On 2024-02-02 17:32:20 [+0100], To bpf@xxxxxxxxxxxxxxx wrote:
> xsk_build_skb() allocates a page and adds it to the skb via
> skb_add_rx_frag() and specifies 0 for truesize. This leads to a warning
> in skb_add_rx_frag() with CONFIG_DEBUG_NET enabled because size is
> larger than truesize.
>
> Increasing truesize requires to add the same amount to socket's
> sk_wmem_alloc counter in order not to underflow the counter during
> release in the destructor (sock_wfree()).
>
> Pass the size of the allocated page as truesize to skb_add_rx_frag().
> Add this mount to socket's sk_wmem_alloc counter.
>
> Fixes: cf24f5a5feea ("xsk: add support for AF_XDP multi-buffer on Tx path")
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Is this stuck somewhere or just waiting for review/ etc?
Patchwork says new and the ci failure on s390x seems unrelated.
Sebastian
