I was able to pinpoint the apparmor profile down. It definitely has a
number of child profiles like these:
```
/usr/bin/smbclient Cx,
profile /usr/bin/smbclient {
```
I've updated the profile per your suggestion and it actually helped.
Thanks a lot!
However this is still seems to be a software defect. Kernel should not Oops,
apparmor tools should catch an backward incompatible issue with a profile.
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https://bugs.launchpad.net/bugs/2048951
Title:
Kernel Oops - kernel NULL pointer dereference
(apparmor_bprm_creds_for_exec, profile_transition) with linux-
image-6.5.0-18-generic (linux-image-generic-hwe-22.04)
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