Am Freitag, 18. Mai 2018, 10:36:04 CEST schrieb Geert Uytterhoeven: Hi Geert, > > I tried following the code path, but couldn't find where it went wrong. > > mutex_lock(&drbg->drbg_mutex) is called from drbg_instantiate(), which is > inlined by the compiler into drbg_kcapi_seed(). > > Do you have a clue?
It is the first time I hear from such an issue. Yes, the DRBG should not be called in atomic context. But I do not see where we have an atomic context (either a spin_lock or in an interrupt handler) when we are executing the test manager. I will keep looking. Ciao Stephan
