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CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL: zero-init anything passed by reference (very strong)

General informations

The Linux kernel configuration item CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL has multiple definitions:

zero-init anything passed by reference (very strong) found in security/Kconfig.hardening

The configuration item CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL:

Help text

Zero-initialize any stack variables that may be passed by reference and had not already been explicitly initialized. This is intended to eliminate all classes of uninitialized stack variable exploits and information exposures.

Force initialize all struct type variables passed by reference found in arch/Kconfig

The configuration item CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL:

Help text

Zero initialize any struct type local variable that may be passed by reference without having been initialized.

Hardware

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