Re: [PATCH v3] skbuff: skb_segment, Call zero copy functions before using skbuff frags

From: patchwork-bot+netdevbpf
Date: Fri Sep 01 2023 - 03:10:38 EST


Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@xxxxxxxxxxxxx>:

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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