[Qemu-devel] [Bug 938945] [NEW] Slirp cannot be forward and makes segmentation faults

[Vincent Autefage]

Public bug reported:

Hi,

Let's consider the following lines:

$ qemu -enable-kvm -name opeth -hda debian1.img -k fr -localtime -m 512
-net user,vlan=0 -net nic,vlan=0,model=$model,macaddr=a2:00:00:00:00:10
-net socket,vlan=1,listen=127.0.0.1:5900 -net
nic,vlan=1,model=$model,macaddr=a2:00:00:00:00:04

$qemu -enable-kvm -name nightwish -hda debian2.img -k fr -localtime -m
512 -net socket,vlan=0,connect=127.0.0.1:5900 -net
nic,vlan=0,model=$model,macaddr=a2:00:00:00:00:02


My configuration is clear and allows to transmit packets between the Slirp and 
the guest nightwish.
But when I try to do on nightwish :

$ wget www.qemu.org

The opeth QEMU makes a segfault :    "11586 Segmentation Fault"

This phenomenon is not always present... If the Segfault does not
appear, nightwish cannot enable a connection with internet :(


Thanks
Vince

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/938945

Title:
  Slirp cannot be forward and makes segmentation faults

Status in QEMU:
  New

Bug description:
  Hi,

  Let's consider the following lines:

  $ qemu -enable-kvm -name opeth -hda debian1.img -k fr -localtime -m
  512 -net user,vlan=0 -net
  nic,vlan=0,model=$model,macaddr=a2:00:00:00:00:10 -net
  socket,vlan=1,listen=127.0.0.1:5900 -net
  nic,vlan=1,model=$model,macaddr=a2:00:00:00:00:04

  $qemu -enable-kvm -name nightwish -hda debian2.img -k fr -localtime -m
  512 -net socket,vlan=0,connect=127.0.0.1:5900 -net
  nic,vlan=0,model=$model,macaddr=a2:00:00:00:00:02

  
  My configuration is clear and allows to transmit packets between the Slirp 
and the guest nightwish.
  But when I try to do on nightwish :

  $ wget www.qemu.org

  The opeth QEMU makes a segfault :    "11586 Segmentation Fault"

  This phenomenon is not always present... If the Segfault does not
  appear, nightwish cannot enable a connection with internet :(

  
  Thanks
  Vince

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