On Tue, 26 Mar 2019, syzbot wrote:
syzbot has bisected this bug to: commit cf85d89562f39cc7ae73de54639f1915a9195b7a Author: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx> Date: Fri May 25 07:34:36 2018 +0000 m68k/mac: Enable PDMA for PowerBook 500 series
Looks like a false positive. But if you really are running syzkaller on a PowerBook 500, you'll want to check that you have an FPU, otherwise a CPU erratum will probably mess up your results. --
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1226cb8b200000 start commit: b0314565 Merge tag 'for_linus' of git://git.kernel.org/pub.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1126cb8b200000 console output: https://syzkaller.appspot.com/x/log.txt?x=1626cb8b200000 kernel config: https://syzkaller.appspot.com/x/.config?x=8f00801d7b7c4fe6 dashboard link: https://syzkaller.appspot.com/bug?extid=a41ac89a0712acde0e84 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1707cd2f400000 Reported-by: syzbot+a41ac89a0712acde0e84@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: cf85d89562f3 ("m68k/mac: Enable PDMA for PowerBook 500 series") For information about bisection process see: https://goo.gl/tpsmEJ#bisection
