[Qemu-devel] [Bug 938937] [NEW] Slirp --> Abort when operate dhclient

[Vincent Autefage]

Public bug reported:

Hi,

Let's consider the following line:

$ qemu -enable-kvm -name opeth -hda debian.img -k fr -localtime -m 512
-net user,vlan=0,net=192.160.0.0/24 -net
nic,vlan=0,model=$model,macaddr=a2:00:00:00:00:10

In my Guest Virtual Machine, I'm going to call the internal Slirp DHCP
Server:

address@hidden dhclient eth0


The QEMU process craches and reports this:

qemu-system-x86_64: slirp/arp_table.c:41: arp_table_add: Assertion
`(ip_addr & (__extension__ ({ register unsigned int __v, __x = (~(0xf <<
28)); if (__builtin_constant_p (__x)) __v = ((((__x) & 0xff000000) >>
24) | (((__x) & 0x00ff0000) >> 8) | (((__x) & 0x0000ff00) << 8) |
(((__x) & 0x000000ff) << 24)); else __asm__ ("bswap %0" : "=r" (__v) :
"0" (__x)); __v; }))) != 0' failed.

It's a new bug, never seen it before the 1.0 version (also tested with the last 
GIT version).
Tested on a 64bit and a 32bit system.


See you,
Vince

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/938937

Title:
  Slirp --> Abort when operate dhclient

Status in QEMU:
  New

Bug description:
  Hi,

  Let's consider the following line:

  $ qemu -enable-kvm -name opeth -hda debian.img -k fr -localtime -m 512
  -net user,vlan=0,net=192.160.0.0/24 -net
  nic,vlan=0,model=$model,macaddr=a2:00:00:00:00:10

  In my Guest Virtual Machine, I'm going to call the internal Slirp DHCP
  Server:

  address@hidden dhclient eth0

  
  The QEMU process craches and reports this:

  qemu-system-x86_64: slirp/arp_table.c:41: arp_table_add: Assertion
  `(ip_addr & (__extension__ ({ register unsigned int __v, __x = (~(0xf
  << 28)); if (__builtin_constant_p (__x)) __v = ((((__x) & 0xff000000)
  >> 24) | (((__x) & 0x00ff0000) >> 8) | (((__x) & 0x0000ff00) << 8) |
  (((__x) & 0x000000ff) << 24)); else __asm__ ("bswap %0" : "=r" (__v) :
  "0" (__x)); __v; }))) != 0' failed.

  It's a new bug, never seen it before the 1.0 version (also tested with the 
last GIT version).
  Tested on a 64bit and a 32bit system.

  
  See you,
  Vince

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