Description: net/smc: fix kernel panic caused by race of smc_sock
References:
Notes:
 carnil> Introduced in 5f08318f617b ("smc: connection data control (CDC)"). Vulnerable
 carnil> versions: 4.11-rc1.
Bugs:
upstream: released (5.16-rc8) [349d43127dac00c15231e8ffbcaabd70f7b0e544]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.90) [e8a5988a85c719ce7205cb00dcf0716dcf611332]
4.19-upstream-stable: needed
sid: released (5.15.15-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: released (5.10.92-1)
4.19-buster-security: needed