From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78B39C4727F for ; Tue, 29 Sep 2020 12:46:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3055B208B8 for ; Tue, 29 Sep 2020 12:46:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731256AbgI2Mqc (ORCPT ); Tue, 29 Sep 2020 08:46:32 -0400 Received: from mail-io1-f80.google.com ([209.85.166.80]:46203 "EHLO mail-io1-f80.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728824AbgI2MqK (ORCPT ); Tue, 29 Sep 2020 08:46:10 -0400 Received: by mail-io1-f80.google.com with SMTP id y5so1818379iop.13 for ; Tue, 29 Sep 2020 05:46:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=aIH5+9o/WQ3U3fksD3TLsum6UmaiEhIKEW/H6MhmdWk=; b=NCljbF+A0d34UUxg8rJlSMOyOictye/yzj5Af7LksApKhYmo5dWuEN4dIi9uCHyclV ZWh+UFGL6AytRwXsVpaoMjwrbsjqZ0TrbIhyvbeGce/R5OZ+X4MTUcCZdJpWxl1/5VXO aBGVebGmDmrB4fY7lyDCIicWKpmsBwuNtx6Yl4NYBW2h9M0+EpAwP+KYxRTIaF88MNtc h75wmrd0D0RCpBZmrOmGgDJSJ+wAdgJSa6vGG6Pz/UFvQo2eRqSBhOlbY86cv4wbJFOt 9ILvVzRi/rRWEfOXErwE89gHIEq9M07rKXEMOc3McEHOF0chOdsJJdXmo0Zn8vkVjeDJ WxJg== X-Gm-Message-State: AOAM532lcqwNKF6wY9g3pJYYcq5fSc0Ykv4su4jiP1OrylZ6lJbWN0hE f5Eopw+GsvxUXoHm4No1y6RJ+5obab8h6VOeyqmbX+tykHCm X-Google-Smtp-Source: ABdhPJwXmI8uoWFeVU57vW1YfSovrR/LKjfjYU2pu0Qiw8c9CBL2Er2mOJAkOIOmHv3XCnBwKzhAH9Zj40sRAD6sOGgoDx76gFvA MIME-Version: 1.0 X-Received: by 2002:a92:360d:: with SMTP id d13mr2524504ila.99.1601383568081; Tue, 29 Sep 2020 05:46:08 -0700 (PDT) Date: Tue, 29 Sep 2020 05:46:08 -0700 In-Reply-To: <000000000000680f2905afd0649c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b98b5505b0732a29@google.com> Subject: Re: BUG: unable to handle kernel paging request in bpf_trace_run2 From: syzbot To: andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, corbet@lwn.net, daniel@iogearbox.net, davem@davemloft.net, dsahern@gmail.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, rostedt@goodmis.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org syzbot has bisected this issue to: commit 58956317c8de52009d1a38a721474c24aef74fe7 Author: David Ahern Date: Fri Dec 7 20:24:57 2018 +0000 neighbor: Improve garbage collection bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12d31675900000 start commit: 12450081 libbpf: Fix native endian assumption when parsing.. git tree: bpf final oops: https://syzkaller.appspot.com/x/report.txt?x=11d31675900000 console output: https://syzkaller.appspot.com/x/log.txt?x=16d31675900000 kernel config: https://syzkaller.appspot.com/x/.config?x=5ac0d21536db480b dashboard link: https://syzkaller.appspot.com/bug?extid=cc36fd07553c0512f5f7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1365d2c3900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d5f08d900000 Reported-by: syzbot+cc36fd07553c0512f5f7@syzkaller.appspotmail.com Fixes: 58956317c8de ("neighbor: Improve garbage collection") For information about bisection process see: https://goo.gl/tpsmEJ#bisection