On Mon, Jan 27, 2020 at 10:03 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > > Hi Gilad, > > On Sun, Jan 26, 2020 at 2:38 PM Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> wrote: > > Deal gracefully with the event of being handed a scatterlist > > which is shorter than expected. > > > > This mitigates a crash in some cases of crashes due to > > attempt to map empty (but not NULL) scatterlists with none > > zero lengths. > > > > This is an interim patch, to help diagnoze the issue, not > > intended for mainline in its current form as of yet. > > > > Signed-off-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> > > Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> > > Thanks for your patch! > > Unfortunately this doesn't make a difference, as ... OK, so this is a different case than the one I am seeing but similar in the sense that we get a scatterlist with a NULL first buffer, which aead.h says we shouldn't... Oh, well. Sorry, still waiting to get my R-Car board back. Please try the patch I'm about to send and see if it is better. Thanks, Gilad -- Gilad Ben-Yossef Chief Coffee Drinker values of β will give rise to dom!