If audit.log contains entries for a profile that doesn't exist (for example when working with a log file from another system), skip these log entries instead of crashing.
Reproducer (crashes without this patch):
aa-logprof -f <(echo 'type=AVC msg=audit(1661739121.578:77893): apparmor="DENIED" operation="open" profile="no_such_profile" name="/run/" pid=33099 comm="no" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0')I propose this patch for 3.1 and master. (3.0 and older are not affected and do not need this fix.)