diff options
Diffstat (limited to 'pkg/sentry/vfs/epoll.go')
| -rw-r--r-- | pkg/sentry/vfs/epoll.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/pkg/sentry/vfs/epoll.go b/pkg/sentry/vfs/epoll.go index 04bc4d10c..fefd0fc9c 100644 --- a/pkg/sentry/vfs/epoll.go +++ b/pkg/sentry/vfs/epoll.go @@ -135,12 +135,16 @@ func (ep *EpollInstance) Readiness(mask waiter.EventMask) waiter.EventMask { return 0 } ep.mu.Lock() - for epi := ep.ready.Front(); epi != nil; epi = epi.Next() { + var next *epollInterest + for epi := ep.ready.Front(); epi != nil; epi = next { + next = epi.Next() wmask := waiter.EventMaskFromLinux(epi.mask) if epi.key.file.Readiness(wmask)&wmask != 0 { ep.mu.Unlock() return waiter.ReadableEvents } + ep.ready.Remove(epi) + epi.ready = false } ep.mu.Unlock() return 0 |