[Bug 1834494] Re: latest bzip2 reports crc errors incorrectly

[Leonidas S. Barbosa]

Hey @Mark, Thanks for provide these tests (https://sourceware.org/git/?p=bzip2-tests.git;a=summary). I ran our internal regression tests on the version patched and also the tests you provided. Our tests passed, but yours fails (believe is the same you mentioned in Debian-bug).
 
See bellow:

!!! 1 .bz files did not decompressed/recompressed correctly.

Testing detection of bad input data...

Processing ./go/compress/fail-issue5747.bz2.bad
  Trying to decompress...

bzip2: Data integrity error when decompressing.
  Trying to decompress (small)...

bzip2: Data integrity error when decompressing.
Processing ./lbzip2/cve.bz2.bad
  Trying to decompress...

bzip2: Data integrity error when decompressing.
  Trying to decompress (small)...

bzip2: Data integrity error when decompressing.
Processing ./lbzip2/cve2.bz2.bad
  Trying to decompress...

bzip2: Data integrity error when decompressing.
  Trying to decompress (small)...

bzip2: Data integrity error when decompressing.
Processing ./lbzip2/overrun.bz2.bad
  Trying to decompress...

bzip2: Data integrity error when decompressing.
  Trying to decompress (small)...

bzip2: Data integrity error when decompressing.
Processing ./lbzip2/void.bz2.bad
  Trying to decompress...
  Trying to decompress (small)...
Processing ./lbzip2/crc1.bz2.bad
  Trying to decompress...

bzip2: Data integrity error when decompressing.
  Trying to decompress (small)...

bzip2: Data integrity error when decompressing.
Processing ./lbzip2/crc2.bz2.bad
  Trying to decompress...

bzip2: Data integrity error when decompressing.
  Trying to decompress (small)...

bzip2: Data integrity error when decompressing.
Processing ./lbzip2/overrun2.bz2.bad
  Trying to decompress...

bzip2: Data integrity error when decompressing.
  Trying to decompress (small)...

bzip2: Data integrity error when decompressing.

Correctly found all bad file data integrity errors.

Bad results, look for !!! in the logs above

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Title:
  latest bzip2 reports crc errors incorrectly

Status in bzip2:
  New
Status in bzip2 package in Ubuntu:
  Confirmed
Status in bzip2 source package in Xenial:
  New
Status in bzip2 source package in Bionic:
  New
Status in bzip2 source package in Cosmic:
  New
Status in bzip2 source package in Disco:
  New
Status in bzip2 package in Debian:
  Confirmed

Bug description:
  I just got the bzip2 1.0.6-8.1ubuntu0.1 updates pushed to my machine
  and am now having problems with some .tbz2 archives.  In particular, I
  can no longer extract this one:

  https://developer.nvidia.com/embedded/dlc/l4t-jetson-xavier-driver-
  package-31-1-0

  Downloading this and running:

  bunzip2 -tvv Jetson_Linux_R31.1.0_aarch64.tbz2

  ...yields a CRC error.  The previous version of bunzip2 does not
  report any errors with this archive.

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