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=-3.7 required=3.0 tests=BAYES_00,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 36702C48BE5 for ; Wed, 23 Jun 2021 09:15:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 232BC6044F for ; Wed, 23 Jun 2021 09:15:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230157AbhFWJRm (ORCPT ); Wed, 23 Jun 2021 05:17:42 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:38852 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230188AbhFWJRl (ORCPT ); Wed, 23 Jun 2021 05:17:41 -0400 Received: by mail-il1-f198.google.com with SMTP id w2-20020a056e021a62b02901ee3a728339so1333910ilv.5 for ; Wed, 23 Jun 2021 02:15:23 -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:message-id:subject:from:to; bh=tu+XTnTLmC9DibbRT9Ja/k7FUiyom6JkIMBLX50ARKo=; b=i/pUoVUBiFaW18iOKzhCuQWkGlYvOL7vZx54bk15zcKSkElsVQkE56m9JGQ6k/FWG8 JAV+0fIsZPblNrXdorBprJOz4Ij1bo40uwB7YoTBMjS5haPlZLm+pPvgEw4EyoiU6XI8 pqJN+r8mNmg6CFJRvFc7upRjNV+in0KG3VCpqPYAXZw2F8rZ8SUz8yAfbSjISplModX1 HOZEWQGxnaqyCfmV54zgUZmN3h/QyprRDaBtD+h5N2Xxa4OkzioMzI+yC5IAhL9pcMXQ C5xMJMeKtwAn4W7rx9JfZrS7nXJcSXBFZKxQTb1XspdJAsbZmxyJksbvFyNYA75kwabt S9tA== X-Gm-Message-State: AOAM531Zx7K3eeVm0qRQErA7/X+Y4LO4SopukxAtN8vubRsb44kKUR1S vMRiIb5j4ZgnUsZvnraxb7IFXi21+SgGo6Ft9ECfmkLWING6 X-Google-Smtp-Source: ABdhPJx+TvC18vUgDtM/8/PQwHM8IDggKp4p/DvJ5T0Ya/ItnxEhnGJ1rQGrB461kRji28Bs/ivSB/XZunBwKS4d2V0bDZecfUqE MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a66:: with SMTP id w6mr2222624ilv.99.1624439723269; Wed, 23 Jun 2021 02:15:23 -0700 (PDT) Date: Wed, 23 Jun 2021 02:15:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000aa23a205c56b587d@google.com> Subject: [syzbot] WARNING: zero-size vmalloc in corrupted From: syzbot To: akpm@linux-foundation.org, coreteam@netfilter.org, davem@davemloft.net, dsahern@kernel.org, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 13311e74 Linux 5.13-rc7 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15d01e58300000 kernel config: https://syzkaller.appspot.com/x/.config?x=42ecca11b759d96c dashboard link: https://syzkaller.appspot.com/bug?extid=c2f6f09fe907a838effb syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14bb89e8300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17cc51b8300000 The issue was bisected to: commit f9006acc8dfe59e25aa75729728ac57a8d84fc32 Author: Florian Westphal Date: Wed Apr 21 07:51:08 2021 +0000 netfilter: arp_tables: pass table pointer via nf_hook_ops bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13b88400300000 final oops: https://syzkaller.appspot.com/x/report.txt?x=10788400300000 console output: https://syzkaller.appspot.com/x/log.txt?x=17b88400300000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c2f6f09fe907a838effb@syzkaller.appspotmail.com Fixes: f9006acc8dfe ("netfilter: arp_tables: pass table pointer via nf_hook_ops") usb 1-1: media controller created dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. cxusb: set interface failed dvb-usb: bulk message failed: -22 (1/0) DVB: Unable to find symbol mt352_attach() dvb-usb: no frontend was attached by 'DViCO FusionHDTV DVB-T USB (LGZ201)' dvbdev: DVB: registering new adapter (DViCO FusionHDTV DVB-T USB (LGZ201)) usb 1-1: media controller created ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2950 at mm/vmalloc.c:2873 __vmalloc_node_range+0x769/0x970 mm/vmalloc.c:2873 Modules linked in: CPU: 1 PID: 2950 Comm: kworker/1:2 Not tainted 5.13.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:__vmalloc_node_range+0x769/0x970 mm/vmalloc.c:2873 Code: c7 04 24 00 00 00 00 eb 93 e8 b3 44 c5 ff 44 89 fa 44 89 f6 4c 89 ef e8 05 f7 09 00 48 89 04 24 e9 be fb ff ff e8 97 44 c5 ff <0f> 0b 48 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches