From 9d07e89f13530fff79aa2eee6ad115cca71aa8eb Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Wed, 8 Sep 2021 11:04:08 +0800 Subject: [PATCH] tcp_transport: Fix NULL pointer dereference in esp_transport_esp_tls_create Add missing NULL checking to prevent NULL pointer dereference if calloc failed. Signed-off-by: Axel Lin --- components/tcp_transport/transport_ssl.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/components/tcp_transport/transport_ssl.c b/components/tcp_transport/transport_ssl.c index d08061b179..988995ce56 100644 --- a/components/tcp_transport/transport_ssl.c +++ b/components/tcp_transport/transport_ssl.c @@ -446,6 +446,9 @@ esp_transport_handle_t esp_transport_ssl_init(void) struct transport_esp_tls* esp_transport_esp_tls_create(void) { transport_esp_tls_t *transport_esp_tls = calloc(1, sizeof(transport_esp_tls_t)); + if (transport_esp_tls == NULL) { + return NULL; + } transport_esp_tls->sockfd = INVALID_SOCKET; return transport_esp_tls; }