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path: root/pkg/sentry/socket/netstack/netstack.go
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Diffstat (limited to 'pkg/sentry/socket/netstack/netstack.go')
-rw-r--r--pkg/sentry/socket/netstack/netstack.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go
index 48c268bfa..13a9a60b4 100644
--- 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
@@ -2663,7 +2667,9 @@ func (s *SocketOperations) Ioctl(ctx context.Context, _ *fs.File, io usermem.IO,
}
// Add bytes removed from the endpoint but not yet sent to the caller.
+ s.readMu.Lock()
v += len(s.readView)
+ s.readMu.Unlock()
if v > math.MaxInt32 {
v = math.MaxInt32