On Tue, Nov 5, 2019 at 9:35 AM Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> wrote: > > On 11/5/19 9:21 AM, Jose Abreu wrote: > > From: syzbot <syzbot+d9536adc269404a984f8@xxxxxxxxxxxxxxxxxxxxxxxxx> > > Date: Nov/05/2019, 08:05:01 (UTC+00:00) > > > >> syzbot has bisected this bug to: > >> > >> commit 2af6106ae949651d529c8c3f0734c3a7babd0d4b > >> Author: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx> > >> Date: Tue Jul 9 08:03:00 2019 +0000 > >> > >> net: stmmac: Introducing support for Page Pool > > > > From the config provided, stmmac driver is not even enabled. Can you > > please confirm the bisection process ? > > Looks like a false positive, as j1939 (net/can/j1939/) hit mainline with > v5.4-rc1~131^2~78^2. > > While the bisected commit is v5.3-rc1~140^2~13^2. Yes, the commit is most likely irrelevant. As you can see in the bisection log the process was diverged by "WARNING: ODEBUG bug in netdev_freemem". I think it's not the first and not the second time I see that crash breaks bisection: https://syzkaller.appspot.com/bug?id=96a64fde216dca408a5c25db4e57838c51e435aa