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,URIBL_BLOCKED autolearn=unavailable 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 5A73EC3404C for ; Wed, 19 Feb 2020 02:08:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 38ECF207FD for ; Wed, 19 Feb 2020 02:08:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727915AbgBSCIC convert rfc822-to-8bit (ORCPT ); Tue, 18 Feb 2020 21:08:02 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:37412 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727893AbgBSCIC (ORCPT ); Tue, 18 Feb 2020 21:08:02 -0500 Received: by mail-io1-f71.google.com with SMTP id p4so15273940ioo.4 for ; Tue, 18 Feb 2020 18:08:01 -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:content-transfer-encoding; bh=4diWwWLXm7lY/GHl3gvscC/1M0a1R7YH2cSj9Fw5eHQ=; b=YUfCDRUtKtmOzaMxueoLBr7Hxl58XzxxuA7uGofY/sKym87VJZmOj9ydSiIjkFIYqe KIEitkKodgPcjyNYLbY+NIxXg420dZFBpbgcOsX4Y5gKNPUU3MOTI4hjiFygvu7w6WSY +Ryl2zzi36E02lKG0qGOmDqmO2CeDEi4pK901owqhX2pGDA7cRJwJ+LXKriMLhI/x7vU J/8H825Zyysu6/Lvf3HFaKwbmqwGeos1+PyrPzCPo2CfbjPex7iZeHCR7An6BvfQQUyV aguH05V/nSw9j3F8urv7LetOLiEpY3hUAglchqA64vF07rDeIFJrJ11Gp5m4/oDUW9MF Yb3A== X-Gm-Message-State: APjAAAV7+qpxwhrHpEjwSPHQYsa95Uox0+BFAZmMOhAHYsGOsTzPr7gz vB0CCjYOamwYj3UVV55j/LoYH17ke+clRQQRkJJ1M2VQimv1 X-Google-Smtp-Source: APXvYqzdxPP1bcYe7a4xOJJ2PZvwgFfZkFkliW3rcWAp+NO+QUzOk5XyZt5pyzhMqqramXLk6gwjJUtyolpYMy0PBvZtFLrsOuX6 MIME-Version: 1.0 X-Received: by 2002:a92:15c2:: with SMTP id 63mr22276770ilv.111.1582078081462; Tue, 18 Feb 2020 18:08:01 -0800 (PST) Date: Tue, 18 Feb 2020 18:08:01 -0800 In-Reply-To: <000000000000bb0378059c865fdf@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000d774c059ee442e6@google.com> Subject: Re: KASAN: use-after-free Read in bitmap_ip_destroy From: syzbot To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, coreteam@netfilter.org, davem@davemloft.net, florent.fourcot@wifirst.fr, fw@strlen.de, jeremy@azazel.net, johannes.berg@intel.com, kadlec@blackhole.kfki.hu, kadlec@netfilter.org, linux-kernel@vger.kernel.org, lipeng321@huawei.com, mareklindner@neomailbox.ch, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tanhuazhong@huawei.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 32c72165dbd0e246e69d16a3ad348a4851afd415 Author: Kadlecsik József Date: Sun Jan 19 21:06:49 2020 +0000 netfilter: ipset: use bitmap infrastructure completely bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17fc79b5e00000 start commit: 8f8972a3 Merge tag 'mtd/fixes-for-5.5-rc7' of git://git.ke.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=cfbb8fa33f49f9f3 dashboard link: https://syzkaller.appspot.com/bug?extid=8b5f151de2f35100bbc5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12e22559e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16056faee00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: netfilter: ipset: use bitmap infrastructure completely For information about bisection process see: https://goo.gl/tpsmEJ#bisection