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[Sebastien Bacher <seb128@xxxxxxxxxx>]

Thank you for your bug report. Do you have a testcase you could add to
the bug? That would be make easier to test/find out the fix to backport

Aron, you seem to co-maintain libxml in Debian, do you have any idea
about the issue?

** Changed in: libxml2 (Ubuntu)
   Importance: Undecided => High

** Changed in: libxml2 (Ubuntu)
     Assignee: (unassigned) => Aron Xu (happyaron)

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https://bugs.launchpad.net/bugs/1375637

Title:
  Premature end of data in tag file line 247651 with libxml2

Status in libxml2 package in Ubuntu:
  Confirmed

Bug description:
  Hello,

  I'm getting the following behaviour of createrepo on Ubuntu 14.04.1
  LTS with libxml2=2.9.1+dfsg1-3ubuntu4.3(trusty-updates/main) and
  libxml2=2.9.1+dfsg1-3ubuntu4(trusty/main).

  createrepo -g /home/jenkins/workspace/tmp/fuel_5_1_mirror/local_mirror/centos/os/x86_64/comps.xml \
  		-o /home/jenkins/workspace/tmp/fuel_5_1_mirror/local_mirror/centos/os/x86_64/ /home/jenkins/workspace/tmp/fuel_5_1_mirror/local_mirror/centos/os/x86_64/
  I/O error : No such file or directory

  (process:29830): GLib-WARNING **: GError set over the top of a previous GError or uninitialized memory.
  This indicates a bug in someone's code. You must ensure an error is NULL before it's set.
  The overwriting error message was: Parsing filelists.xml error: Premature end of data in tag package line 246828

  
  (process:29830): GLib-WARNING **: GError set over the top of a previous GError or uninitialized memory.
  This indicates a bug in someone's code. You must ensure an error is NULL before it's set.
  The overwriting error message was: Parsing filelists.xml error: Premature end of data in tag filelists line 2

  Spawning worker 0 with 54 pkgs
  Spawning worker 1 with 54 pkgs
  Spawning worker 2 with 54 pkgs
  Spawning worker 3 with 54 pkgs
  Spawning worker 4 with 54 pkgs
  Spawning worker 5 with 54 pkgs
  Spawning worker 6 with 54 pkgs
  Spawning worker 7 with 54 pkgs
  Spawning worker 8 with 54 pkgs
  Spawning worker 9 with 54 pkgs
  Spawning worker 10 with 53 pkgs
  Spawning worker 11 with 53 pkgs
  Spawning worker 12 with 53 pkgs
  Spawning worker 13 with 53 pkgs
  Spawning worker 14 with 53 pkgs
  Spawning worker 15 with 53 pkgs
  Spawning worker 16 with 53 pkgs
  Spawning worker 17 with 53 pkgs
  Spawning worker 18 with 53 pkgs
  Spawning worker 19 with 53 pkgs
  Spawning worker 20 with 53 pkgs
  Spawning worker 21 with 53 pkgs
  Spawning worker 22 with 53 pkgs
  Spawning worker 23 with 53 pkgs
  Workers Finished
  Saving Primary metadata
  Saving file lists metadata
  Saving other metadata
  Generating sqlite DBs
  Traceback (most recent call last):
    File "/usr/share/createrepo/genpkgmetadata.py", line 308, in <module>
      main(sys.argv[1:])
    File "/usr/share/createrepo/genpkgmetadata.py", line 280, in main
      mdgen.doRepoMetadata()
    File "/usr/lib/python2.7/dist-packages/createrepo/__init__.py", line 999, in doRepoMetadata
      rp.getFilelists(complete_path, csum)
    File "/usr/lib/python2.7/dist-packages/sqlitecachec.py", line 55, in getFilelists
      self.repoid))
  TypeError: Parsing filelists.xml error: Premature end of data in tag file line 247651


  Problem fixes by installing libxml2=2.9.1+dfsg1 from debian sid.
  Comparing patchsets in debian package sources between  2.9.1+dfsg1 and 2.9.1+dfsg1-3ubuntu4.3 I see in debian package much more patches, I suppose one of them helps in my problem:

  2.9.1+dfsg1-3ubuntu4.3:

  0001-modify-xml2-config-and-pkgconfig-behaviour.patch
  0002-Fix-an-error-in-xmlCleanupParser.patch
  0003-Fix-missing-break-on-last-function-for-attributes.patch
  0004-xmllint-memory-should-fail-on-empty-files.patch
  0005-properly-quote-the-namespace-uris-written-out-during.patch
  0006-Fix-a-parsing-bug-on-non-ascii-element-and-CR-LF-usa.patch
  0006-fix-python-multiarch-includes.patch
  0007-Fix-XPath-optimization-with-predicates.patch
  CVE-2014-0191.patch
  lp1321869.patch
  xmllint_pretty.patch

  
  2.9.1+dfsg1: 

  0001-modify-xml2-config-and-pkgconfig-behaviour.patch
  0002-fix-python-multiarch-includes.patch
  0003-Fix-an-error-in-xmlCleanupParser.patch
  0004-Fix-missing-break-on-last-function-for-attributes.patch
  0005-xmllint-memory-should-fail-on-empty-files.patch
  0006-properly-quote-the-namespace-uris-written-out-during.patch
  0007-Fix-a-parsing-bug-on-non-ascii-element-and-CR-LF-usa.patch
  0008-missing-else-in-xlink.c.patch
  0009-Catch-malloc-error-and-exit-accordingly.patch
  0010-Fix-handling-of-mmap-errors.patch
  0011-Avoid-crash-if-allocation-fails.patch
  0012-Fix-a-possible-NULL-dereference.patch
  0013-Clear-up-a-potential-NULL-dereference.patch
  0014-Fix-XPath-optimization-with-predicates.patch
  0015-xmllint-pretty-crashed-without-following-numeric-arg.patch
  0016-Fix-potential-NULL-pointer-dereferences-in-regexp-co.patch
  0017-Fix-a-potential-NULL-dereference-in-tree-code.patch
  0018-Fix-pointer-dereferenced-before-null-check.patch
  0019-Fix-a-bug-loading-some-compressed-files.patch
  0020-Avoid-a-possibility-of-dangling-encoding-handler.patch
  0021-Fix-a-couple-of-missing-NULL-checks.patch
  0022-adding-init-calls-to-xml-and-html-Read-parsing-entry.patch
  0023-Handling-of-XPath-function-arguments-in-error-case.patch
  0024-Missing-initialization-for-the-catalog-module.patch
  0025-Fix-an-fd-leak-in-an-error-case.patch
  0026-fixing-a-ptotential-uninitialized-access.patch
  0027-Fix-xmlTextWriterWriteElement-when-a-null-content-is.patch
  0028-Avoid-a-possible-NULL-pointer-dereference.patch
  0029-Do-not-fetch-external-parameter-entities.patch
  0030-Avoid-Possible-null-pointer-dereference-in-memory-de.patch
  0031-xmllint-was-not-parsing-the-c14n11-flag.patch
  0032-Fix-regressions-introduced-by-CVE-2014-0191-patch.patch

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