twdt: Fix timeout decimal literals to prevent uint32_t overflow

This commit fixes the decimal literals used in calculating task
watchdog timeouts to prevent them from causing a uint32_t oveflow.

Closes https://github.com/espressif/esp-idf/issues/6648

components/esp_system/task_wdt.c

@@ -1,16 +1,8 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #include <stdint.h>
 #include <stdio.h>
@@ -226,9 +218,9 @@ esp_err_t esp_task_wdt_init(uint32_t timeout, bool panic)
         wdt_hal_init(&twdt_context, TWDT_INSTANCE, TWDT_PRESCALER, true);
         wdt_hal_write_protect_disable(&twdt_context);
         //Configure 1st stage timeout and behavior
-        wdt_hal_config_stage(&twdt_context, WDT_STAGE0, twdt_config->timeout * 1000000 / TWDT_TICKS_PER_US, WDT_STAGE_ACTION_INT);
+        wdt_hal_config_stage(&twdt_context, WDT_STAGE0, twdt_config->timeout * (1000000 / TWDT_TICKS_PER_US), WDT_STAGE_ACTION_INT);
         //Configure 2nd stage timeout and behavior
-        wdt_hal_config_stage(&twdt_context, WDT_STAGE1, 2*twdt_config->timeout * 1000000 / TWDT_TICKS_PER_US, WDT_STAGE_ACTION_RESET_SYSTEM);
+        wdt_hal_config_stage(&twdt_context, WDT_STAGE1, twdt_config->timeout * (2 * 1000000 / TWDT_TICKS_PER_US), WDT_STAGE_ACTION_RESET_SYSTEM);
         //Enable the WDT
         wdt_hal_enable(&twdt_context);
         wdt_hal_write_protect_enable(&twdt_context);
@@ -240,8 +232,8 @@ esp_err_t esp_task_wdt_init(uint32_t timeout, bool panic)
         //Reconfigure hardware timer
         wdt_hal_write_protect_disable(&twdt_context);
         wdt_hal_disable(&twdt_context);
-        wdt_hal_config_stage(&twdt_context, WDT_STAGE0, twdt_config->timeout*1000*1000/TWDT_TICKS_PER_US, WDT_STAGE_ACTION_INT);
-        wdt_hal_config_stage(&twdt_context, WDT_STAGE1, 2*twdt_config->timeout*1000*1000/TWDT_TICKS_PER_US, WDT_STAGE_ACTION_RESET_SYSTEM);
+        wdt_hal_config_stage(&twdt_context, WDT_STAGE0, twdt_config->timeout * (1000 * 1000 / TWDT_TICKS_PER_US), WDT_STAGE_ACTION_INT);
+        wdt_hal_config_stage(&twdt_context, WDT_STAGE1, twdt_config->timeout * (2 * 1000 * 1000 / TWDT_TICKS_PER_US), WDT_STAGE_ACTION_RESET_SYSTEM);
         wdt_hal_enable(&twdt_context);
         wdt_hal_write_protect_enable(&twdt_context);
     }

tools/ci/check_copyright_ignore.txt

@@ -1165,7 +1165,6 @@ components/esp_system/port/soc/esp32s3/system_internal.c
 components/esp_system/port/soc/esp32s3/usb_console.c
 components/esp_system/stack_check.c
 components/esp_system/system_time.c
-components/esp_system/task_wdt.c
 components/esp_system/test/test_delay.c
 components/esp_system/test/test_reset_reason.c
 components/esp_system/test/test_sleep.c