6:17 ` Eric Dumazet
2023-08-17 6:48 ` Xuan Zhuo
2023-08-17 8:54 ` Xuan Zhuo
2023-08-17 19:00 ` patchwork-bot+netdevbpf
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