CONFIG_MODULE_ALLOW_BTF_MISMATCH: Allow loading modules with non-matching BTF type info

General informations

The Linux kernel configuration item CONFIG_MODULE_ALLOW_BTF_MISMATCH:

• prompt: Allow loading modules with non-matching BTF type info
• type: bool
• depends on: CONFIG_DEBUG_INFO_BTF_MODULES
• defined in lib/Kconfig.debug
• found in Linux kernels: 5.18–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

For modules whose split BTF does not match vmlinux, load without BTF rather than refusing to load. The default behavior with module BTF enabled is to reject modules with such mismatches; this option will still load module BTF where possible but ignore it when a mismatch is found.

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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