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google / kmsan

KernelMemorySanitizer, a detector of uses of uninitialized memory in the Linux kernel
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CONFIG_EFI_STUB doesn't work with KMSAN #64

Closed ramosian-glider closed 5 years ago

ramosian-glider commented 5 years ago

As reported by @vegard (and confirmed by myself), KMSAN-enable kernel doesn't link if built with CONFIG_EFI_STUB:

efi-stub-helper.c:(.text+0x1494): undefined reference to `__memcpy'
ld: drivers/firmware/efi/libstub/tpm.o: in function `efi_retrieve_tpm2_eventlog':
tpm.c:(.text+0x19c): undefined reference to `__memcpy'
ld: tpm.c:(.text+0x34e): undefined reference to `__memcpy'
ld: tpm.c:(.text+0x3c5): undefined reference to `__memset'
ld: tpm.c:(.text+0x3f3): undefined reference to `__memcpy'