Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2ifdef CONFIG_UBSAN
3
4ifdef CONFIG_UBSAN_ALIGNMENT
5 CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment)
6endif
7
8ifdef CONFIG_UBSAN_BOUNDS
9 CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds)
10endif
11
12ifdef CONFIG_UBSAN_MISC
13 CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift)
14 CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero)
15 CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable)
16 CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow)
17 CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size)
18 CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool)
19 CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum)
20endif
21
22ifdef CONFIG_UBSAN_TRAP
23 CFLAGS_UBSAN += $(call cc-option, -fsanitize-undefined-trap-on-error)
24endif
25
26 # -fsanitize=* options makes GCC less smart than usual and
27 # increase number of 'maybe-uninitialized false-positives
28 CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized)
29endif