:orphan:

.. title:: CONFIG_UBSAN

.. kconfig:: CONFIG_UBSAN

CONFIG_UBSAN
############

*Build with undefined behavior sanitizer*

Type: ``bool``

Help
====

.. code-block:: none

    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
===================

\ :kconfig:`ARCH_POSIX <CONFIG_ARCH_POSIX>`

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

Defaults
========

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

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



At ``<Zephyr Subsystem>/debug/Kconfig:124``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:17``

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

.. code-block:: kconfig

    config UBSAN
    	bool "Build with undefined behavior sanitizer"
    	depends on 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.)*