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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 0C037C43603 for ; Wed, 4 Dec 2019 17:25:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D411E2077B for ; Wed, 4 Dec 2019 17:25:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728053AbfLDRZB (ORCPT ); Wed, 4 Dec 2019 12:25:01 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:56207 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727911AbfLDRZB (ORCPT ); Wed, 4 Dec 2019 12:25:01 -0500 Received: by mail-il1-f198.google.com with SMTP id d14so226120ild.22 for ; Wed, 04 Dec 2019 09:25:01 -0800 (PST) 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=7EBHqRzY74ZGF4tFe8/2rCfanQYl+zaLWG2jjw2sqJU=; b=q7DVjOadHm7prt5UOXephUBHJUY1yeT4WPaOFVz4k3MnJINvrnRRrrCtFQ3mQCPXak GuJCDiVIcKybdgR+VRTjXBsafVtFCrIluXsKk27K2dnEIj11TmFsmMbiMY52C3bWu7/I JvVgL3xEC6qirz2fTeeENn9d+1b46NDyzaaofeHRBsgUwVFlAGtp/FTYz8eVbTn5eKez +ch6r/h+xpFE4p+JjhQQg2bropajMOelz9dIUBYg6FYCTdED3NXK9rchxL3BUPXTfrUL TveCHL2r8Nz8xrldzEgtWHE3rX/jP8hAKvatn/zTBO/MNFD9L3nu01gtFmRhL6PqzA3N xuiw== X-Gm-Message-State: APjAAAVBzIrS9pRP1ttrHWV1Wd+jo5WlAWigdW1q70hceWPOoKuG+yjF +2PpEccgwI1lx0WgKq22XACkrgpbrlA+XW1ihz05CwUb/fSH X-Google-Smtp-Source: APXvYqwbE8j0A1R4STA165xAE2o2CZhzCyPUxcpg0HmtPL7kxTLcb8QkM0tXoiQbRnp/I+pW3xAbBYhdXQBcSkEqCJmXhPMwQnNb MIME-Version: 1.0 X-Received: by 2002:a05:6602:187:: with SMTP id m7mr3058050ioo.16.1575480300753; Wed, 04 Dec 2019 09:25:00 -0800 (PST) Date: Wed, 04 Dec 2019 09:25:00 -0800 In-Reply-To: <000000000000314c120598dc69bd@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ad595a0598e417a6@google.com> Subject: Re: BUG: unable to handle kernel paging request in pcpu_alloc From: syzbot To: akpm@linux-foundation.org, andriin@fb.com, aryabinin@virtuozzo.com, ast@kernel.org, bpf@vger.kernel.org, christophe.leroy@c-s.fr, daniel@iogearbox.net, dja@axtens.net, dvyukov@google.com, glider@google.com, gor@linux.ibm.com, kafai@fb.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, mark.rutland@arm.com, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, yhs@fb.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org syzbot has bisected this bug to: commit 0609ae011deb41c9629b7f5fd626dfa1ac9d16b0 Author: Daniel Axtens Date: Sun Dec 1 01:55:00 2019 +0000 x86/kasan: support KASAN_VMALLOC bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=166cf97ee00000 start commit: 1ab75b2e Add linux-next specific files for 20191203 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=156cf97ee00000 console output: https://syzkaller.appspot.com/x/log.txt?x=116cf97ee00000 kernel config: https://syzkaller.appspot.com/x/.config?x=de1505c727f0ec20 dashboard link: https://syzkaller.appspot.com/bug?extid=82e323920b78d54aaed5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=156ef061e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11641edae00000 Reported-by: syzbot+82e323920b78d54aaed5@syzkaller.appspotmail.com Fixes: 0609ae011deb ("x86/kasan: support KASAN_VMALLOC") For information about bisection process see: https://goo.gl/tpsmEJ#bisection