QProcess dead lock on kernel-4.18.0.372.9.1 at waitid() syscall event.

Solution Verified - Updated -

Issue

  • System commands managed by the C++ API QProcess (from Qt 5.15.2 shipped with OS) that write
    enough data (~100KB) to stdout happen to freeze after updating the system to RHEL 8.6.

Environment

  • Red Hat Enterprise Linux 8.6
  • Qprocess/QT

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