Description: net/smc: fix illegal rmb_desc access in SMC-D connection dump
References:
Notes:
 carnil> Introduced in 4b1b7d3b30a6 ("net/smc: add SMC-D diag support"). Vulnerable
 carnil> versions: 4.19-rc1.
Bugs:
upstream: released (6.8-rc2) [dbc153fd3c142909e564bb256da087e13fbf239c]
6.7-upstream-stable: released (6.7.3) [8f3f9186e5bb96a9c9654c41653210e3ea7e48a6]
6.6-upstream-stable: released (6.6.15) [a164c2922675d7051805cdaf2b07daffe44f20d9]
6.1-upstream-stable: released (6.1.76) [6994dba06321e3c48fdad0ba796a063d9d82183a]
5.10-upstream-stable: released (5.10.210) [5fed92ca32eafbfae8b6bee8ca34cca71c6a8b6d]
4.19-upstream-stable: released (4.19.307) [27aea64838914c6122db5b8bd4bed865c9736f22]
sid: released (6.6.15-1)
6.1-bookworm-security: released (6.1.76-1)
5.10-bullseye-security: needed
4.19-buster-security: pending (4.19.309-1)