On Thu, Nov 7, 2019 at 8:42 AM syzbot <syzbot+e8c1d30881266e47eb33@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > syzbot suspects this bug was fixed by commit: > > commit e7c87bd6cc4ec7b0ac1ed0a88a58f8206c577488 > Author: Willem de Bruijn <willemb@xxxxxxxxxx> > Date: Wed Jan 16 01:19:22 2019 +0000 > > bpf: in __bpf_redirect_no_mac pull mac only if present > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1736f974600000 > start commit: b36fdc68 Merge tag 'gpio-v4.19-2' of git://git.kernel.org/.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=4c7e83258d6e0156 > dashboard link: https://syzkaller.appspot.com/bug?extid=e8c1d30881266e47eb33 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14d42021400000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13d09f1e400000 > > If the result looks correct, please mark the bug fixed by replying with: > > #syz fix: bpf: in __bpf_redirect_no_mac pull mac only if present #syz fix: bpf: in __bpf_redirect_no_mac pull mac only if present indeed manually reproduced at e7c87bd6cc4e~1, failed to reproduce at e7c87bd6cc4e. Also seems plausible given the stack trace.
