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  1. Qt
  2. QTBUG-117148

Using a standard bus after closing connection can lead to illegal memory access

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Details

    • Bug
    • Resolution: Invalid
    • P3: Somewhat important
    • None
    • 6.3.0
    • D-Bus
    • None
    • 21
    • Foundation Sprint 91, Foundation Sprint 92, Foundations Sprint 96, Foundations Sprint 97, Foundations Sprint 98, Foundations Sprint 99, Foundation Sprint 100, Foundation Sprint 101, Foundations Sprint 102, Foundation Sprint 103, Foundation Sprint 104, Foundation Sprint 105, Foundation Sprint 106, Foundation Sprint 107, Foundation Sprint 108, Foundation Sprint 109, Foundation Sprint 110, Foundation Sprint 111, Foundation Sprint 112, Foundation Sprint 113, Foundation Sprint 114, Foundation Sprint 115, Foundation Sprint 116, Foundation Sprint 117, Foundation Sprint 118, Foundation Sprint 119, Foundation Sprint 120, Foundation Sprint 121, Foundation Sprint 122, Foundation Sprint 123, Foundation Sprint 124, Foundation Sprint 125, Foundation Sprint 126, Foundation Sprint 127, Foundation Sprint 128

    Description

      QDBusManager caches private dbus connection objects for standard busses without appropriate adjustment of reference counts. Creating QDBusConnection objects for a standard bus after connection to it was closed may result in an object with the private pointer pointing to freed memory.

      Attachments

        1. dbusinterface.tar.gz
          0.8 kB
          Ievgenii Meshcheriakov

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-116621 tst_qdbusconnection: Test crashes sometimes in CI

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • In Review
          For Gerrit Dashboard: QTBUG-117148
          # Subject Branch Project Status CR V
          501309,31 QtDBus: Fix reference counting for QDBusConnectionPrivate dev qt/qtbase Status: NEW +1 0

          Activity

            People

              manordheim Mårten Nordheim
              ievgenii.meshcheriakov Ievgenii Meshcheriakov
              Vladimir Minenko Vladimir Minenko
              Alex Blasche Alex Blasche
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              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews

                  There is 1 open Gerrit change