Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: python2.7 (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2089239
Title:
tarfile.py regression: "ReadError: invalid header"
Status in python2.7 package in Ubuntu:
Confirmed
Bug description:
After installing the latest Python2.7 (2.7.18-13ubuntu1.3) there is a problem
installing packages with PIP.
The new release has changes "Remove backtracking when parsing tarfile headers
"https://launchpad.net/ubuntu/+source/python2.7/2.7.18-13ubuntu1.3
```
pip install cryptography
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020.
Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will
drop support for Python 2.7 in January 2021. More details about Python 2
support in pip can be found at
https://pip.pypa.io/en/latest/development/release-process/#python-2-support pip
21.0 will remove support for this functionality.
Collecting cryptography
Using cached cryptography-3.3.2.tar.gz (539 kB)
ERROR: Exception:
Traceback (most recent call last):
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/cli/base_command.py",
line 223, in _main
status = self.run(options, args)
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/cli/req_command.py", line
180, in wrapper
return func(self, options, args)
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/commands/install.py",
line 321, in run
reqs, check_supported_wheels=not options.target_dir
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/resolution/legacy/resolver.py",
line 180, in resolve
discovered_reqs.extend(self._resolve_one(requirement_set, req))
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/resolution/legacy/resolver.py",
line 385, in _resolve_one
dist = self._get_dist_for(req_to_install)
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/resolution/legacy/resolver.py",
line 337, in _get_dist_for
dist = self.preparer.prepare_linked_requirement(req)
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/operations/prepare.py",
line 480, in prepare_linked_requirement
return self._prepare_linked_requirement(req, parallel_builds)
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/operations/prepare.py",
line 505, in _prepare_linked_requirement
self.download_dir, hashes,
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/operations/prepare.py",
line 263, in unpack_url
unpack_file(file.path, location, file.content_type)
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/utils/unpacking.py", line
270, in unpack_file
untar_file(filename, location)
File
"/usr/local/lib/python2.7/dist-packages/pip/_internal/utils/unpacking.py", line
187, in untar_file
tar = tarfile.open(filename, mode)
File "/usr/lib/python2.7/tarfile.py", line 1708, in open
return func(name, filemode, fileobj, **kwargs)
File "/usr/lib/python2.7/tarfile.py", line 1762, in gzopen
t = cls.taropen(name, mode, fileobj, **kwargs)
File "/usr/lib/python2.7/tarfile.py", line 1738, in taropen
return cls(name, mode, fileobj, **kwargs)
File "/usr/lib/python2.7/tarfile.py", line 1602, in __init__
self.firstmember = self.next()
File "/usr/lib/python2.7/tarfile.py", line 2385, in next
raise ReadError(str(e))
ReadError: invalid header
```
The issue happens in Ubuntu 22.04 arm64 architecture. I believe the
issue same as this bug report
https://bugs.launchpad.net/ubuntu/+source/python2.7/+bug/2089071
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