Handle possible SEGV at client_close

1 files changed, 6 insertions, 1 deletions

diff --git a/src/proxy.cc b/src/proxy.cc
index bec4924..97180ca 100644
--- a/src/proxy.cc
+++ b/src/proxy.cc
@@ -572,7 +572,12 @@ void ProxyImpl::close_client(size_t index) {
   auto& client = clients_[index];
   if (client.pkg_id != 0) {
     size_t avail;
-    auto ptr = client.in->read_ptr(&avail);
+    void const* ptr;
+    if (client.in) {
+      ptr = client.in->read_ptr(&avail);
+    } else {
+      avail = 0;
+    }
     if (avail) {
       send_attached_data(client.pkg_id, ptr, avail, true);
     } else {