Design/Logic Flaw

An issue was discovered in Xen XAPI before 2020-12-15. Certain xenstore keys provide feedback from the guest, and are therefore watched by toolstack. Specifically, keys are watched by xenopsd, and data are forwarded via RPC through message-switch to xapi. The watching logic in xenopsd sends one R...

XAPI: guest-triggered excessive memory usage

ISSUE DESCRIPTION Certain xenstore keys provide feedback from the guest, and are therefore watched by toolstack. Specifically, keys are watched by xenopsd, and data are forward via RPC through message-switch to xapi. The watching logic in xenopsd sends one RPC update containing all data, any time...