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

On Thu, Aug 20, 2026 at 1:31 PM [off-list ref] wrote:

Hello:

This series was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Fri, 14 Aug 2026 19:13:30 +0000 you wrote:

quoted

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