rdiff delta never ends

Hi

I have a signature file that make rdiff to loop on rs_scoop_input
infinitely. It works for all other cases but fails reproductibly with that
specific signature i can provide. This signature can be broken, but i
expected rdiff to tell it and not to never ends.

doing a:
rdiff --verbose delta sigloop  anyfile delta.txt

...
rdiff: (rs_scoop_advance) advance over 8 bytes from input buffer
rdiff: (rs_loadsig_add_sum) read in checksum: weak=0x9116fb84,
strong=774b076fda15d39c
rdiff: (rs_scoop_readahead) couldn't satisfy request for 4, scooping 0
bytes
rdiff: (rs_scoop_input) accepted 2 bytes from input to scoop
rdiff: (rs_infilebuf_fill) seen end of file on input
...
then it loops on
rdiff: (rs_scoop_readahead) data is present in the scoop and must be used
rdiff: (rs_scoop_input) accepted 0 bytes from input to scoop
rdiff: (rs_scoop_readahead) still have only 2 bytes in scoop
...

If i remove the two last bytes of signature it ends without error ( i
didn't check if delta result was correct ).
I tried it with librync 0.9.5 and 0.9.7 compiled under a debian linux.

Is that endless loop known ?




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