Lennart Poettering
0dbe57ee86
Even with the new keyed hash table journal feature: if an attacker manages to get access to the journal file id it could synthesize records that result in hash collisions. Let's rotate automatically when we notice that, so that a new journal file ID is generated, our performance is restored and the attacker has to guess a new file ID before being able to trigger the issue again. That said, untrusted peers should never get access to journal files in the first case...
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