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-rwxr-xr-xpkg/sentry/socket/netstack/netstack.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go
index 1eeb37446..13a9a60b4 100755
--- a/pkg/sentry/socket/netstack/netstack.go
+++ b/pkg/sentry/socket/netstack/netstack.go
@@ -712,6 +712,10 @@ func (s *SocketOperations) Connect(t *kernel.Task, sockaddr []byte, blocking boo
// Bind implements the linux syscall bind(2) for sockets backed by
// tcpip.Endpoint.
func (s *SocketOperations) Bind(t *kernel.Task, sockaddr []byte) *syserr.Error {
+ if len(sockaddr) < 2 {
+ return syserr.ErrInvalidArgument
+ }
+
family := usermem.ByteOrder.Uint16(sockaddr)
var addr tcpip.FullAddress