diff options
Diffstat (limited to 'lib/Kconfig.ubsan')
| -rw-r--r-- | lib/Kconfig.ubsan | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan index 27bcc2568c95..774315de555a 100644 --- a/lib/Kconfig.ubsan +++ b/lib/Kconfig.ubsan @@ -26,9 +26,20 @@ config UBSAN_TRAP 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 UBSAN_BOUNDS bool "Perform array index bounds checking" default UBSAN + depends on !UBSAN_KCOV_BROKEN help This option enables detection of directly indexed out of bounds array accesses, where the array size is known at compile time. |