On Fri, Apr 7, 2023 at 12:42 AM Andrii Nakryiko <andrii@xxxxxxxxxx> wrote: > > Drop the log_size>0 and log_buf!=NULL condition when log_level>0. This > allows users to request log_true_size of a full log without providing > actual (even if small) log buffer. Verifier log handling code was mostly > ready to handle NULL log->ubuf, so only few small changes were necessary > to prevent NULL log->ubuf from causing problems. > > Note, that if user provided NULL log_buf with log_level>0 we don't > consider this a log truncation, and thus won't return -ENOSPC. > > We also enforce that either (log_buf==NULL && log_size==0) or > (log_buf!=NULL && log_size>0). > > Suggested-by: Lorenz Bauer <lmb@xxxxxxxxxxxxx> > Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx> Reviewed-by: Lorenz Bauer <lmb@xxxxxxxxxxxxx>
