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  1. Qt
  2. QTBUG-57141

[REG 4.8.7 -> 5.6.1] Malformed input file crashes moc

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Details

    • Bug
    • Resolution: Unresolved
    • P1: Critical
    • None
    • 5.6.1, 5.6.2, 5.8, 5.11.0, 5.15.0, 6.2.0 Beta3
    • Build tools: moc
    • Ubuntu 16.10 LTS 64 bit
      g++ 6.2.0

    Description

      moc segfaults when run on the attached malformed file:

      /home/qtrob/dev/g++-6.2.0/qt-5.6.2/qtbase/bin/moc /tmp/crashmoc.h 
Speicherzugriffsfehler

      It's clear that moc can't generate something useful from this file but still it should not crash. Qt 4.8.7 finished safely with an error message:

      /home/qtrob/dev/g++-5.3.1/qt-4.8.7/bin/moc /tmp/crashmoc.h 
/tmp/crashmoc.h:0: Note: No relevant classes found. No output generated.

      Attachments

        1. crashmoc.h
          0.1 kB
          Robert Löhning
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            fabiankosmale Fabian Kosmale
            rlohning Robert Löhning
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            Dates

              Created:
              Updated:

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