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-rw-r--r--example/reader_util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/example/reader_util.c b/example/reader_util.c
index 2c719286f..833f200bf 100644
--- a/example/reader_util.c
+++ b/example/reader_util.c
@@ -1099,7 +1099,7 @@ void process_ndpi_collected_info(struct ndpi_workflow * workflow, struct ndpi_fl
sizeof(flow->ssh_tls.client_requested_server_name), "%s",
flow->ndpi_flow->protos.stun_ssl.ssl.client_requested_server_name);
- if(flow->ndpi_flow->protos.stun_ssl.ssl.server_names_len > 0)
+ if(flow->ndpi_flow->protos.stun_ssl.ssl.server_names_len > 0 && flow->ndpi_flow->protos.stun_ssl.ssl.server_names)
flow->ssh_tls.server_names = ndpi_strdup(flow->ndpi_flow->protos.stun_ssl.ssl.server_names);
flow->ssh_tls.notBefore = flow->ndpi_flow->protos.stun_ssl.ssl.notBefore;
flow->ssh_tls.notAfter = flow->ndpi_flow->protos.stun_ssl.ssl.notAfter;