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Message-Id:
<169355222610.20762.15768271551540080758.git-patchwork-notify@kernel.org>
Date: Fri, 01 Sep 2023 07:10:26 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Mohamed Khalfella <mkhalfella@...estorage.com>
Cc: willemdebruijn.kernel@...il.com, alexanderduyck@...com,
bpf@...r.kernel.org, brouer@...hat.com, davem@...emloft.net,
dhowells@...hat.com, edumazet@...gle.com, keescook@...omium.org,
kuba@...nel.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
pabeni@...hat.com, willemb@...gle.com, stable@...r.kernel.org
Subject: Re: [PATCH v3] skbuff: skb_segment,
Call zero copy functions before using skbuff frags
Hello:
This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:
On Thu, 31 Aug 2023 02:17:02 -0600 you wrote:
> Commit bf5c25d60861 ("skbuff: in skb_segment, call zerocopy functions
> once per nskb") added the call to zero copy functions in skb_segment().
> The change introduced a bug in skb_segment() because skb_orphan_frags()
> may possibly change the number of fragments or allocate new fragments
> altogether leaving nrfrags and frag to point to the old values. This can
> cause a panic with stacktrace like the one below.
>
> [...]
Here is the summary with links:
- [v3] skbuff: skb_segment, Call zero copy functions before using skbuff frags
https://git.kernel.org/netdev/net/c/2ea35288c83b
You are awesome, thank you!
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