update#1: between 6176756 and 6176767 all input file size can produce this bug. I noticed that this range is 12 which is k-1. I think this bug relates somehow to padding.
bb 2013.09.11. 11:16 keltezéssel, Bodecs Bela írta: > Hi All, > > please confirm the following bug: > > zfec command line tool, version: 1.4.24 > > steps to reproduce: > > create any file with length of 6176761 byte. Name it test.file > > zfec this file with the command line tool using parameters m=16 k=13 > > zfec -p fec_file -m 16 -k 13 -v test.file > > then unfec the resulted chunks: > > zunfec -o test.file.unfec fec_file.00_16.fec fec_file.01_16.fec > fec_file.02_16.fec fec_file.03_16.fec fec_file.04_16.fec > fec_file.05_16.fec fec_file.06_16.fec fec_file.07_16.fec > fec_file.08_16.fec fec_file.09_16.fec fec_file.10_16.fec > fec_file.11_16.fec fec_file.12_16.fec fec_file.13_16.fec > > the result file (test.file.unfec) will be a 6176768 byte sized file. > (but it should be 6176761 bytes long) > If you investigate the resulted file, you will see, that there are 7 > extra zero bytes at the end of the file. > > I have tested this file size with other k and m but I could not find any > other affected parameters to reproduce this bug. > And I could not find any other file size to reproduce this bug with m=16 > and k=13 parameters. > > Thank you in advance, > > DoubleB > _______________________________________________ > tahoe-dev mailing list > [email protected] > https://tahoe-lafs.org/cgi-bin/mailman/listinfo/tahoe-dev > _______________________________________________ tahoe-dev mailing list [email protected] https://tahoe-lafs.org/cgi-bin/mailman/listinfo/tahoe-dev
