diff options
| author | Jamie Liu <jamieliu@google.com> | 2020-03-13 16:08:06 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-03-13 16:09:18 -0700 |
| commit | b0f2c3e7646df603156f1b8e8b3382f33353eb04 (patch) | |
| tree | 6288491479b6816d00233f07a90a76a2ae225e43 | |
| parent | d8cf54f20f2dd7348d06796f29a42991086c3f81 (diff) | |
Fix infinite loop in semaphore.sem.wakeWaiters().
PiperOrigin-RevId: 300845134
| -rw-r--r-- | pkg/sentry/kernel/semaphore/semaphore.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/semaphore/semaphore.go b/pkg/sentry/kernel/semaphore/semaphore.go index 1000f3287..c00fa1138 100644 --- a/pkg/sentry/kernel/semaphore/semaphore.go +++ b/pkg/sentry/kernel/semaphore/semaphore.go @@ -554,6 +554,7 @@ func (s *sem) wakeWaiters() { for w := s.waiters.Front(); w != nil; { if s.value < w.value { // Still blocked, skip it. + w = w.Next() continue } w.ch <- struct{}{} |