:orphan:

.. title:: UBSAN

.. option:: CONFIG_UBSAN

*Build with undefined behavior sanitizer*

Type: ``bool``

Help
====

Builds Zephyr with Undefined Behavior Sanitizer enabled.
This is currently only supported by boards based on the posix
architecture, and requires a recent-ish compiler with the
``-fsanitize=undefined`` command line option.

Direct dependencies
===================

\ :option:`ARCH_POSIX <CONFIG_ARCH_POSIX>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

No defaults. Implicitly defaults to ``n``.

Kconfig definition
==================

.. highlight:: kconfig

At ``subsys/debug/Kconfig:130``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:17``

Menu path: (Top) → Sub Systems and OS Services → Debugging Options

.. parsed-literal::

    config UBSAN
    	bool "Build with undefined behavior sanitizer"
    	depends on \ :option:`ARCH_POSIX <CONFIG_ARCH_POSIX>`
    	help
    	  Builds Zephyr with Undefined Behavior Sanitizer enabled.
    	  This is currently only supported by boards based on the posix
    	  architecture, and requires a recent-ish compiler with the
    	  ``-fsanitize=undefined`` command line option.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*