After the erdma_cep_put(new_cep) being called, new_cep will be freed,
and the following dereference will cause a UAF problem. Fix this issue.
Fixes: 920d93eac8 ("RDMA/erdma: Add connection management (CM) support")
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
As suggested by Cong, introduce a tracepoint for all ->sk_data_ready()
callback implementations. For example:
<...>
iperf-609 [002] ..... 70.660425: sk_data_ready: family=2 protocol=6 func=sock_def_readable
iperf-609 [002] ..... 70.660436: sk_data_ready: family=2 protocol=6 func=sock_def_readable
<...>
Suggested-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Peilin Ye <peilin.ye@bytedance.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ERDMA's transport protocol is iWarp, so the driver must support CM
interface. In CM part, we use the same way as SoftiWarp: using kernel
socket to set up the connection, then performing MPA negotiation in
kernel. So, this part of code mainly comes from SoftiWarp, base on it,
we add some more features, such as non-blocking iw_connect implementation.
This commit also fixes a duplicated include issue reported by Abaci Robot.
Link: https://lore.kernel.org/r/20220727014927.76564-9-chengyou@linux.alibaba.com
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
