[PATCH 2/8] objtool, kcsan: Add KCSAN runtime functions to whitelist

Marco Elver
2019-10-16T08:41:19Z

This patch adds KCSAN runtime functions to the objtool whitelist.

Signed-off-by: Marco Elver <elver@google.com>
---
tools/objtool/check.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 044c9a3cb247..d1acc867b43c 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -466,6 +466,23 @@ static const char *uaccess_safe_builtin[] = {
"__asan_report_store4_noabort",
"__asan_report_store8_noabort",
"__asan_report_store16_noabort",
+ /* KCSAN */
+ "__kcsan_check_watchpoint",
+ "__kcsan_setup_watchpoint",
+ /* KCSAN/TSAN out-of-line */
+ "__tsan_func_entry",
+ "__tsan_func_exit",
+ "__tsan_read_range",
+ "__tsan_read1",
+ "__tsan_read2",
+ "__tsan_read4",
+ "__tsan_read8",
+ "__tsan_read16",
+ "__tsan_write1",
+ "__tsan_write2",
+ "__tsan_write4",
+ "__tsan_write8",
+ "__tsan_write16",
/* KCOV */
"write_comp_data",
"__sanitizer_cov_trace_pc",
--
2.23.0.700.g56cf767bdb-goog