Re: [PATCH net v4 1/2] net: core: propagate unreadable flag in skb_zerocopy

[Mina Almasry]

On Thu, Aug 20, 2026 at 1:31 PM <patchwork-bot+netdevbpf@xxxxxxxxxx> wrote:
>
> Hello:
>
> This series was applied to netdev/net.git (main)
> by Jakub Kicinski <kuba@xxxxxxxxxx>:
>
> On Fri, 14 Aug 2026 19:13:30 +0000 you wrote:
> > skb_zerocopy() fails to propagate the unreadable flag when copying
> > unreadable fragments, causing target skbs to appear as readable memory.
> >
> > This patch fixes the flag propagation. Additionally, it returns -EFAULT
> > if readable fragments are mixed with unreadable fragments during
> > extraction, and returns -EFAULT in openvswitch queue_userspace_packet().
> >
> > [...]
>
> Here is the summary with links:
>   - [net,v4,1/2] net: core: propagate unreadable flag in skb_zerocopy
>     https://git.kernel.org/netdev/net/c/68d8c6532659
>   - [net,v4,2/2] net: tcp: block mixing readable and unreadable frags
>     https://git.kernel.org/netdev/net/c/d9c56501c72f
>
> You are awesome, thank you!
> --
> Deet-doot-dot, I am a bot.
> https://korg.docs.kernel.org/patchwork/pwbot.html
>
>

Thank you sir for picking this up. I was mildly concerned about going
down this "also this bit is broken" clashiko hole forever. I'll work
on submitting fixes for the other pre-existing issues separately.

-- 
Thanks,
Mina