From: patchwork-bot+netdevbpf@kernel.org
To: Hyunwoo Kim <imv4bel@gmail.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, horms@kernel.org, kerneljasonxing@gmail.com,
kuniyu@google.com, mhal@rbox.co, jiayuan.chen@linux.dev,
steffen.klassert@secunet.com, ben@decadent.org.uk,
herbert@gondor.apana.org.au, dsahern@kernel.org,
sultan@kerneltoast.com, sd@queasysnail.net, malin89@huawei.com,
tanjingguo@huawei.com, aaron1esau@gmail.com,
netdev@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net v5] net: skbuff: propagate shared-frag marker through frag-transfer helpers
Date: Thu, 21 May 2026 09:50:05 +0000 [thread overview]
Message-ID: <177935700540.4004798.18308856421484516932.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <ageeJfJHwgzmKXbh@v4bel>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Sat, 16 May 2026 07:28:53 +0900 you wrote:
> Two frag-transfer helpers (__pskb_copy_fclone() and skb_shift()) fail
> to propagate the SKBFL_SHARED_FRAG bit in skb_shinfo()->flags when
> moving frags from source to destination. __pskb_copy_fclone() defers
> the rest of the shinfo metadata to skb_copy_header() after copying
> frag descriptors, but that helper only carries over gso_{size,segs,
> type} and never touches skb_shinfo()->flags; skb_shift() moves frag
> descriptors directly and leaves flags untouched. As a result, the
> destination skb keeps a reference to the same externally-owned or
> page-cache-backed pages while reporting skb_has_shared_frag() as
> false.
>
> [...]
Here is the summary with links:
- [net,v5] net: skbuff: propagate shared-frag marker through frag-transfer helpers
https://git.kernel.org/netdev/net/c/48f6a5356a33
You are awesome, thank you!
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prev parent reply other threads:[~2026-05-21 9:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-15 22:28 [PATCH net v5] net: skbuff: propagate shared-frag marker through frag-transfer helpers Hyunwoo Kim
2026-05-19 4:02 ` Rajat Gupta
2026-05-19 6:45 ` Hyunwoo Kim
2026-05-19 6:57 ` Hyunwoo Kim
2026-05-21 9:50 ` patchwork-bot+netdevbpf [this message]
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