Re: [PATCH net] net: hsr: Fix potential use-after-free

[Paolo Abeni]

Hello,

On Wed, 2022-11-23 at 14:30 +0800, YueHaibing wrote:
> The skb is delivered to netif_rx() which may free it, after calling this,
> dereferencing skb may trigger use-after-free.
> 
> Fixes: f266a683a480 ("net/hsr: Better frame dispatch")
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>

The code looks good, but the above is not the commit introducing the
issue, it just move the netif_rx() and later skb access from somewhere
else.

Please go deeper in git history and find the change that originated the
issue.

Thanks,

Paolo