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69d0db01e2
The object-size sanitizer is redundant to -Warray-bounds, and inappropriately performs its checks at run-time when all information needed for the evaluation is available at compile-time, making it quite difficult to use: https://bugzilla.kernel.org/show_bug.cgi?id=214861 With -Warray-bounds almost enabled globally, it doesn't make sense to keep this around. Link: https://lkml.kernel.org/r/20211203235346.110809-1-keescook@chromium.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Marco Elver <elver@google.com> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Michal Marek <michal.lkml@markovi.net> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 lines
770 B
Makefile
16 lines
770 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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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_ONLY_BOUNDS) += -fsanitize=bounds
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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) += -fsanitize-undefined-trap-on-error
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export CFLAGS_UBSAN := $(ubsan-cflags-y)
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