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

From: [email-masked]
Date: Fri, 01 Sep 2023 07:10:26 +0000

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <[email-masked]>:

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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