filelock: Remove locks reliably when fcntl/close race is detected

Bill O'Donnellrequested to merge
bodonnel/RHEL_50176:RHEL_50176 into main

filelock: Remove locks reliably when fcntl/close race is detected

JIRA: https://issues.redhat.com/browse/RHEL-50176

CVE: CVE-2024-41012

Signed-off-by: Bill O'Donnell bodonnel@redhat.com

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