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 3628CC33CAF for ; Mon, 20 Jan 2020 01:35:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1350D20684 for ; Mon, 20 Jan 2020 01:35:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729015AbgATBfC (ORCPT ); Sun, 19 Jan 2020 20:35:02 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:46520 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728927AbgATBfB (ORCPT ); Sun, 19 Jan 2020 20:35:01 -0500 Received: by mail-il1-f200.google.com with SMTP id a2so24076929ill.13 for ; Sun, 19 Jan 2020 17:35:01 -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=SIy1Y3nZuLhuVMewjZxysiWahWNFeojJqO9vrYtj798=; b=EDpt8uoQZdf+r6xDg1L2AbXlfNGn/gpqrd0fCD5STolg6YpIlG6bTB8gKVbr6mTSm8 BlyLpYP7URqcS86OKJeY6fhTHfPQyyKU1kflbTLbPiJfq0lPjB2ebTWKN6FmUAGf9TJj sqoe5Ri/htnnx0cakJyP818R3QpqEAtMMuC+gWR1uVVC3Jw3W4qNwTlz/1uIyneNqo8S f6/M7kluHiiFp2dcXojlFPsRsm9MGa0IjNRbgNQVPjP0+IVKgDS6sdxtkJODQ2S7TwBK iiWjmTq3gB4Ye2lT6bNFjYB+2mvWS3KIg5VvgT59WNrZlguUTAlIOcyrOPix+jIXtsUa Wrsg== X-Gm-Message-State: APjAAAVZRlGuwC3CEyCdVWAewUpn0oT5gzaEDacdHT8bJy2zLGw7kNUs SfmSGtbk8myybS3P0dOxRZV4t/NAPRuMIOCCNtdZU2Y/zTks X-Google-Smtp-Source: APXvYqwxdtT4a7BzshbFsXu5QysWavFxC8kpPU9PQQ8ENYkxIBwMzu1UUle0sf0x3jxjUjZL+Uhywd3DMA1wzvJ6JCkPaqCidVsU MIME-Version: 1.0 X-Received: by 2002:a92:8307:: with SMTP id f7mr8911636ild.73.1579484101183; Sun, 19 Jan 2020 17:35:01 -0800 (PST) Date: Sun, 19 Jan 2020 17:35:01 -0800 In-Reply-To: <000000000000bdb5b2059c865f5c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c795fa059c884c21@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in bitmap_ip_ext_cleanup From: syzbot To: a@unstable.cc, akpm@linux-foundation.org, allison@lohutok.net, arnd@arndb.de, axboe@kernel.dk, b.a.t.m.a.n@lists.open-mesh.org, bp@alien8.de, catalin.marinas@arm.com, chris@zankel.net, christian@brauner.io, coreteam@netfilter.org, davem@davemloft.net, elena.reshetova@intel.com, florent.fourcot@wifirst.fr, fw@strlen.de, geert@linux-m68k.org, hare@suse.com, heiko.carstens@de.ibm.com, hpa@zytor.com, info@metux.net, jcmvbkbc@gmail.com, jeremy@azazel.net, johannes.berg@intel.com, kadlec@netfilter.org, linux-api@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux@armlinux.org.uk, mareklindner@neomailbox.ch, mingo@redhat.com, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, peterz@infradead.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, viro@zeniv.linux.org.uk, will@kernel.org, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org syzbot has bisected this bug to: commit d68dbb0c9ac8b1ff52eb09aa58ce6358400fa939 Author: Christian Brauner Date: Thu Jun 20 23:26:35 2019 +0000 arch: handle arches who do not yet define clone3 bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1456fed1e00000 start commit: 09d4f10a net: sched: act_ctinfo: fix memory leak git tree: net final crash: https://syzkaller.appspot.com/x/report.txt?x=1656fed1e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1256fed1e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=7e89bd00623fe71e dashboard link: https://syzkaller.appspot.com/bug?extid=6491ea8f6dddbf04930e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=141af959e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1067fa85e00000 Reported-by: syzbot+6491ea8f6dddbf04930e@syzkaller.appspotmail.com Fixes: d68dbb0c9ac8 ("arch: handle arches who do not yet define clone3") For information about bisection process see: https://goo.gl/tpsmEJ#bisection