Public bug reported:
[Impact]
The apport-test-crashes package, which is used to test the Error Tracker
deployments, fails produce crash files for binary applications since "various
security hardening fixes" were included in apport. The problematic change is
the dropping of supplemental groups in data/apport. This results in a
PermissionError as it is not the root user who is calling
/usr/share/apport/apport.
[Test Case]
The least convulted test case involves using the generate-sigsegv-crash.py
script from apport-test-crashes. This ends up using a command similar to
'/usr/share/apport/apport -p 4077 -s 11 -E /usr/bin/gnome-calculator <
/tmp/20.10-gnome-calculator.core' which then will encounter the Traceback.
1) Comment out "check_lock()" in /usr/share/apport/apport (This is necessary as
we are not running as root)
2) Put a copy of generate-sigsegv-crash.py on disk.
3) Run 'python3 /tmp/generate-sigsegv-crash.py cat'
4) Observe the following Traceback:
Traceback (most recent call last):
File "/tmp/tmpvkt5d266/apport", line 599, in <module>
drop_privileges(True)
File "/tmp/tmpvkt5d266/apport", line 125, in drop_privileges
os.setgroups([])
PermissionError: [Errno 1] Operation not permitted
With the version of apport from -proposed you'll receive no such
Traceback.
[Regression Potential]
If there is an error in the python code we code see a new traceback for any and
all crashes being generated, so ensure regular crash generation works too.
** Affects: apport (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1906565
Title:
traceback when running apport as non-root user
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