hostapd: ubus inteface crashes hostapd?

[Felix Fietkau]

On 2021-10-21 11:31, Nick wrote:
> Is someone massively utilizing the ubus interface from hostapd? I'm
> doing this with dawn and I saw that blocktrron already fixed some
> infinity loop. However, currently DAWN is crashing the hostapd. I make
> extensive use of the get_clients, all subscriptions, disassoc_immidient
> calls.
> 
> Of course I don't want to exclude that the error is on my side. I just
> wanted to ask if someone is doing something similar. It is just weird
> for me that dawn can crash hostapd since it is only connecting via ubus
> and uses iwinfo library to get signal strength and channel utilization
> from wifi interfaces.
> 
> See:
> https://github.com/berlin-open-wireless-lab/DAWN/issues/151#issuecomment-948192240
Please make some coredumps and send me gdb backtrace info, so that I can 
look into this.

- Felix