diff options
| author | Sami Tolvanen <samitolvanen@google.com> | 2022-09-08 14:55:01 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2022-09-26 10:13:15 -0700 |
| commit | ca7e10bff196f69a450b9072a7b757713d3bb2dd (patch) | |
| tree | 00f75a2bafcaa58833a082d6c909bc4127ad8c0e | |
| parent | dfb352ab1162f73b8c6dc98150fa32cf5aa2f623 (diff) | |
| download | lwn-ca7e10bff196f69a450b9072a7b757713d3bb2dd.tar.gz lwn-ca7e10bff196f69a450b9072a7b757713d3bb2dd.zip | |
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: 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/20220908215504.3686827-20-samitolvanen@google.com
| -rw-r--r-- | arch/x86/tools/relocs.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c index e2c5b296120d..2925074b9a58 100644 --- a/arch/x86/tools/relocs.c +++ b/arch/x86/tools/relocs.c @@ -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_)", /* |