Am Montag, den 19.08.2019, 14:43 +0200 schrieb Andrey Konovalov: > On Mon, Aug 19, 2019 at 2:37 PM Oliver Neukum <oneukum@xxxxxxxx> wrote: > > The original error was a divide by zero. The first fix fixed that > > but still another error showed up. If I propose a fix there are > > other possibilities besides it working. > > > > I could have no effect on the original bug or my fix breaks > > something else and KASAN is making no difference between > > those cases. > > I think you mean syzbot here and not KASAN. Do I understand correctly, > that you're saying that the original report was Yes, sorry syzbot. > divide-by-zero, but > when you requested to test the patch the reproducer triggered a > use-after-free, and syzbot didn't treat the patch you provided as a > correct fix? No, obviously there is still a bug. What I would like syzbot to have would be a third category: inconclusive. Seeing another bug instead may also mean the first bug struck before the second could ever happen. We just lack data to tell. Regards Oliver
