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DPP: Fix memory leaks in GAS server error path handling

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If local memory allocation for the GAS response failed, couple of error
paths ended up leaking some memory maintaining the state for the
exchange. Fix that by freeing the context properly.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2018-11-25 13:49:44 +02:00
parent 931f7ff656
commit c7896ef9c6
1 changed files with 4 additions and 1 deletions
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5
src/common/gas_server.c
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@ -97,8 +97,10 @@ gas_server_send_resp(struct gas_server *gas, struct gas_server_handler *handler,
return;
response = os_zalloc(sizeof(*response));
if (!response)
if (!response) {
wpabuf_free(query_resp);
return;
}
wpa_printf(MSG_DEBUG, "DPP: Allocated GAS response @%p", response);
response->freq = freq;
response->handler = handler;
@ -119,6 +121,7 @@ gas_server_send_resp(struct gas_server *gas, struct gas_server_handler *handler,
handler->adv_proto_id_len +
resp_frag_len);
if (!resp) {
wpabuf_free(query_resp);
gas_server_free_response(response);
return;
}