[PATCH net v3] rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present

[Fernando Fernandez Mancera]

On 5/10/26 7:03 PM, Jakub Kicinski wrote:
> On Mon, 11 May 2026 01:48:39 +0900 Hyunwoo Kim wrote:
>> On Sun, May 10, 2026 at 08:45:20AM -0700, Jakub Kicinski wrote:
>>> On Fri, 8 May 2026 17:53:09 +0900 Hyunwoo Kim wrote:
>>>>   			    sp->hdr.securityIndex != 0 &&
>>>> -			    skb_cloned(skb)) {
>>>> +			    (skb_cloned(skb) ||
>>>> +			     skb_has_frag_list(skb) ||
>>>> +			     skb_has_shared_frag(skb))) {
>>>
>>> We seem to be getting a lot of fixes for this issue, and this one is
>>> incorrect :| Writing to _any_ frags is incorrect. You have to copy
>>> if skb is not linear. skb_ensure_writable()
>>
>> I was testing a patch based on skb_ensure_writable() but it seems v3
>> has just been merged to mainline...
>>
>> What would be the best way to proceed?
> 
> Depends on the tree. Where was it merged?
> 

It is already on linus' tree.

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aa54b1d27fe0c2b78e664a34fd0fdf7cd1960d71