In the Linux kernel, the following vulnerability has been resolved: cifs: Fix connections leak when tlink setup failed If the tlink setup failed, lost to put the connections, then the module refcnt leak since the cifsd kthread not exit. Also leak the fscache info, and for next mount with fsc, it will print the follow errors: CIFS: Cache volume key already in use (cifs,127.0.0.1:445,TEST) Let's check the result of tlink setup, and do some cleanup.
https://git.kernel.org/stable/c/a9059e338fc000c0b87d8cf29e93c74fd703212e
https://git.kernel.org/stable/c/1dcdf5f5b2137185cbdd5385f29949ab3da4f00c
https://git.kernel.org/stable/c/0a087842d10b5daa123ee5291e386cdd78413705