7ceedcefc2
commit ddba91801aeb5c160b660caed1800eb3aef403f8 upstream.
KVM's API requires thats ioctls must be issued from the same process
that created the VM. In other words, userspace can play games with a
VM's file descriptors, e.g. fork(), SCM_RIGHTS, etc..., but only the
creator can do anything useful. Explicitly reject device ioctls that
are issued by a process other than the VM's creator, and update KVM's
API documentation to extend its requirements to device ioctls.
Fixes:
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|---|---|---|
| .. | ||
| kvm | ||
| uml | ||
| 00-INDEX | ||
| paravirt_ops.txt | ||