[Qemu-devel] [Bug 1414466] Re: -net user, hostfwd=... is not working(qemu-system-aarch64)

From: "P.Constantine" <1414466@bugs.launchpad.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [Bug 1414466] Re: -net user, hostfwd=... is not working(qemu-system-aarch64)
Date: Tue, 17 Jan 2017 19:45:51 -0000	[thread overview]
Message-ID: <20170117194552.21645.89852.malone@gac.canonical.com> (raw)
In-Reply-To: 20150125172405.12316.8764.malonedeb@soybean.canonical.com

Doesn't work even with proper hostfwd
Doesn't work even with `-redir`

$ qemu-system-x86_64 -machine type=pc,accel=kvm -netdev
user,id=user.0,hostfwd=tcp::2851-:22 -display sdl -cpu host -smp cpus=2
-device rtl8139,netdev=user.0 -cdrom /home/kit/git/packer-
xenserver/packer_cache/57f4a00eef5b4d4157f20847e586e5ef2a503ee05c83c9296c08fd0c2f0c8e4f.iso
-boot once=d -vnc 127.0.0.1:19 -name XenServer62 -m 2048M -drive file
=output-
qemu/XenServer62,if=scsi,cache=writeback,discard=ignore,format=qcow2

** Changed in: qemu
       Status: Invalid => Confirmed

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https://bugs.launchpad.net/bugs/1414466

Title:
  -net user,hostfwd=... is not working(qemu-system-aarch64)

Status in QEMU:
  Confirmed

Bug description:
  QEMU version: git a46b3aaf6bb038d4f6f192a84df204f10929e75c

   /opt/qemu.git/bin/qemu-system-aarch64 --version
  QEMU emulator version 2.2.50, Copyright (c) 2003-2008 Fabrice Bellard

  Hosts:
  ovs - host machine (Ubuntu 14.04.1, x86_64)
  debian8-arm64 - guest 

  Guest start:
  user@ovs:~$ /opt/qemu.git/bin/qemu-system-aarch64 -machine virt -cpu cortex-a57 -nographic -smp 1 -m 512 -kernel vmlinuz-run -initrd initrd-run.img -append "root=/dev/sda2 console=ttyAMA0" -global virtio-blk-device.scsi=off -device virtio-scsi-device,id=scsi -drive file=debian8-arm64.img,id=rootimg,cache=unsafe,if=none -device scsi-hd,drive=rootimg -netdev user,id=unet -device virtio-net-device,netdev=unet -net user,hostfwd=tcp:127.0.0.1:1122-:22

  root@debian8-arm64:~# netstat -ntplu | grep ssh
  tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      410/sshd        
  tcp6       0      0 :::22                   :::*                    LISTEN      410/sshd       

  (no firewall in guest vm)

  user@ovs:~$ netstat -ntplu | grep 1122
  tcp        0      0 127.0.0.1:1122          0.0.0.0:*               LISTEN      18722/qemu-system-a

  user@ovs:~$ time ssh user@127.0.0.1 -p 1122
  ssh_exchange_identification: read: Connection reset by peer

  real	1m29.341s
  user	0m0.005s
  sys	0m0.000s

  Inside guest vm sshd works fine:
  root@debian8-arm64:~# ssh user@127.0.0.1 -p 22
  user@127.0.0.1's password: 
  ....
  user@debian8-arm64:~$ exit
  logout
  Connection to 127.0.0.1 closed.

  root@debian8-arm64:~# ssh user@10.0.2.15 -p 22
  user@10.0.2.15's password: 
  ...
  user@debian8-arm64:~$ exit
  logout
  Connection to 10.0.2.15 closed.

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