diff options
Diffstat (limited to 'pkg/tcpip/stack')
| -rw-r--r-- | pkg/tcpip/stack/transport_demuxer.go | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/pkg/tcpip/stack/transport_demuxer.go b/pkg/tcpip/stack/transport_demuxer.go index 292e51d20..61cbaf688 100644 --- a/pkg/tcpip/stack/transport_demuxer.go +++ b/pkg/tcpip/stack/transport_demuxer.go @@ -582,17 +582,18 @@ func (d *transportDemuxer) deliverRawPacket(protocol tcpip.TransportProtocolNumb // As in net/ipv4/ip_input.c:ip_local_deliver, attempt to deliver via // raw endpoint first. If there are multiple raw endpoints, they all // receive the packet. - foundRaw := false eps.mu.RLock() - for _, rawEP := range eps.rawEndpoints { + // Copy the list of raw endpoints so we can release eps.mu earlier. + rawEPs := make([]RawTransportEndpoint, len(eps.rawEndpoints)) + copy(rawEPs, eps.rawEndpoints) + eps.mu.RUnlock() + for _, rawEP := range rawEPs { // Each endpoint gets its own copy of the packet for the sake // of save/restore. rawEP.HandlePacket(pkt.Clone()) - foundRaw = true } - eps.mu.RUnlock() - return foundRaw + return len(rawEPs) > 0 } // deliverError attempts to deliver the given error to the appropriate transport |