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[209.132.180.67]) by mx.google.com with ESMTP id a10si3476346oid.244.2019.12.04.09.26.51; Wed, 04 Dec 2019 09:27:04 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728224AbfLDRZB (ORCPT + 99 others); Wed, 4 Dec 2019 12:25:01 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:51770 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727961AbfLDRZB (ORCPT ); Wed, 4 Dec 2019 12:25:01 -0500 Received: by mail-il1-f198.google.com with SMTP id x2so234246ilk.18 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=G/oPQdzY757+LZ4Xpn7DhN1rXuodH6vXsqFWaUD8yluXgOgpAHkX4lWEPDxDpxIn0B ItdBsObq/w0n5u095gK2TVydoewuI1/F84Dt2LHfsUBgnwQlE39x4kEdZTTnl83ug6jC 59NwtX5d9I0blKYk0VNt/SD8SLVE/3aVrxp+qQcsoXZI2U+cCC5hwRL3+cETL5Q6j9M+ w2CuhI5moSfEvSrlTiGbr+GCWHoAAMjBA5ldtOq6wDoRXfMXFTWhWnMj9HF2mzZmI8ei t7TuuqkYQ7id5PU2pctP0Hfaic5QxH++Ay0by67eRNYV7JNAJbQMNS3naCG6F7wv6TkG Xo6w== X-Gm-Message-State: APjAAAVOjOOfeZnXcv19LhOQXaJGgVWCIJfzwkeS7nyxZrQetMczVnkB 54uhChsTiRzm6n5YtUH10iAq7jM6PYF9SiWKuL8Wim/lsKAM 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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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