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scripts/kallsyms: Ignore __kcfi_typeid_ 

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 kallsyms.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-3-samitolvanen@google.com
This commit is contained in:
Sami Tolvanen 2022-09-08 14:54:44 -07:00 committed by Kees Cook
parent f143ff397a
commit d0f9562ee4
1 changed files with 1 additions and 0 deletions
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scripts/kallsyms.c
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@ -119,6 +119,7 @@ static bool is_ignored_symbol(const char *name, char type)
"__ThumbV7PILongThunk_",
"__LA25Thunk_", /* mips lld */
"__microLA25Thunk_",
"__kcfi_typeid_", /* CFI type identifiers */
NULL
};