Re: [PATCH net-next v3] net/ionic: avoid OOB TX partner lookup for hwstamp RXQ
From: Paolo Abeni
Date: Tue Aug 18 2026 - 07:17:26 EST
On 8/13/26 10:37 AM, Anand Khoje wrote:
> The dedicated hardware timestamp RX queue is allocated with q->index
> equal to lif->ionic->nrxqs_per_lif. The normal txqcqs array only
> contains the regular queue pairs, so using that index to set rxq->partner
> can read one entry past txqcqs[] and then write through the derived
> pointer.
> Only link RX/TX partners for normal queue-pair indexes. Leave the hwstamp
> RX queue unpaired, and make the XDP_TX path abort cleanly if an RX queue
> has no TX partner.
>
> Fixes: 8eeed8373e1c ("ionic: Add XDP_TX support")
> Signed-off-by: Anand Khoje <anand.a.khoje@xxxxxxxxxx>
> Reviewed-by: Si-Wei Liu <si-wei.liu@xxxxxxxxxx>
> Reviewed-by: Shannon Nelson <sln@xxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
This is net material, you should have set accordingly the target tree
into the subj prefix. Also your SoB should come last.
No need to resend just for this, but keep in mind for future submissions.
/P