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TLS Stream: handle successful TLS handshake after listener shutdown

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It was possible that accept callback can be called after listener
shutdown. In such a case the callback pointer equals NULL, leading to
segmentation fault. This commit fixes that.
This commit is contained in:
Artem Boldariev
2022-10-18 14:42:10 +03:00
parent 9b8a72735b
commit 09dcc914b4
1 changed files with 1 additions and 1 deletions
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lib/isc/netmgr/tlsstream.c
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@@ -341,7 +341,7 @@ tls_try_handshake(isc_nmsocket_t *sock, isc_result_t *presult) {
isc__nmsocket_log_tls_session_reuse(sock, sock->tlsstream.tls);
tlshandle = isc__nmhandle_get(sock, &sock->peer, &sock->iface);
if (sock->tlsstream.server) {
if (sock->listener->accept_cb == NULL) {
if (isc__nmsocket_closing(sock->listener)) {
result = ISC_R_CANCELED;
} else {
result = sock->listener->accept_cb(