[PATCH 6.12.y v3 1/2] rxrpc: Fix conn-level packet handling to unshare RESPONSE packets

[Wentao Guan]

> On 11/05/26 13:11, Wentao Guan wrote:
> > [Readd rxrpc_skb_put_response_copy which missed in 016725807ce3 in v6.12.86]
> > Stable-dep-of: aa54b1d27fe0 ("rxrpc: Also unshare DATA/RESPONSE packets when
> > paged frags are present")

> Yes, I noticed this too.
Well

> But you got the commit wrong I think: (you probably meant)
Thanks, i paste wrong commit here, which i reported in
https://lore.kernel.org/stable/20260508083142.1752208-1-guanwentao@uniontech.com/
SUMMARY:
commit ("rxrpc: Fix potential UAF after skb_unshare() failure"):
bf20f46d94f1db38e6ffc0ca204a5fe0de01b495 v6.12
1f2740150f904bfa60e4bad74d65add3ccb5e7f8 upstream
is different

> Hence Wentao needs to add rxrpc_skb_put_response_copy() in this backport.
Yeah.

BRs
Wentao Guan