Re: [PATCH net 1/1] tcp: check skb is non-NULL in tcp_rto_delta_us()

From: Jason Xing
Date: Thu Aug 22 2024 - 23:28:08 EST


Hello Josh,

On Fri, Aug 23, 2024 at 11:02 AM Josh Hunt <johunt@xxxxxxxxxx> wrote:
>
> There have been multiple occassions where we have crashed in this path
> because packets_out suggested there were packets on the write or retransmit
> queues, but in fact there weren't leading to a NULL skb being dereferenced.

Could you show us the detailed splats and more information about it so
that we can know what exactly happened?

Thanks,
Jason