Lines Matching +full:trade +full:- +full:off

1 # SPDX-License-Identifier: GPL-2.0-only
10 	  Compile-time instrumentation is used to detect various undefined
12 	  Documentation/dev-tools/ubsan.rst
28 	  trade-off.
39 	def_bool $(cc-option,-fsanitize=bounds-strict)
41 	  The -fsanitize=bounds-strict option is only available on GCC,
44 	  -fsanitize=bounds.
47 	def_bool $(cc-option,-fsanitize=array-bounds)
49 	  Under Clang, the -fsanitize=bounds option is actually composed
50 	  of two more specific options, -fsanitize=array-bounds and
51 	  -fsanitize=local-bounds. However, -fsanitize=local-bounds can
53 	  CONFIG_LOCAL_BOUNDS.) Explicitly check for -fsanitize=array-bounds
83 	  This option enables Clang's -fsanitize=local-bounds which traps
85 	  of a statically-known size, where an added offset (which may not
86 	  be known statically) is out-of-bounds. Since this option is
87 	  trap-only, it depends on CONFIG_UBSAN_TRAP.
90 	bool "Perform checking for bit-shift overflows"
91 	depends on $(cc-option,-fsanitize=shift)
93 	  This option enables -fsanitize=shift which checks for bit-shift
98 	bool "Perform checking for integer divide-by-zero"
99 	depends on $(cc-option,-fsanitize=integer-divide-by-zero)
101 	# https://github.com/llvm/llvm-project/issues/56289
104 	  This option enables -fsanitize=integer-divide-by-zero which checks
114 	depends on $(cc-option,-fsanitize=unreachable)
116 	  This option enables -fsanitize=unreachable which checks for control
117 	  flow reaching an expected-to-be-unreachable position.
120 	bool "Perform checking for signed arithmetic wrap-around"
125 	depends on $(cc-option,-fsanitize=signed-integer-overflow)
127 	  This option enables -fsanitize=signed-integer-overflow which checks
128 	  for wrap-around of any arithmetic operations with signed integers.
130 	  kernel's use of -fno-strict-overflow which converts all would-be
131 	  arithmetic undefined behavior into wrap-around arithmetic. Future
132 	  sanitizer versions will allow for wrap-around checking (rather than
136 	bool "Perform checking for non-boolean values used as boolean"
138 	depends on $(cc-option,-fsanitize=bool)
140 	  This option enables -fsanitize=bool which checks for boolean values being
146 	depends on $(cc-option,-fsanitize=enum)
148 	  This option enables -fsanitize=enum which checks for values being loaded
155 	depends on $(cc-option,-fsanitize=alignment)