Commit ca7e10bf authored by Sami Tolvanen's avatar Sami Tolvanen Committed by Kees Cook
Browse files

x86/tools/relocs: Ignore __kcfi_typeid_ relocations 



The compiler generates __kcfi_typeid_ symbols for annotating assembly
functions with type information. These are constants that can be
referenced in assembly code and are resolved by the linker. Ignore
them in relocs.

Signed-off-by: default avatarSami Tolvanen <samitolvanen@google.com>
Reviewed-by: default avatarKees Cook <keescook@chromium.org>
Tested-by: default avatarKees Cook <keescook@chromium.org>
Tested-by: default avatarNathan Chancellor <nathan@kernel.org>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-20-samitolvanen@google.com
parent dfb352ab

arch/x86/tools/relocs.c

+1 −0
Original line number Diff line number Diff line
@@ -56,6 +56,7 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = { 
	"^(xen_irq_disable_direct_reloc$|"

	"xen_save_fl_direct_reloc$|"

	"VDSO|"

	"__kcfi_typeid_|"

	"__crc_)",



/*