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  1. Qt
  2. QTBUG-100179

SIGFPE (divide by zero) in QTextEngine::shapeText

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    • macOS

    Description

      In the last couple of months we have gotten two crash reports of our application, getting a 'divide by zero' in QTextEngine::shapeText.

      Our application is on macOS, Windows, and Linux, and we have only seen this on macOS.

      I've attached the two crash reports.

      Our app has been running on Qt 5.15 this whole time. I recently (mid December?) updated to the latest tqtc commercial Qt 5.15, which was essentially 5.15.8. We've never had this exception before, so I'm wondering if it's something that was introduced recently.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-99227 Crash after computer goes to sleep

          • 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; Flaky tests; 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.
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              vestbo Tor Arne Vestbø
              dzedsystems Dyami Caliri
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