New submission from jvoisin <jvoi...@google.com>:
The attached file produces the following stacktrace when opened via
`tarfile.open` and iterated with `TarFile.getmembers`, on Python 3.7.5rc1:
```
$ cat tarrepro.py
import tarfile
import sys
with tarfile.open(sys.argv[1]) as t:
for member in t.getmembers():
pass
```
```
$ python3 tarrepro.py
crash-462a00f845e737bff6df2fe6467fc7cdd4c39cd8e27ef1d3011ec68a9808ca8e
Traceback (most recent call last):
File "tarrepro.py", line 5, in <module>
for member in t.getmembers():
File "/usr/lib/python3.7/tarfile.py", line 1763, in getmembers
self._load() # all members, we first have to
File "/usr/lib/python3.7/tarfile.py", line 2350, in _load
tarinfo = self.next()
File "/usr/lib/python3.7/tarfile.py", line 2281, in next
self.fileobj.seek(self.offset - 1)
File "/usr/lib/python3.7/gzip.py", line 368, in seek
return self._buffer.seek(offset, whence)
File "/usr/lib/python3.7/_compression.py", line 143, in seek
data = self.read(min(io.DEFAULT_BUFFER_SIZE, offset))
File "/usr/lib/python3.7/gzip.py", line 454, in read
self._read_eof()
File "/usr/lib/python3.7/gzip.py", line 501, in _read_eof
hex(self._crc)))
OSError: CRC check failed 0x21e25017 != 0x7c839e8b
```
The OSError exception isn't documented as a possible exception when using
TarFile.getmembers ( https://docs.python.org/3/library/tarfile.html ).
----------
components: Library (Lib)
files: crash-462a00f845e737bff6df2fe6467fc7cdd4c39cd8e27ef1d3011ec68a9808ca8e
messages: 358485
nosy: jvoisin
priority: normal
severity: normal
status: open
title: OSError in TarFile.getmembers()
type: behavior
versions: Python 3.7
Added file:
https://bugs.python.org/file48783/crash-462a00f845e737bff6df2fe6467fc7cdd4c39cd8e27ef1d3011ec68a9808ca8e
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue39065>
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