found bug in dm_distributed_keys_get

[tiamo]

dm_distributed_keys_get returns address of local variable 'peer_enc_key';

sdk version: nRF51_SDK_9.0.0_2e23562

in function ret_code_t dm_distributed_keys_get(dm_handle_t const * p_handle, dm_sec_keyset_t * p_key_dist)

peer_enc_key declared at [device_manager_peripheral.c:2418, device_manager_central.c:2386] as ble_gap_enc_key_t peer_enc_key;

and used at [device_manager_peripheral.c:2427, device_manager_peripheral.c:2450, device_manager_central.c:2413]

p_key_dist->keys_periph.enc_key.p_enc_key = (dm_enc_key_t *)&peer_enc_key;

[tiamo]

in c language, local variables are allocated on stack area, after the function returns to its caller, the stack area will be 'destroyed', so the memory of the local variables becomes invalid, actually, it will be overwritten if you call another function.