diff options
Diffstat (limited to 'pkg/sentry/fs')
| -rw-r--r-- | pkg/sentry/fs/inotify_watch.go | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/pkg/sentry/fs/inotify_watch.go b/pkg/sentry/fs/inotify_watch.go index b83544c9f..d33e7e498 100644 --- a/pkg/sentry/fs/inotify_watch.go +++ b/pkg/sentry/fs/inotify_watch.go @@ -76,15 +76,17 @@ func isRenameEvent(eventMask uint32) bool { // Notify queues a new event on this watch. func (w *Watch) Notify(name string, events uint32, cookie uint32) { - unmaskableBits := ^uint32(0) &^ linux.IN_ALL_EVENTS - effectiveMask := unmaskableBits | atomic.LoadUint32(&w.mask) - matchedEvents := effectiveMask & events - - if matchedEvents == 0 { + mask := atomic.LoadUint32(&w.mask) + if mask&events == 0 { // We weren't watching for this event. return } + // Event mask should include bits matched from the watch plus all control + // event bits. + unmaskableBits := ^uint32(0) &^ linux.IN_ALL_EVENTS + effectiveMask := unmaskableBits | mask + matchedEvents := effectiveMask & events w.owner.queueEvent(newEvent(w.wd, name, matchedEvents, cookie)) } |