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  1. Qt
  2. QTBUG-91704

QMultiHash::count(key) crashes on empty container

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P1: Critical
    • Resolution: Done
    • Affects Version/s: 6.0.2
    • Fix Version/s: 6.0.3, 6.1.0 RC
    • Component/s: Core: Containers and Algorithms
    • Labels:
      None
    • Environment:
      Qt 6.0.2, VS2019 64-bit, Windows 10 20H2
    • Platform/s:
      Windows
    • Commits:
      f226854d256a382a5cc7ff08b10a0d27fbefb0fe (qt/qtbase/dev) 341654213bfd02a448490212e3b9b0d2027dfd2f (qt/qtbase/6.0) 3c224d11228f2560d99078d5f0bf91237657def1 (qt/qtbase/6.1)

      Description

      Using the following code the program crashes.

      QMultiHash count crash
      int main(int argc, char *argv[])
{
   QCoreApplication a(argc, argv);

   QMultiHash<int,int> hash;
   hash.count(2);

   return a.exec();
}

        Attachments

          Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-89687 QMultiHash::equal_range crashes when called in a const member function

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed

          Task - A task that needs to be done. QTBUG-91736 Ensure Qt containers behave correctly when empty

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Reported
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            Activity

              People

              Assignee:
              laknoll Lars Knoll
              Reporter:
              mircomir Mirco Miranda
              Votes:
              0 Vote for this issue
              Watchers:
              6 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:

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