From bc4cda8ea72d655d8c4487fb59e50cf0ad4b8ef8 Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Tue, 8 Jun 2021 13:27:15 +0200
Subject: [PATCH] mdns: Fix fuzzer from miss-interpreting adding services as
 timeouts

* Original commit: espressif/esp-idf@14099fe15efb1b0cde0a8370096c55bba62ff937
---
 components/mdns/test_afl_fuzz_host/esp32_mock.c | 8 ++------
 components/mdns/test_afl_fuzz_host/sdkconfig.h  | 2 +-
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/components/mdns/test_afl_fuzz_host/esp32_mock.c b/components/mdns/test_afl_fuzz_host/esp32_mock.c
index 0a01514ff..d806093fc 100644
--- a/components/mdns/test_afl_fuzz_host/esp32_mock.c
+++ b/components/mdns/test_afl_fuzz_host/esp32_mock.c
@@ -48,12 +48,8 @@ esp_err_t esp_timer_create(const esp_timer_create_args_t* create_args,
 
 uint32_t xTaskGetTickCount(void)
 {
-    struct timeval tv;
-    struct timezone tz;
-    if (gettimeofday(&tv, &tz) == 0) {
-        return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
-    }
-    return 0;
+    static uint32_t tick = 0;
+    return tick++;
 }
 
 /// Queue mock
diff --git a/components/mdns/test_afl_fuzz_host/sdkconfig.h b/components/mdns/test_afl_fuzz_host/sdkconfig.h
index 43d4a278a..1b5997b64 100644
--- a/components/mdns/test_afl_fuzz_host/sdkconfig.h
+++ b/components/mdns/test_afl_fuzz_host/sdkconfig.h
@@ -294,7 +294,7 @@
 #define CONFIG_MDNS_TASK_STACK_SIZE 4096
 #define CONFIG_MDNS_TASK_AFFINITY_CPU0 1
 #define CONFIG_MDNS_TASK_AFFINITY 0x0
-#define CONFIG_MDNS_SERVICE_ADD_TIMEOUT_MS 100
+#define CONFIG_MDNS_SERVICE_ADD_TIMEOUT_MS 1
 #define CONFIG_MDNS_TIMER_PERIOD_MS 100
 #define CONFIG_MQTT_PROTOCOL_311 1
 #define CONFIG_MQTT_TRANSPORT_SSL 1