Greg Kroah-Hartman
d69a93709f
Link: https://lore.kernel.org/r/20260528194638.371537336@linuxfoundation.org Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Pavel Machek (CIP) <pavel@nabladev.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Wentao Guan <guanwentao@uniontech.com> Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
1.3 KiB
Makefile
29 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Shared with KVM/arm64.
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export CFLAGS_UBSAN_TRAP := $(call cc-option,-fsanitize-trap=undefined,-fsanitize-undefined-trap-on-error)
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# Enable available and selected UBSAN features.
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ubsan-cflags-$(CONFIG_UBSAN_ALIGNMENT) += -fsanitize=alignment
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ubsan-cflags-$(CONFIG_UBSAN_BOUNDS_STRICT) += -fsanitize=bounds-strict
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ubsan-cflags-$(CONFIG_UBSAN_ARRAY_BOUNDS) += -fsanitize=array-bounds
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ubsan-cflags-$(CONFIG_UBSAN_LOCAL_BOUNDS) += -fsanitize=local-bounds
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ubsan-cflags-$(CONFIG_UBSAN_SHIFT) += -fsanitize=shift
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ubsan-cflags-$(CONFIG_UBSAN_DIV_ZERO) += -fsanitize=integer-divide-by-zero
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ubsan-cflags-$(CONFIG_UBSAN_UNREACHABLE) += -fsanitize=unreachable
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ubsan-cflags-$(CONFIG_UBSAN_BOOL) += -fsanitize=bool
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ubsan-cflags-$(CONFIG_UBSAN_ENUM) += -fsanitize=enum
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ubsan-cflags-$(CONFIG_UBSAN_TRAP) += $(CFLAGS_UBSAN_TRAP)
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export CFLAGS_UBSAN := $(ubsan-cflags-y)
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ubsan-integer-wrap-cflags-$(CONFIG_UBSAN_INTEGER_WRAP) += \
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-DINTEGER_WRAP \
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-fsanitize-undefined-ignore-overflow-pattern=all \
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-fsanitize=signed-integer-overflow \
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-fsanitize=unsigned-integer-overflow \
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-fsanitize=implicit-signed-integer-truncation \
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-fsanitize=implicit-unsigned-integer-truncation \
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-fsanitize-ignorelist=$(srctree)/scripts/integer-wrap-ignore.scl
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export CFLAGS_UBSAN_INTEGER_WRAP := $(ubsan-integer-wrap-cflags-y)
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