[Bug 2098792] Re: apport: FileNotFoundError in _add_executable_timestamp on ExecutablePath

[Launchpad Bug Tracker]

This bug was fixed in the package apport - 2.33.1-0ubuntu1

---------------
apport (2.33.1-0ubuntu1) questing; urgency=medium

  * New upstream release
    - report:
      + check for errors in ProcMaps in crash_signature_addresses (LP: #2114171)
      + Handle FileNotFoundError when determining ExecutableTimestamp
        (LP: #2098792)
    - apport: Do not hide FileNotFoundError during crash handling
    - test: use true from GNU coreutils (LP: #2111595)

 -- Benjamin Drung <bdrung at ubuntu.com>  Fri, 04 Jul 2025 21:40:18 +0200

** Changed in: apport (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/2098792

Title:
  apport: FileNotFoundError in _add_executable_timestamp on
  ExecutablePath

Status in Apport:
  Fix Released
Status in apport package in Ubuntu:
  Fix Released
Status in apport source package in Jammy:
  New
Status in apport source package in Noble:
  New

Bug description:
  [Original report]
  ```
  Traceback (most recent call last):
    File "/usr/share/apport/apport", line 1253, in <module>
      sys.exit(main(sys.argv[1:]))
               ~~~~^^^^^^^^^^^^^^
    File "/usr/share/apport/apport", line 762, in main
      return process_crash_from_systemd_coredump(options.systemd_coredump_instance)
    File "/usr/share/apport/apport", line 1246, in process_crash_from_systemd_coredump
      report = apport.report.Report.from_systemd_coredump(coredump)
    File "/usr/lib/python3/dist-packages/apport/report.py", line 2082, in from_systemd_coredump
      report._add_executable_timestamp()
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
    File "/usr/lib/python3/dist-packages/apport/report.py", line 815, in _add_executable_timestamp
      self["ExecutableTimestamp"] = str(int(os.stat(self["ExecutablePath"]).st_mtime))
                                            ~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  FileNotFoundError: [Errno 2] No such file or directory: '/tmp/.mount_jetbraMkhivj/jetbrains-toolbox'
  ```

  The Ubuntu Error Tracker has been receiving reports about a problem regarding apport.  This problem was most recently seen with package version 2.31.0-0ubuntu4, the problem page at https://errors.ubuntu.com/problem/de11995c45fc4b1c7cc769a55d31533f6f9d8b51 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/.

  [ Impact ]

  * This is bug #4 for noble: https://errors.ubuntu.com/?release=Ubuntu%2024.04&package=apport&period=month
  *  apport: FileNotFoundError in _add_executable_timestamp on ExecutablePath:

  ```
  Traceback (most recent call last):
    File "/usr/share/apport/apport", line 1253, in <module>
      sys.exit(main(sys.argv[1:]))
               ~~~~^^^^^^^^^^^^^^
    File "/usr/share/apport/apport", line 762, in main
      return process_crash_from_systemd_coredump(options.systemd_coredump_instance)
    File "/usr/share/apport/apport", line 1246, in process_crash_from_systemd_coredump
      report = apport.report.Report.from_systemd_coredump(coredump)
    File "/usr/lib/python3/dist-packages/apport/report.py", line 2082, in from_systemd_coredump
      report._add_executable_timestamp()
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
    File "/usr/lib/python3/dist-packages/apport/report.py", line 815, in _add_executable_timestamp
      self["ExecutableTimestamp"] = str(int(os.stat(self["ExecutablePath"]).st_mtime))
                                            ~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  FileNotFoundError: [Errno 2] No such file or directory: '/tmp/.mount_jetbraMkhivj/jetbrains-toolbox'
  ```
   
  * The upload fixes the bug as https://github.com/canonical/apport/pull/538 adds a try-catch for FileNotFoundError and sets ExecutableTimestamp to an error message.

  [ Test Plan ]

   * This crash can be reproduced with systemd-coredump installed:

  ```
  cp /usr/bin/sleep /tmp/sleep
  /tmp/sleep 3600
  killall -11 sleep
  ```

  This is caused by /usr/lib/systemd/system/apport-coredump-
  hook at .service having:

  ```
  PrivateTmp=yes
  ```

   * https://github.com/canonical/apport/pull/538 also introduced a unit
  test for this.

  
  [ Where problems could occur ]

   * We are modifying the conditions for checking if a binary has
  changed since the crash so a syntax error or a logical error in the
  condition can lead to buggy behavior.

   * Since apport is primarily for crash reports, user experience is
  unlikely to be affected much.

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