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=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 13CF1C32771 for ; Thu, 16 Jan 2020 00:25:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E87FF24671 for ; Thu, 16 Jan 2020 00:25:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730679AbgAPAZN (ORCPT ); Wed, 15 Jan 2020 19:25:13 -0500 Received: from mail-io1-f72.google.com ([209.85.166.72]:35044 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726552AbgAPAZM (ORCPT ); Wed, 15 Jan 2020 19:25:12 -0500 Received: by mail-io1-f72.google.com with SMTP id x10so11532065iob.2 for ; Wed, 15 Jan 2020 16:25:12 -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:message-id:subject:from:to; bh=E/oWkfdcQbDfePZTjWHYErwHEs0VAeL7p12HZGFsEIk=; b=sutFbou7b3h+tJHY15MICZ2qD1i1nNQg/aFhwOrN1Ex6GmT/I5TSBG+cqHzxUrIFJv 3UGk9sBgJbet1Q7h5rt+2ko4qB3DV5zSW4bzxMxDy7tmPm3oIUD7o0QcrjazlaybQEh2 73DWNpJpSIzGB/WiNl8X0lzr5IEKZFJ01wDj2mh9ZwHyT370Eek3VW1EUdJ80XrhAzk6 PfeeTZOOE/p3XyeAApdSUbfWfeNm7fohN7mi6FByQrJ2vGZSKlY20vy/E0POVG+2XVQa 7goh7k8Ut6G/o4iTAOBDaK0hZ3NANworF6JT2fVRGbr7DR+SJX/nX0hvqQJ8oqsk0vnL 3qOA== X-Gm-Message-State: APjAAAX1PcEQdjMfYKn5lGYILJhJwQzb2uD9njePYuP2FIh/khL2553Z ohfZvdedO7cWrigJsA9Xy7NdbR5Ul/OL4wU//CPiaTiMjTv7 X-Google-Smtp-Source: APXvYqx2DjN1NUxxTZJDCofOduxEolLGzZZA42hjKihqgv1QIIIN1OvWPIckaKHBUaWrkaJYI6IQBHwhDpVTmUJckIxSYYVVmScE MIME-Version: 1.0 X-Received: by 2002:a02:c6d5:: with SMTP id r21mr25963661jan.129.1579134311682; Wed, 15 Jan 2020 16:25:11 -0800 (PST) Date: Wed, 15 Jan 2020 16:25:11 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b3599c059c36db0d@google.com> Subject: BUG: corrupted list in nf_tables_commit From: syzbot To: coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 51d69817 Merge tag 'platform-drivers-x86-v5.5-3' of git://.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16218315e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=d9290aeb7e6cf1c4 dashboard link: https://syzkaller.appspot.com/bug?extid=37a6804945a3a13b1572 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16ad1821e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17d8fc35e00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+37a6804945a3a13b1572@syzkaller.appspotmail.com list_del corruption, ffff88808c9bb000->prev is LIST_POISON2 (dead000000000122) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:48! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9707 Comm: syz-executor974 Not tainted 5.5.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f lib/list_debug.c:48 Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 20 66 71 88 e8 c0 e7 be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 80 66 71 88 e8 ac e7 be fd <0f> 0b 4c 89 f6 48 c7 c7 40 67 71 88 e8 9b e7 be fd 0f 0b cc cc cc RSP: 0018:ffffc900020273f0 EFLAGS: 00010282 RAX: 000000000000004e RBX: ffff88808c9bb000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815e5396 RDI: fffff52000404e70 RBP: ffffc90002027408 R08: 000000000000004e R09: ffffed1015d06621 R10: ffffed1015d06620 R11: ffff8880ae833107 R12: dead000000000122 R13: ffff888093e70d80 R14: ffff88808c9bb000 R15: dffffc0000000000 FS: 0000000000d18880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003ac0 CR3: 0000000096a25000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:131 [inline] list_del_rcu include/linux/rculist.h:148 [inline] nf_tables_commit+0x1068/0x3b30 net/netfilter/nf_tables_api.c:7183 nfnetlink_rcv_batch+0xc78/0x17a0 net/netfilter/nfnetlink.c:485 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:543 [inline] nfnetlink_rcv+0x3e7/0x460 net/netfilter/nfnetlink.c:561 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:639 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:659 ____sys_sendmsg+0x753/0x880 net/socket.c:2330 ___sys_sendmsg+0x100/0x170 net/socket.c:2384 __sys_sendmsg+0x105/0x1d0 net/socket.c:2417 __do_sys_sendmsg net/socket.c:2426 [inline] __se_sys_sendmsg net/socket.c:2424 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2424 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441aa9 Code: e8 fc ab 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 9b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffcfa467588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441aa9 RDX: 0000000000000042 RSI: 0000000020003ac0 RDI: 0000000000000003 RBP: 0000000000006f6c R08: 00000000004002c8 R09: 00000000004002c8 R10: 0000000000000004 R11: 0000000000000246 R12: 00000000004028d0 R13: 0000000000402960 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 9581ba900963d50f ]--- RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f lib/list_debug.c:48 Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 20 66 71 88 e8 c0 e7 be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 80 66 71 88 e8 ac e7 be fd <0f> 0b 4c 89 f6 48 c7 c7 40 67 71 88 e8 9b e7 be fd 0f 0b cc cc cc RSP: 0018:ffffc900020273f0 EFLAGS: 00010282 RAX: 000000000000004e RBX: ffff88808c9bb000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815e5396 RDI: fffff52000404e70 RBP: ffffc90002027408 R08: 000000000000004e R09: ffffed1015d06621 R10: ffffed1015d06620 R11: ffff8880ae833107 R12: dead000000000122 R13: ffff888093e70d80 R14: ffff88808c9bb000 R15: dffffc0000000000 FS: 0000000000d18880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003ac0 CR3: 0000000096a25000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches