diff options
| -rw-r--r-- | pkg/sentry/device/device.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pkg/sentry/device/device.go b/pkg/sentry/device/device.go index a5514c72f..21fee8f8a 100644 --- a/pkg/sentry/device/device.go +++ b/pkg/sentry/device/device.go @@ -183,6 +183,14 @@ func (m *MultiDevice) Load(key MultiDeviceKey, value uint64) bool { m.rcache = make(map[uint64]MultiDeviceKey) } + if val, exists := m.cache[key]; exists && val != value { + return false + } + if k, exists := m.rcache[value]; exists && k != key { + // Should never happen. + panic("MultiDevice's caches are inconsistent") + } + // Cache value at key. m.cache[key] = value |