corrupted_packet

In [86]: len(o)
---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
<ipython-input-86-c9ec3b39e6c5> in <module>()
----> 1 len(o)

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in __len__(self)
    295         return True
    296     def __len__(self):
--> 297         return len(self.__str__())
    298     def self_build(self, field_pos_list=None):
    299         if self.raw_packet_cache is not None:

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in __str__(self)
    266                                   ct.punct(">"))
    267     def __str__(self):
--> 268         return self.build()
    269     def __div__(self, other):
    270         if isinstance(other, Packet):

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in build(self)
    328
    329     def build(self):
--> 330         p = self.do_build()
    331         p += self.build_padding()
    332         p = self.build_done(p)

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in do_build(self)
    320         for t in self.post_transforms:
    321             pkt = t(pkt)
--> 322         pay = self.do_build_payload()
    323         p = self.post_build(pkt,pay)
    324         return p

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in do_build_payload(self)
    312
    313     def do_build_payload(self):
--> 314         return self.payload.do_build()
    315
    316     def do_build(self):

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in do_build(self)
    320         for t in self.post_transforms:
    321             pkt = t(pkt)
--> 322         pay = self.do_build_payload()
    323         p = self.post_build(pkt,pay)
    324         return p

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in do_build_payload(self)
    312
    313     def do_build_payload(self):
--> 314         return self.payload.do_build()
    315
    316     def do_build(self):

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in do_build(self)
    320         for t in self.post_transforms:
    321             pkt = t(pkt)
--> 322         pay = self.do_build_payload()
    323         p = self.post_build(pkt,pay)
    324         return p

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in do_build_payload(self)
    312
    313     def do_build_payload(self):
--> 314         return self.payload.do_build()
    315
    316     def do_build(self):

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in do_build(self)
    320         for t in self.post_transforms:
    321             pkt = t(pkt)
--> 322         pay = self.do_build_payload()
    323         p = self.post_build(pkt,pay)
    324         return p

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in do_build_payload(self)
    312
    313     def do_build_payload(self):
--> 314         return self.payload.do_build()
    315
    316     def do_build(self):

/usr/local/lib/python2.7/dist-packages/scapy/packet.pyc in do_build(self)
    321             pkt = t(pkt)
    322         pay = self.do_build_payload()
--> 323         p = self.post_build(pkt,pay)
    324         return p
    325

/usr/local/lib/python2.7/dist-packages/scapy/layers/inet.pyc in post_build(self, p, pay)
    448         if dataofs is None:
    449             dataofs = 5+((len(self.get_field("options").i2m(self,self.options))+3)/4)
--> 450             p = p[:12]+chr((dataofs << 4) | ord(p[12])&0x0f)+p[13:]
    451         if self.chksum is None:
    452             if isinstance(self.underlayer, IP):

IndexError: string index out of range