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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=HL+P6C+e6EWuUkq6BT22AnRS/x2R8zWC5SF2fuIvWTY=; b=LDkybdcQ8/wAaV8Oz8DSyI13rlstNWORUztZn7s7YF3vr86afl46zpA78Xo310y3zQ sXMyCWP7gKqVtnVNGS1AnFh+jHCW+PxP1voULDH9M/cdIJXMUCb6V9V0GLBsZjLPJoNi TAx5vx2B03ykt1LsrsS8t/DJZ9L48fLNIzFELts+D8XZJDI2n3VvrEiP7EWEcWYVD2gq nvCQTqmFZmwsVMDgjvPcZvmeBT3qHE5GniQ99DYw7jtGLWXgMM5pAJarnlHBiRudxr+F 3M1PU07qEKk6B8sNo8qwAPqBj5/JUzyWeCPbzdS+l8awEN6EZ0cqUidSHUlAfAWz15Un Hc/Q== X-Gm-Message-State: AOAM5335d/2dMIygiABybgCECQNzc+CtLOXQWw4JyJlB/dV6K90mEKSy YbSpiXRy94jG5YqgkTafT4cT/DLApWuDs5jAy+uC1Q== X-Google-Smtp-Source: ABdhPJxSKANgqKyIaFyKJJvDKEIsAq50ZDYIvoYkWBLdIn0dbZYFOsej/MN69Kzg8OORqQgkUJcdv3y6TbWf2QePsTM= X-Received: by 2002:a0c:8d8b:: with SMTP id t11mr24811025qvb.13.1605093596081; Wed, 11 Nov 2020 03:19:56 -0800 (PST) MIME-Version: 1.0 References: <0000000000008fddd805adc8c56f@google.com> <000000000000abcd5505b0a06d96@google.com> In-Reply-To: <000000000000abcd5505b0a06d96@google.com> From: Dmitry Vyukov Date: Wed, 11 Nov 2020 12:19:45 +0100 Message-ID: Subject: Re: general protection fault in rt6_fill_node To: syzbot Cc: John.Linn@xilinx.com, a@unstable.cc, Anant Thazhemadam , Andrii Nakryiko , anirudh@xilinx.com, Alexei Starovoitov , b.a.t.m.a.n@lists.open-mesh.org, bpf , Daniel Borkmann , David Miller , David Ahern , hancock@sedsystems.ca, John Fastabend , Martin KaFai Lau , KP Singh , Jakub Kicinski , Alexey Kuznetsov , Linux ARM , LKML , mareklindner@neomailbox.ch, michal.simek@xilinx.com, netdev , Nikolay Aleksandrov , Song Liu , sw@simonwunderlich.de, syzkaller-bugs , Yonghong Song , Hideaki YOSHIFUJI Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Oct 1, 2020 at 8:46 PM syzbot wrote: > > syzbot suspects this issue was fixed by commit: > > commit eeaac3634ee0e3f35548be35275efeca888e9b23 > Author: Nikolay Aleksandrov > Date: Sat Aug 22 12:06:36 2020 +0000 > > net: nexthop: don't allow empty NHA_GROUP > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12beed5b900000 > start commit: c3d8f220 Merge tag 'kbuild-fixes-v5.9' of git://git.kernel.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=a0437fdd630bee11 > dashboard link: https://syzkaller.appspot.com/bug?extid=81af6e9b3c4b8bc874f8 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13ff8539900000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=143f3a96900000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: net: nexthop: don't allow empty NHA_GROUP > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz fix: net: nexthop: don't allow empty NHA_GROUP