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    SubjectRe: [PATCH] ubsan: disable unsigned-integer-overflow sanitizer with clang
    On Mon, 4 Jan 2021 15:33:36 -0700 Nathan Chancellor <natechancellor@gmail.com> wrote:

    > > > +++ b/lib/Kconfig.ubsan
    > > > @@ -122,6 +122,8 @@ config UBSAN_SIGNED_OVERFLOW
    > > >
    > > > config UBSAN_UNSIGNED_OVERFLOW
    > > > bool "Perform checking for unsigned arithmetic overflow"
    > > > + # clang hugely expands stack usage with -fsanitize=object-size
    > >
    > > This is the first time -fsanitize=object-size is mentioned. Typo?
    >
    > Copy and paste issue from CONFIG_UBSAN_OBJECT_SIZE

    This?

    --- a/lib/Kconfig.ubsan~ubsan-disable-unsigned-integer-overflow-sanitizer-with-clang-fix
    +++ a/lib/Kconfig.ubsan
    @@ -122,7 +122,7 @@ config UBSAN_SIGNED_OVERFLOW

    config UBSAN_UNSIGNED_OVERFLOW
    bool "Perform checking for unsigned arithmetic overflow"
    - # clang hugely expands stack usage with -fsanitize=object-size
    + # clang hugely expands stack usage with -fsanitize=unsigned-integer-overflow
    depends on !CC_IS_CLANG
    depends on $(cc-option,-fsanitize=unsigned-integer-overflow)
    help
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