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mips: Enable KCSAN

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This patch enables KCSAN for the 64-bit version. Updated rules
for the incompatible compilation units (vdso, boot/compressed).

Signed-off-by: Nemanja Rakovic <nemanja.rakovic@syrmia.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Nemanja Rakovic 2022-01-31 11:17:09 +01:00 committed by Thomas Bogendoerfer
parent d49fc69293
commit e0a8b93efa
3 changed files with 5 additions and 0 deletions
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1
arch/mips/Kconfig
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@ -101,6 +101,7 @@ config MIPS
select TRACE_IRQFLAGS_SUPPORT select TRACE_IRQFLAGS_SUPPORT
select VIRT_TO_BUS select VIRT_TO_BUS
select ARCH_HAS_ELFCORE_COMPAT select ARCH_HAS_ELFCORE_COMPAT
select HAVE_ARCH_KCSAN if 64BIT
config MIPS_FIXUP_BIGPHYS_ADDR config MIPS_FIXUP_BIGPHYS_ADDR
bool bool

1
arch/mips/boot/compressed/Makefile
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@ -38,6 +38,7 @@ KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
KCOV_INSTRUMENT := n KCOV_INSTRUMENT := n
GCOV_PROFILE := n GCOV_PROFILE := n
UBSAN_SANITIZE := n UBSAN_SANITIZE := n
KASAN_SANITIZE := n
# decompressor objects (linked with vmlinuz) # decompressor objects (linked with vmlinuz)
vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o

3
arch/mips/vdso/Makefile
View File

@ -1,6 +1,9 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
# Objects to go into the VDSO. # Objects to go into the VDSO.
# Sanitizer runtimes are unavailable and cannot be linked here.
KCSAN_SANITIZE := n
# Absolute relocation type $(ARCH_REL_TYPE_ABS) needs to be defined before # Absolute relocation type $(ARCH_REL_TYPE_ABS) needs to be defined before
# the inclusion of generic Makefile. # the inclusion of generic Makefile.
ARCH_REL_TYPE_ABS := R_MIPS_JUMP_SLOT|R_MIPS_GLOB_DAT ARCH_REL_TYPE_ABS := R_MIPS_JUMP_SLOT|R_MIPS_GLOB_DAT