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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 8EF7AC43603 for ; Sun, 15 Dec 2019 06:31:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B3F4206CB for ; Sun, 15 Dec 2019 06:31:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726192AbfLOGbC (ORCPT ); Sun, 15 Dec 2019 01:31:02 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:46237 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725788AbfLOGbB (ORCPT ); Sun, 15 Dec 2019 01:31:01 -0500 Received: by mail-il1-f198.google.com with SMTP id s85so3574818ild.13 for ; Sat, 14 Dec 2019 22:31:01 -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=uPjooTBgtNtcDU16+HUh9j8DUTREFvIUsjeh8i5zb8c=; b=YJJ5ByfVGSIouiWGJyDgW3MEnx3Fk9M+UrEoFjYJXVtdQnNV2WbF4vnhWvYR0gVR7A x1TrRmGP2Sf3QNvUtm81bGnMUAOUWJxfJyGAaNxEcX4rj39nCie97LbvDDHDpigYDr3O OCRHb4iUWSE5v51mozuY5XbSFuRFEnoiw8nTB4GxwLupKndiSMFsJVN01BfHe2jJ98O8 9iDLgdgVSflAQG9ki4tIQtO8+2on+PSyi4OMomljut6jQ9iKWMTS3kkjh9isbKfhVjKO t0/Q1Xpt2OJH05so8CzP1IlyXfM+i3g5MIBYBi/zDzub0QybfwmDSytJBHG+JpmjJoVS BtJQ== X-Gm-Message-State: APjAAAXJ0Aq9aO+K4QRKsx0kAqPBQhGhSdkjz26lYeVMHdrvZK9cdaAw rA6Wc8tyQXpHvlhD3+NuTfsIbqoqPih0mgt8aJ+YLNpKpwW/ X-Google-Smtp-Source: APXvYqww0KZklP/HZPASxOh1ECBAek11I/mQkvDmtxWf0F+hizPdRYifxpJhSeQt7ZuoAXuoj1TH6U4YiqD2qQs428uaZ4+Q3wAV MIME-Version: 1.0 X-Received: by 2002:a6b:16c5:: with SMTP id 188mr13807757iow.195.1576391461017; Sat, 14 Dec 2019 22:31:01 -0800 (PST) Date: Sat, 14 Dec 2019 22:31:01 -0800 In-Reply-To: <000000000000cd9e600599b051e5@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000f9d220599b83d18@google.com> Subject: Re: KASAN: vmalloc-out-of-bounds Read in compat_copy_entries From: syzbot To: akpm@linux-foundation.org, aryabinin@virtuozzo.com, bridge@lists.linux-foundation.org, coreteam@netfilter.org, davem@davemloft.net, dja@axtens.net, dvyukov@google.com, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, nikolay@cumulusnetworks.com, pablo@netfilter.org, roopa@cumulusnetworks.com, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org 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=166d43dee00000 start commit: e31736d9 Merge tag 'nios2-v5.5-rc2' of git://git.kernel.or.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=156d43dee00000 console output: https://syzkaller.appspot.com/x/log.txt?x=116d43dee00000 kernel config: https://syzkaller.appspot.com/x/.config?x=79f79de2a27d3e3d dashboard link: https://syzkaller.appspot.com/bug?extid=f68108fed972453a0ad4 userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16bc5946e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17302361e00000 Reported-by: syzbot+f68108fed972453a0ad4@syzkaller.appspotmail.com Fixes: 0609ae011deb ("x86/kasan: support KASAN_VMALLOC") For information about bisection process see: https://goo.gl/tpsmEJ#bisection