Hang on jpeg carving in _analyzeJpeg in reassembly/reassembly.py:693

This happend while carving jpegs from a 22 GB file:

Traceback (most recent call last):
File "/usr/local/mmc/gui/gui_fc.py", line 84, in run
self.mFileCarver.runReassembly(self.mOptions, self)
File "/usr/local/mmc/filecarver.py", line 75, in runReassembly
pCaller)
File "/usr/local/mmc/reassembly/reassembly.py", line 23, in assemble
pFragments, lIdxNoHeader, self.mFiles)
File "/usr/local/mmc/reassembly/reassembly.py", line 406, in prepareFiles
self._analyzeJpeg(lFile, lData)
File "/usr/local/mmc/reassembly/reassembly.py", line 693, in _analyzeJpeg
Ls = ord(pData[(pFile.mMarker[CFileJpeg.MRK_SOS] + 2)]) * 255 +
IndexError: string index out of range