Linux qdiscs clamp quantum paths that let namespaces soft-lock the host
A follow-up series closes change-path and missed-qdisc holes that restored multi-billion-iteration deficit spins under the scheduler lock.
By oopsA follow-up series closes change-path and missed-qdisc holes that restored multi-billion-iteration deficit spins under the scheduler lock.
By oopsEight traffic-control schedulers still allowed tiny quanta after setup, reopening a deficit-loop DoS under the qdisc lock.
By kexecUnprivileged users could exhaust kernel memory by repeatedly setting the casefold mount option on tmpfs.
By kexec