RE: [EXTERNAL] Re: [PATCH net v3 1/2] net: mana: Validate the packet length reported by the NIC

Dexuan Cui <[email protected]>
Newsgroups org.kernel.vger.linux-hyperv,org.kernel.vger.linux-kernel,org.kernel.vger.linux-rdma,org.kernel.vger.netdev,org.kernel.vger.stable
Message-ID <DS4PR21MB6914481C0041A113F5791238BFFF2@DS4PR21MB6914.namprd21.prod.outlook.com>
> From: Paolo Abeni <[email protected]>
> Sent: Wednesday, July 8, 2026 3:57 AM
> ...
> On 7/2/26 6:12 AM, Dexuan Cui wrote:
> > Validate the packet length reported in the RX CQE before passing it
> > to skb processing. The CQE is supplied by the NIC device and should
> > not be blindly trusted.
> >
> > Cc: [email protected]
> 
> This need a Fixes: tag, to help stable team backport.

Please use:
Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)")

In this first commit of the driver, mana_process_rx_cqe() only checks if pktlen
is not zero, and later mana_process_rx_cqe() -> mana_rx_skb() uses the
'pkt_len' blindly.

> No need to repost: just reply here, and I'll add it while applying the
> patch.
> 
> Thanks,
> 
> Paolo

Thank you, Paolo!

Thanks,
-- Dexuan
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.