the system. For some system builders this is an acceptable
trade-off.
-config UBSAN_KCOV_BROKEN
- def_bool KCOV && CC_HAS_SANCOV_TRACE_PC
- depends on CC_IS_CLANG
- depends on !$(cc-option,-Werror=unused-command-line-argument -fsanitize=bounds -fsanitize-coverage=trace-pc)
- help
- Some versions of clang support either UBSAN or KCOV but not the
- combination of the two.
- See https://bugs.llvm.org/show_bug.cgi?id=45831 for the status
- in newer releases.
-
config CC_HAS_UBSAN_BOUNDS
def_bool $(cc-option,-fsanitize=bounds)
config UBSAN_BOUNDS
bool "Perform array index bounds checking"
default UBSAN
- depends on !UBSAN_KCOV_BROKEN
depends on CC_HAS_UBSAN_ARRAY_BOUNDS || CC_HAS_UBSAN_BOUNDS
help
This option enables detection of directly indexed out of bounds
config UBSAN_LOCAL_BOUNDS
bool "Perform array local bounds checking"
depends on UBSAN_TRAP
- depends on !UBSAN_KCOV_BROKEN
depends on $(cc-option,-fsanitize=local-bounds)
help
This option enables -fsanitize=local-bounds which traps when an