ESP32 wifi driver buffer handling - Githubissues

renesas-rx / amazon-freertos

A fork/prototype of the Amazon FreeRTOS to support Renesas RX MCUs. Please refer to our wiki for more details.

https://github.com/renesas-rx/amazon-freertos/wiki

MIT License

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ESP32 wifi driver buffer handling #9

Open HirokiIshiguro opened 5 years ago

HirokiIshiguro commented 5 years ago

Describe the bug Wrong behavior exists in esp8266_driver_2.c esp8266_recv_task() case3 when receiving authentication handshake 5KB data. recvbuff[recv_count] overflow exists.

System information

Which hardware board or part numbers? -> RZ/A2M CPU board
IDE used -> e2 studio
Operating System [Windows|Linux|MacOS] -> xxx
Version of Amazon FreeRTOS (run git describe --tags to find it) -> V147
Project [Custom Application|MQTT|Shadow|Greengrass|OTA|Device Defender|TCP Echo|Sub pub Demo|Simple TCP Server] -> MQTT Echo
If your project is a Custom Application, please add the relevant code snippet in the section Code to reproduce the bug. -> N/A

Expected behavior With no wrong behavior.

Screenshots or console output N/A

To reproduce N/A

Code to reproduce the bug The code should be wrapped in the cpp tag in order to be displayed clearly. For example:

esp8266_driver_2.c: L91

    if (recv_count < (sizeof(recvbuff) - 2)) {
        recv_count++;
    }

If the code is longer than 30 lines, GIST is preferred.

Additional context N/A

Thank you!