Failed to verify:
```
(kinetic)root@deep-thought:~# dpkg -s apport | grep Version
Version: 2.23.1-0ubuntu3.3
(kinetic)root@deep-thought:~# printf "CoreDump: base64\n
H4sICAAAAAAC/0NvcmVEdW1wAA==\n 7Z0LYFPV/cdP0rQ\n" > malformed.crash
(kinetic)root@deep-thought:~# apport-unpack malformed.crash unpack
Traceback (most recent call last):
File "/usr/bin/apport-unpack", line 84, in <module>
pr.extract_keys(f, bin_keys, args.target_directory)
File "/usr/lib/python3/dist-packages/problem_report.py", line 244, in
extract_keys
bd, line_value = self._decompress_line(
File "/usr/lib/python3/dist-packages/problem_report.py", line 300, in
_decompress_line
raise MalformedProblemReport(
problem_report.MalformedProblemReport: Malformed problem report: Incorrect
padding.
```
The exception is MalformedProblemReport, but apport-unpack does not
print an error message for it.
** Tags removed: verification-needed-kinetic
** Tags added: verification-failed-kinetic
** Changed in: apport (Ubuntu)
Status: Fix Released => Triaged
** Changed in: apport
Status: Fix Released => Triaged
** Also affects: apport (Ubuntu Lunar)
Importance: High
Assignee: Benjamin Drung (bdrung)
Status: Triaged
--
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https://bugs.launchpad.net/bugs/1997912
Title:
/usr/share/apport/whoopsie-upload-
all:binascii.Error:/usr/share/apport/whoopsie-upload-
all@249:main:collect_info:process_report:load:_decompress_line:b64decode
Status in Apport:
Triaged
Status in apport package in Ubuntu:
Triaged
Status in apport source package in Kinetic:
Fix Committed
Status in apport source package in Lunar:
Triaged
Bug description:
Impact
======
apport-unpack and whoopsie-upload-all can crash when fed with a
malformed problem report. They should print a proper error message
instead of crashing.
Test Plan
=========
1. Create malformed report:
```
printf "CoreDump: base64\n H4sICAAAAAAC/0NvcmVEdW1wAA==\n 7Z0LYFPV/cdP0rQ\n"
> malformed.crash
```
2. Try to unpack it:
```
apport-unpack malformed.crash unpack
```
It should print an error message instead of a stack trace.
Where problems could occur
==========================
The patch touches the problem report handling and therefore can affect
apport-unpack, apport-bug, whoopsie-upload-all. The change is covered
with tests and apport has a test suite running during build and as
autopkgtest.
Original report
===============
```
Traceback (most recent call last):
File "/usr/share/apport/whoopsie-upload-all", line 249, in <module>
main()
File "/usr/share/apport/whoopsie-upload-all", line 231, in main
stamps = collect_info()
File "/usr/share/apport/whoopsie-upload-all", line 162, in collect_info
res = process_report(r)
File "/usr/share/apport/whoopsie-upload-all", line 76, in process_report
r.load(f, binary="compressed")
File "/usr/lib/python3/dist-packages/problem_report.py", line 139, in load
bd, value = self._decompress_line(line, bd, value)
File "/usr/lib/python3/dist-packages/problem_report.py", line 276, in
_decompress_line
block = base64.b64decode(line)
File "/usr/lib/python3.10/base64.py", line 87, in b64decode
return binascii.a2b_base64(s)
binascii.Error: Incorrect padding
```
The Ubuntu Error Tracker has been receiving reports about a problem regarding
apport. This problem was most recently seen with package version
2.23.1-0ubuntu3, the problem page at
https://errors.ubuntu.com/problem/dd58c8169d2ec8468ccccb8b37471dfb701ac31c
contains more details, including versions of packages affected, stacktrace or
traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software
developer, you can request it at http://forms.canonical.com/reports/.
To manage notifications about this bug go to:
https://bugs.launchpad.net/apport/+bug/1997912/+subscriptions
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