CONFIG_UBSAN_KCOV_BROKEN:

General informations

The Linux kernel configuration item CONFIG_UBSAN_KCOV_BROKEN:

• prompt:
• type: bool
• depends on: ( CONFIG_CC_IS_CLANG ) && (!$( CONFIG_cc-option,-Werror = CONFIG_unused-command-line-argument -fsanitize = CONFIG_bounds -fsanitize-coverage = CONFIG_trace-pc ))
• defined in lib/Kconfig.ubsan
• found in Linux kernels: 5.8–5.17, 5.17+HEAD

Help text

Some versions of clang support either UBSAN or KCOV but not the combination of the two. See https://bugs.llvm.org/show_bug.cgi?id=45831 for the status in newer releases.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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