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 DB298C00523 for ; Wed, 8 Jan 2020 09:14:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BB0842070E for ; Wed, 8 Jan 2020 09:14:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727631AbgAHJOO (ORCPT ); Wed, 8 Jan 2020 04:14:14 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:51457 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727608AbgAHJON (ORCPT ); Wed, 8 Jan 2020 04:14:13 -0500 Received: by mail-io1-f71.google.com with SMTP id t18so1613066iob.18 for ; Wed, 08 Jan 2020 01:14:13 -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=hSRS9RfwObBsbx/Nc6C6teGoTik7hL43psKyWtf/A/M=; b=BuPy2ifD74qf3TeGclyyZnAd5wLNGwo7JSwmlUQTavUJXUW42QwM0aPDxuq35JFc8o RF9BXL5frWdYyUf6aV0OB86s+SPSdTrbPXqjfuJgTvCm2CpxH0na0ju2rZKJVuNVkbpG biPbOEGCu/2a5Ogh3eiMIm1vDDYcZwZLs00ifF+mFxHXe9ctmiLpI9OBNhEtlpdGVMiE HnK92+RVLbu9SRco+00o8kxN3R5uZCSrBlF/tngN0xYMJJhmjenr3fHFXnxTy4UeFD4B RZR79q7Xg9gfbIPW9v3jVNdzpo+E7sSzHIEg7fHPXMUtf3dZnq8OHh5VUxpGZSzL7gxH +JCw== X-Gm-Message-State: APjAAAWBu0/8aPy6zIZe3U1KcXDsdQI2ZBXD6NR9Qv0Mi6yw5CxsyWuw B9AeUTXPCAWrlNgnIg69iXJxaaPf8NxTMR7XKGRDWpIj6W+V X-Google-Smtp-Source: APXvYqziCKc8rF9f1jQoBPqDjlag/xvMb7rqSmht/vD5K9aTc2JbRGKk1AOPxskMXaJiwUbd45Er269r9UMu84zEjO43FCAQjDto MIME-Version: 1.0 X-Received: by 2002:a92:860a:: with SMTP id g10mr2926695ild.280.1578474853067; Wed, 08 Jan 2020 01:14:13 -0800 (PST) Date: Wed, 08 Jan 2020 01:14:13 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e77578059b9d5096@google.com> Subject: general protection fault in hash_ipport4_uadt From: syzbot To: coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, gregkh@linuxfoundation.org, info@metux.net, jeremy@azazel.net, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: ae608821 Merge tag 'trace-v5.5-rc5' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11c8c29ee00000 kernel config: https://syzkaller.appspot.com/x/.config?x=18698c0c240ba616 dashboard link: https://syzkaller.appspot.com/bug?extid=f35ea63f7eb0be42fa5d compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1195293ee00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+f35ea63f7eb0be42fa5d@syzkaller.appspotmail.com kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9567 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:hash_ipport4_uadt+0x1f6/0xc20 net/netfilter/ipset/ip_set_hash_ipport.c:116 Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 45 09 00 00 4c 89 ea 45 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 e7 RSP: 0018:ffffc90002037170 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffc90002037320 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff867c0973 RDI: ffff8880978a4444 RBP: ffffc900020372b8 R08: 0000000000000000 R09: 0000000000000000 R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffffc90002037220 R13: 0000000000000000 R14: 0000000001040000 R15: ffff8880a01ed200 FS: 00007fb62049b700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000a219b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip_set_utest+0x55b/0x890 net/netfilter/ipset/ip_set_core.c:1867 nfnetlink_rcv_msg+0xcf2/0xfb0 net/netfilter/nfnetlink.c:229 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 nfnetlink_rcv+0x1ba/0x460 net/netfilter/nfnetlink.c:563 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: 0033:0x45af49 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb62049ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb62049b6d4 R13: 00000000004c9e62 R14: 00000000004e2e98 R15: 00000000ffffffff Modules linked in: ---[ end trace 6310016b54e639bc ]--- RIP: 0010:hash_ipport4_uadt+0x1f6/0xc20 net/netfilter/ipset/ip_set_hash_ipport.c:116 Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 45 09 00 00 4c 89 ea 45 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 e7 RSP: 0018:ffffc90002037170 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffc90002037320 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff867c0973 RDI: ffff8880978a4444 RBP: ffffc900020372b8 R08: 0000000000000000 R09: 0000000000000000 R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffffc90002037220 R13: 0000000000000000 R14: 0000000001040000 R15: ffff8880a01ed200 FS: 00007fb62049b700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000a219b000 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