Problems with the stm32_rpmsg_sdb.c

[浩侯.1]

I find the kernel Panic when I mmap 16 shared memory regions.（4KB/memory）

[Olivier GALLIEN]

Hi,  

Please confirm you are trying to play with provided example https://wiki.st.com/stm32mpu/wiki/How_to_exchange_large_data_buffers_with_the_coprocessor_-_example

In which ecosystem context are you ?

Please check that memory mapping is consistent between kernel dts and MP4 firmware for shared memory.

Olivier

[TBlec.1]

running into the same issue it looks like there's a simple buffer overflow in the `sprintf` when trying to print an index larger than 9:

https://github.com/STMicroelectronics/meta-st-stm32mpu-app-logicanalyser/pull/3/commits/14b3ddbda9cf7d2413479fb7fbd6aebc0d626a0f