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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 8F6BEC5ACBF for ; Mon, 16 Mar 2020 02:47:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 58F26206E9 for ; Mon, 16 Mar 2020 02:47:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="L0APqP5v" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 58F26206E9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:From:Subject:Message-ID:In-Reply-To: Date:MIME-Version:Reply-To:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=3aG4nOHZ0MLgX/xpErUoSRcqEKTWKfinc9NFV8LxevY=; b=L0APqP5v/hrsrp j4WryQZJGCWNAmTy1KlMCd9f4tH8rp2fA+3OhvYB6AEb66/u7/f2ZXfhjr/eTLxTNtNlJZyhOfon7 7HW4uJj9NrqUEXN92H23pp2ZIALjOb69msZlcsoYsCUg0lQFlYkGJkWNYLigMZYgXylsKKtSv3c4R z0vDMkneJjVvsXPUuPwsfLsq/rQXCPnrGkexh5H9MdganAL0lvqrmkzFyjWCZX9Ero81D9TSO6xGC Yg8xVtx81SSaYsBk/R6qlH9kB03/auynrCmDTy38RQNxtpbJ0nokSjf/S5vBniJNr2wyxOj7gmn2c tQujg4C0TcrQVB8zd5zA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jDfn7-0002Hc-4u; Mon, 16 Mar 2020 02:47:45 +0000 Received: from mail-il1-f200.google.com ([209.85.166.200]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jDffi-0000yk-LT for linux-arm-kernel@lists.infradead.org; Mon, 16 Mar 2020 02:40:08 +0000 Received: by mail-il1-f200.google.com with SMTP id j88so12716392ilg.9 for ; Sun, 15 Mar 2020 19:40:04 -0700 (PDT) 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=G7pIHMXafOLm3F/2/i2LvBMFMIvTzROgcOUTWFn2X6I=; b=NiZ7VE/tP6VOk5la1d1xffvng9DpYe01SzxWHCIUxJRW+lMzvinJf/yZBdKiTYHzCP bMp71udIa3Tu94pYWdHkklZ+Rp/E3BItM+B846OpU+y0ykiZcXHXEQBX2bYJev10wfaL Hy/g6rBGb7qOScilU9fEgchSnEa2UxmDg39rJegxsp1OhYCBD9au/VMsCkCozCB4Q9nR yxOQrkN8UJnc4nFdl8xiXZt4uXIMrcQqtirRy/yAAHp25M2zkcQJyz1ubrUsUMNsHf6X XRYINpz+pQNq9f9kypvInU/SgjsqaKZY3KLo0RgMQLDxM5nfZvVCkijD4Q6gsrNGXwT7 cHSQ== X-Gm-Message-State: ANhLgQ1k8i7Zl+y5ALWmPfG/nv34OwK9agZ0kA98SRa+3ZFLZdu77YXm yOLcIVBRWDChqfaUIT20++ft/kvZHdKk5iTtgNMnpbwfTBlT X-Google-Smtp-Source: ADFU+vsoZxccOxRhbL4Y/MIwgxSx220g7zIbktYsAfwneEMRwc/N8lW0/7POXMyHaJ8GuPRqszlVeuTTjg5as1yqhzbhVmbrzHSZ MIME-Version: 1.0 X-Received: by 2002:a05:6638:3dd:: with SMTP id r29mr2463944jaq.94.1584326403449; Sun, 15 Mar 2020 19:40:03 -0700 (PDT) Date: Sun, 15 Mar 2020 19:40:03 -0700 In-Reply-To: <000000000000bdb5b2059c865f5c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007c695f05a0efbc52@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@ubuntu.com, christian@brauner.io, coreteam@netfilter.org, dan.carpenter@oracle.com, 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@drgreenstore.com, info@metux.net, jcmvbkbc@gmail.com, jeremy@azazel.net, johannes.berg@intel.com, kadlec@blackhole.kfki.hu, 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-core-owner@lists.netfilter.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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200315_194006_738727_C9E3DA10 X-CRM114-Status: UNSURE ( 4.70 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org c3l6Ym90IHN1c3BlY3RzIHRoaXMgYnVnIHdhcyBmaXhlZCBieSBjb21taXQ6Cgpjb21taXQgMzJj NzIxNjVkYmQwZTI0NmU2OWQxNmEzYWQzNDhhNDg1MWFmZDQxNQpBdXRob3I6IEthZGxlY3NpayBK w7N6c2VmIDxrYWRsZWNAYmxhY2tob2xlLmtma2kuaHU+CkRhdGU6ICAgU3VuIEphbiAxOSAyMTow Njo0OSAyMDIwICswMDAwCgogICAgbmV0ZmlsdGVyOiBpcHNldDogdXNlIGJpdG1hcCBpbmZyYXN0 cnVjdHVyZSBjb21wbGV0ZWx5CgpiaXNlY3Rpb24gbG9nOiAgaHR0cHM6Ly9zeXprYWxsZXIuYXBw c3BvdC5jb20veC9iaXNlY3QudHh0P3g9MTZiOGU1NDVlMDAwMDAKc3RhcnQgY29tbWl0OiAgIGQ5 NmQ4NzVlIE1lcmdlIHRhZyAnZml4ZXNfZm9yX3Y1LjUtcmM4JyBvZiBnaXQ6Ly9naXQua2VybmUu LgpnaXQgdHJlZTogICAgICAgdXBzdHJlYW0Ka2VybmVsIGNvbmZpZzogIGh0dHBzOi8vc3l6a2Fs bGVyLmFwcHNwb3QuY29tL3gvLmNvbmZpZz94PWNmOGUyODg4ODNlNDBhYmEKZGFzaGJvYXJkIGxp bms6IGh0dHBzOi8vc3l6a2FsbGVyLmFwcHNwb3QuY29tL2J1Zz9leHRpZD02NDkxZWE4ZjZkZGRi ZjA0OTMwZQpzeXogcmVwcm86ICAgICAgaHR0cHM6Ly9zeXprYWxsZXIuYXBwc3BvdC5jb20veC9y ZXByby5zeXo/eD0xMjY3NDhkNmUwMDAwMApDIHJlcHJvZHVjZXI6ICAgaHR0cHM6Ly9zeXprYWxs ZXIuYXBwc3BvdC5jb20veC9yZXByby5jP3g9MTM4NWY5NTllMDAwMDAKCklmIHRoZSByZXN1bHQg bG9va3MgY29ycmVjdCwgcGxlYXNlIG1hcmsgdGhlIGJ1ZyBmaXhlZCBieSByZXBseWluZyB3aXRo OgoKI3N5eiBmaXg6IG5ldGZpbHRlcjogaXBzZXQ6IHVzZSBiaXRtYXAgaW5mcmFzdHJ1Y3R1cmUg Y29tcGxldGVseQoKRm9yIGluZm9ybWF0aW9uIGFib3V0IGJpc2VjdGlvbiBwcm9jZXNzIHNlZTog aHR0cHM6Ly9nb28uZ2wvdHBzbUVKI2Jpc2VjdGlvbgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGlu dXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=