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v6ak / qubes-incremental-backup-poc

proof of concept of incremental backup scheme for Qubes
https://groups.google.com/d/msgid/qubes-users/901b82dc-f781-4c13-ad00-33b4337fc84a%40googlegroups.com
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Reconsider use of check_output for VM calls #17

Closed v6ak closed 7 years ago

v6ak commented 7 years ago

VM call can return huge amount of data, DoSing the dom0. In case of a wrong implementation (which seems to be limited to just wrong buffer operation, so not so likely), it could even overflow.