[Bug 2099914] [NEW] cifs.upcall program in cifs-utils package incorrectly makes an upcall to different namespace in case of container environments

Public bug reported: In some cases, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. Consider the following scenario: A CIFS/SMB file share is mounted on a host node using Kerberos authentication. During the session setup

[Bug 2099917] [NEW] cifs.upcall program in the cifs-utils package fails to use a valid service ticket from the credential cache if the TGT is expired or not exist

Public bug reported: cifs.upcall program in the cifs-utils package fails to use a valid service ticket from the credential cache if the TGT is expired or not exist When mounting an SMB file share on Linux using the kernel client with Kerberos authentication, the Linux kernel's cifs.ko module ma