On Wed, Dec 4, 2019 at 3:45 AM syzbot <syzbot+9af6d43c1beabec8fd05@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > syzbot has bisected this bug to: > > commit 2de50e9674fc4ca3c6174b04477f69eb26b4ee31 > Author: Russell Currey <ruscur@xxxxxxxxxx> > Date: Mon Feb 8 04:08:20 2016 +0000 > > powerpc/powernv: Remove support for p5ioc2 > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15e5fc32e00000 > start commit: 76bb8b05 Merge tag 'kbuild-v5.5' of git://git.kernel.org/p.. > git tree: upstream > final crash: https://syzkaller.appspot.com/x/report.txt?x=17e5fc32e00000 > console output: https://syzkaller.appspot.com/x/log.txt?x=13e5fc32e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=dd226651cb0f364b > dashboard link: https://syzkaller.appspot.com/bug?extid=9af6d43c1beabec8fd05 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16d15061e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14b69aeae00000 > > Reported-by: syzbot+9af6d43c1beabec8fd05@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: 2de50e9674fc ("powerpc/powernv: Remove support for p5ioc2") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection This should have been detected as "does not affect binary", but there is something I don't understand/missing: This is bisected to 2de50e9674fc4ca3c6174b04477f69eb26b4ee31 and it has this parent: $ git log -n 1 --format="%P" 2de50e9674fc4ca3c6174b04477f69eb26b4ee31 388f7b1d6e8ca06762e2454d28d6c3c55ad0fe95 But the parent was never tested during bisection... how is this possible? Mentioned this here: https://github.com/google/syzkaller/issues/1271#issuecomment-561504032
