Description: ksmbd: fix racy issue from smb2 close and logoff with multichannel
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2219809
 https://www.zerodayinitiative.com/advisories/ZDI-CAN-20796/
Notes:
Bugs:
upstream: released (6.4-rc1) [abcc506a9a71976a8b4c9bf3ee6efd13229c1e19]
6.1-upstream-stable: released (6.1.29) [4aba9ab6a007e41182454f84f95c0bddf7d6d7e1]
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.3.7-1)
6.1-bookworm-security: released (6.1.37-1)
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"