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-rw-r--r--pkg/sentry/sighandling/sighandling.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/sighandling/sighandling.go b/pkg/sentry/sighandling/sighandling.go
index ba1f9043d..959ef7217 100644
--- a/pkg/sentry/sighandling/sighandling.go
+++ b/pkg/sentry/sighandling/sighandling.go
@@ -83,6 +83,10 @@ func StartSignalForwarding(handler func(linux.Signal)) func() {
// for their handling.
var sigchans []chan os.Signal
for sig := 1; sig <= numSignals+1; sig++ {
+ // SIGURG is used by Go's runtime scheduler.
+ if sig == int(linux.SIGURG) {
+ continue
+ }
sigchan := make(chan os.Signal, 1)
sigchans = append(sigchans, sigchan)
signal.Notify(sigchan, syscall.Signal(sig))