Stack overflow crash in interworking due to recursion

[Olsson, Ola]

Hi,

We have observed a crash in the supplicant related to interworking on Android 5.

The stack trace looks like follows and we are not able to reproduce it manually (call chain goes upwards)

interworking_next_anqp_fetch
interworking_start_fetch_anqp
wpas_select_network_from_last_scan
wpa_supplicant_fast_associate
interworking_reconnect
interworking_select_network
.
.
interworking_next_anqp_fetch
interworking_start_fetch_anqp
wpas_select_network_from_last_scan
wpa_supplicant_fast_associate
interworking_reconnect
interworking_select_network

I was thinking about removing the call to "wpa_supplicant_fast_associate" in "interworking_reconnect" but if you have any better suggestions, please do tell.

Thanks,
Ola
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