On Fri, Jul 21, 2023 at 03:50:17PM -0500, Bob Pearson wrote: > In cable pull testing some NICs can hold a send packet long enough > to allow ulp protocol stacks to destroy the qp and the cleanup > routines to timeout waiting for all qp references to be released. > When the NIC driver finally frees the SKB the qp pointer is no longer > valid and causes a seg fault in rxe_skb_tx_dtor(). > > This patch passes the qp index instead of the qp to the skb destructor > callback function. The call back is required to lookup the qp from the > index and if it has been destroyed the lookup will return NULL and the > qp will not be referenced avoiding the seg fault. And what if it is a different QP returned? Jason
