CONFIG_UBSAN_OBJECT_SIZE: Perform checking for accesses beyond the end of objects

General informations

The Linux kernel configuration item CONFIG_UBSAN_OBJECT_SIZE:

• prompt: Perform checking for accesses beyond the end of objects
• type: bool
• depends on: (! CONFIG_CC_IS_GCC ) && ($( CONFIG_cc-option,-fsanitize = CONFIG_object-size ))
• defined in lib/Kconfig.ubsan
• found in Linux kernels: 5.11–5.16

Help text

This option enables -fsanitize=object-size which checks for accesses beyond the end of objects where the optimizer can determine both the object being operated on and its size, usually seen with bad downcasts, or access to struct members from NULL pointers.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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