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Message-ID: <fb7e25d8-aba4-3dcf-7761-cb7ecb3ebb71@infradead.org>
Date: Tue, 19 Nov 2019 08:50:34 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Marco Elver <elver@...gle.com>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>,
Linux Next Mailing List <linux-next@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
kasan-dev <kasan-dev@...glegroups.com>,
Dmitry Vyukov <dvyukov@...gle.com>,
"Paul E. McKenney" <paulmck@...nel.org>
Subject: Re: linux-next: Tree for Nov 19 (kcsan)
On 11/19/19 8:12 AM, Marco Elver wrote:
> On Tue, 19 Nov 2019 at 16:11, Randy Dunlap <rdunlap@...radead.org> wrote:
>>
>> On 11/19/19 12:46 AM, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> Changes since 20191118:
>>>
>>
>> on x86_64:
>>
>> It seems that this function can already be known by the compiler as a
>> builtin:
>>
>> ../kernel/kcsan/core.c:619:6: warning: conflicting types for built-in function ‘__tsan_func_exit’ [-Wbuiltin-declaration-mismatch]
>> void __tsan_func_exit(void)
>> ^~~~~~~~~~~~~~~~
>>
>>
>> $ gcc --version
>> gcc (SUSE Linux) 7.4.1 20190905 [gcc-7-branch revision 275407]
>
> Interesting. Could you share the .config? So far I haven't been able
> to reproduce.
Sure, it's attached.
> I can get the warning if I manually add -fsanitize=thread to flags for
> kcsan/core.c (but normally disabled via KCSAN_SANITIZE := n). If
> possible could you also share the output of `make V=1` for
> kcsan/core.c?
here:
make -C /home/rdunlap/lnx/next/linux-next-20191119/xx64 -f /home/rdunlap/lnx/next/linux-next-20191119/Makefile kernel/kcsan/core.o
make[1]: Entering directory '/home/rdunlap/lnx/next/linux-next-20191119/xx64'
if [ -f ../.config -o \
-d ../include/config -o \
-d ../arch/x86/include/generated ]; then \
echo >&2 "***"; \
echo >&2 "*** The source tree is not clean, please run 'make ARCH=x86_64 mrproper'"; \
echo >&2 "*** in /home/rdunlap/lnx/next/linux-next-20191119";\
echo >&2 "***"; \
false; \
fi
ln -fsn .. source
sh ../scripts/mkmakefile ..
GEN Makefile
test -e .gitignore || \
{ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
make -f ../scripts/Makefile.build obj=arch/x86/entry/syscalls all
make -f ../scripts/Makefile.build obj=scripts/basic
rm -f .tmp_quiet_recordmcount
make -f ../scripts/Makefile.build obj=arch/x86/tools relocs
make -f ../scripts/Makefile.build obj=scripts/dtc
make -f ../scripts/Makefile.build obj=scripts
make -f ../scripts/Makefile.build obj=scripts/genksyms \
\
need-builtin= \
need-modorder=
set -e; mkdir -p include/config/; { echo "5.4.0-rc8$(sh ../scripts/setlocalversion ..)"; } > include/config/kernel.release.tmp; if [ -r include/config/kernel.release ] && cmp -s include/config/kernel.release include/config/kernel.release.tmp; then rm -f include/config/kernel.release.tmp; else : ' UPD include/config/kernel.release'; mv -f include/config/kernel.release.tmp include/config/kernel.release; fi
make -f ../scripts/Makefile.asm-generic obj=arch/x86/include/generated/uapi/asm \
generic=include/uapi/asm-generic
make -f ../scripts/Makefile.asm-generic obj=arch/x86/include/generated/asm \
generic=include/asm-generic
set -e; mkdir -p include/generated/uapi/linux/; { echo \#define LINUX_VERSION_CODE 328704; echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))'; } > include/generated/uapi/linux/version.h.tmp; if [ -r include/generated/uapi/linux/version.h ] && cmp -s include/generated/uapi/linux/version.h include/generated/uapi/linux/version.h.tmp; then rm -f include/generated/uapi/linux/version.h.tmp; else : ' UPD include/generated/uapi/linux/version.h'; mv -f include/generated/uapi/linux/version.h.tmp include/generated/uapi/linux/version.h; fi
rm -f include/linux/version.h
set -e; mkdir -p include/generated/; { if [ `echo -n "5.4.0-rc8-next-20191119" | wc -c ` -gt 64 ]; then echo '"5.4.0-rc8-next-20191119" exceeds 64 characters' >&2; exit 1; fi; echo \#define UTS_RELEASE \"5.4.0-rc8-next-20191119\"; } > include/generated/utsrelease.h.tmp; if [ -r include/generated/utsrelease.h ] && cmp -s include/generated/utsrelease.h include/generated/utsrelease.h.tmp; then rm -f include/generated/utsrelease.h.tmp; else : ' UPD include/generated/utsrelease.h'; mv -f include/generated/utsrelease.h.tmp include/generated/utsrelease.h; fi
make -f ../scripts/Makefile.build obj=scripts/mod
gcc -Wp,-MD,scripts/mod/.empty.o.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/7/include -I../arch/x86/include -I./arch/x86/include/generated -I../include -I./include -I../arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -O2 --param=allow-store-data-races=0 -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=object-size -fsanitize=bool -fsanitize=enum -Wno-maybe-uninitialized -fsanitize=thread -I ../scripts/mod -I ./scripts/mod -DKBUILD_BASENAME='"empty"' -DKBUILD_MODNAME='"empty"' -c -o scripts/mod/empty.o ../scripts/mod/empty.c
sh ../scripts/gen_ksymdeps.sh scripts/mod/empty.o >> scripts/mod/.empty.o.cmd
if objdump -h scripts/mod/empty.o | grep -q __ksymtab; then gcc -E -D__GENKSYMS__ -Wp,-MD,scripts/mod/.empty.o.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/7/include -I../arch/x86/include -I./arch/x86/include/generated -I../include -I./include -I../arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -O2 --param=allow-store-data-races=0 -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=object-size -fsanitize=bool -fsanitize=enum -Wno-maybe-uninitialized -fsanitize=thread -I ../scripts/mod -I ./scripts/mod -DKBUILD_BASENAME='"empty"' -DKBUILD_MODNAME='"empty"' ../scripts/mod/empty.c | scripts/genksyms/genksyms -r /dev/null > scripts/mod/.tmp_empty.ver; ld -m elf_x86_64 -z max-page-size=0x200000 -r -o scripts/mod/.tmp_empty.o scripts/mod/empty.o -T scripts/mod/.tmp_empty.ver; mv -f scripts/mod/.tmp_empty.o scripts/mod/empty.o; rm -f scripts/mod/.tmp_empty.ver; fi
scripts/mod/mk_elfconfig < scripts/mod/empty.o > scripts/mod/elfconfig.h
gcc -Wp,-MD,scripts/mod/.modpost.o.d -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 -I ./scripts/mod -c -o scripts/mod/modpost.o ../scripts/mod/modpost.c
gcc -Wp,-MD,scripts/mod/.devicetable-offsets.s.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/7/include -I../arch/x86/include -I./arch/x86/include/generated -I../include -I./include -I../arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -O2 --param=allow-store-data-races=0 -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=object-size -fsanitize=bool -fsanitize=enum -Wno-maybe-uninitialized -fsanitize=thread -I ../scripts/mod -I ./scripts/mod -DKBUILD_BASENAME='"devicetable_offsets"' -DKBUILD_MODNAME='"devicetable_offsets"' -fverbose-asm -S -o scripts/mod/devicetable-offsets.s ../scripts/mod/devicetable-offsets.c
set -e; mkdir -p scripts/mod/; { echo "#ifndef __DEVICETABLE_OFFSETS_H__"; echo "#define __DEVICETABLE_OFFSETS_H__"; echo "/*"; echo " * DO NOT MODIFY."; echo " *"; echo " * This file was generated by Kbuild"; echo " */"; echo ""; sed -ne 's:^[[:space:]]*\.ascii[[:space:]]*"\(.*\)".*:\1:; /^->/{s:->#\(.*\):/* \1 */:; s:^->\([^ ]*\) [\$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}' < scripts/mod/devicetable-offsets.s; echo ""; echo "#endif"; } > scripts/mod/devicetable-offsets.h.tmp; if [ -r scripts/mod/devicetable-offsets.h ] && cmp -s scripts/mod/devicetable-offsets.h scripts/mod/devicetable-offsets.h.tmp; then rm -f scripts/mod/devicetable-offsets.h.tmp; else : ' UPD scripts/mod/devicetable-offsets.h'; mv -f scripts/mod/devicetable-offsets.h.tmp scripts/mod/devicetable-offsets.h; fi
gcc -Wp,-MD,scripts/mod/.file2alias.o.d -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 -I ./scripts/mod -c -o scripts/mod/file2alias.o ../scripts/mod/file2alias.c
gcc -Wp,-MD,scripts/mod/.sumversion.o.d -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 -I ./scripts/mod -c -o scripts/mod/sumversion.o ../scripts/mod/sumversion.c
gcc -o scripts/mod/modpost scripts/mod/modpost.o scripts/mod/file2alias.o scripts/mod/sumversion.o
make -f ../scripts/Makefile.build obj=.
gcc -Wp,-MD,kernel/.bounds.s.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/7/include -I../arch/x86/include -I./arch/x86/include/generated -I../include -I./include -I../arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -O2 --param=allow-store-data-races=0 -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=object-size -fsanitize=bool -fsanitize=enum -Wno-maybe-uninitialized -fsanitize=thread -I ../. -I ./. -DKBUILD_BASENAME='"bounds"' -DKBUILD_MODNAME='"bounds"' -fverbose-asm -S -o kernel/bounds.s ../kernel/bounds.c
set -e; mkdir -p include/generated/; { echo "#ifndef __LINUX_BOUNDS_H__"; echo "#define __LINUX_BOUNDS_H__"; echo "/*"; echo " * DO NOT MODIFY."; echo " *"; echo " * This file was generated by Kbuild"; echo " */"; echo ""; sed -ne 's:^[[:space:]]*\.ascii[[:space:]]*"\(.*\)".*:\1:; /^->/{s:->#\(.*\):/* \1 */:; s:^->\([^ ]*\) [\$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}' < kernel/bounds.s; echo ""; echo "#endif"; } > include/generated/bounds.h.tmp; if [ -r include/generated/bounds.h ] && cmp -s include/generated/bounds.h include/generated/bounds.h.tmp; then rm -f include/generated/bounds.h.tmp; else : ' UPD include/generated/bounds.h'; mv -f include/generated/bounds.h.tmp include/generated/bounds.h; fi
set -e; mkdir -p include/generated/; { echo 1000 | bc -q ../kernel/time/timeconst.bc; } > include/generated/timeconst.h.tmp; if [ -r include/generated/timeconst.h ] && cmp -s include/generated/timeconst.h include/generated/timeconst.h.tmp; then rm -f include/generated/timeconst.h.tmp; else : ' UPD include/generated/timeconst.h'; mv -f include/generated/timeconst.h.tmp include/generated/timeconst.h; fi
gcc -Wp,-MD,arch/x86/kernel/.asm-offsets.s.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/7/include -I../arch/x86/include -I./arch/x86/include/generated -I../include -I./include -I../arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -O2 --param=allow-store-data-races=0 -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=object-size -fsanitize=bool -fsanitize=enum -Wno-maybe-uninitialized -fsanitize=thread -I ../. -I ./. -DKBUILD_BASENAME='"asm_offsets"' -DKBUILD_MODNAME='"asm_offsets"' -fverbose-asm -S -o arch/x86/kernel/asm-offsets.s ../arch/x86/kernel/asm-offsets.c
set -e; mkdir -p include/generated/; { echo "#ifndef __ASM_OFFSETS_H__"; echo "#define __ASM_OFFSETS_H__"; echo "/*"; echo " * DO NOT MODIFY."; echo " *"; echo " * This file was generated by Kbuild"; echo " */"; echo ""; sed -ne 's:^[[:space:]]*\.ascii[[:space:]]*"\(.*\)".*:\1:; /^->/{s:->#\(.*\):/* \1 */:; s:^->\([^ ]*\) [\$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}' < arch/x86/kernel/asm-offsets.s; echo ""; echo "#endif"; } > include/generated/asm-offsets.h.tmp; if [ -r include/generated/asm-offsets.h ] && cmp -s include/generated/asm-offsets.h include/generated/asm-offsets.h.tmp; then rm -f include/generated/asm-offsets.h.tmp; else : ' UPD include/generated/asm-offsets.h'; mv -f include/generated/asm-offsets.h.tmp include/generated/asm-offsets.h; fi
sh ../scripts/checksyscalls.sh gcc -Wp,-MD,./.missing-syscalls.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/7/include -I../arch/x86/include -I./arch/x86/include/generated -I../include -I./include -I../arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -O2 --param=allow-store-data-races=0 -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=object-size -fsanitize=bool -fsanitize=enum -Wno-maybe-uninitialized -fsanitize=thread -I ../. -I ./. -DKBUILD_BASENAME='"missing_syscalls"' -DKBUILD_MODNAME='"missing_syscalls"'
sh ../scripts/atomic/check-atomics.sh
make -f ../scripts/Makefile.build obj=scripts scripts/unifdef
make -f ../scripts/Makefile.headersinst obj=include/uapi
make -f ../scripts/Makefile.headersinst obj=arch/x86/include/uapi
make -f ../scripts/Makefile.build obj=init single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=usr single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=arch/x86 single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=kernel single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=kernel/kcsan \
\
need-builtin=1 \
need-modorder=1
gcc -Wp,-MD,kernel/kcsan/.core.o.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/7/include -I../arch/x86/include -I./arch/x86/include/generated -I../include -I./include -I../arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -O2 --param=allow-store-data-races=0 -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fno-conserve-stack -fno-stack-protector -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=object-size -fsanitize=bool -fsanitize=enum -Wno-maybe-uninitialized -I ../kernel/kcsan -I ./kernel/kcsan -DKBUILD_BASENAME='"core"' -DKBUILD_MODNAME='"core"' -c -o kernel/kcsan/core.o ../kernel/kcsan/core.c
../kernel/kcsan/core.c:619:6: warning: conflicting types for built-in function ‘__tsan_func_exit’ [-Wbuiltin-declaration-mismatch]
void __tsan_func_exit(void)
^~~~~~~~~~~~~~~~
In file included from ../include/linux/linkage.h:7:0,
from ../include/linux/kernel.h:8,
from ../include/asm-generic/bug.h:19,
from ../arch/x86/include/asm/bug.h:83,
from ../include/linux/bug.h:5,
from ../kernel/kcsan/core.c:4:
../kernel/kcsan/core.c:622:15: warning: conflicting types for built-in function ‘__tsan_func_exit’ [-Wbuiltin-declaration-mismatch]
EXPORT_SYMBOL(__tsan_func_exit);
^
../include/linux/export.h:87:21: note: in definition of macro ‘___EXPORT_SYMBOL’
extern typeof(sym) sym; \
^~~
../include/linux/export.h:128:2: note: in expansion of macro ‘__cond_export_sym_1’
__cond_export_sym_##enabled(sym, sec, ns)
^~~~~~~~~~~~~~~~~~
../include/linux/export.h:126:2: note: in expansion of macro ‘___cond_export_sym’
___cond_export_sym(sym, sec, ns, conf)
^~~~~~~~~~~~~~~~~~
../include/linux/export.h:124:2: note: in expansion of macro ‘__cond_export_sym’
__cond_export_sym(sym, sec, ns, __is_defined(__KSYM_##sym))
^~~~~~~~~~~~~~~~~
../include/linux/export.h:142:34: note: in expansion of macro ‘__EXPORT_SYMBOL’
#define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
^~~~~~~~~~~~~~~
../include/linux/export.h:145:29: note: in expansion of macro ‘_EXPORT_SYMBOL’
#define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "")
^~~~~~~~~~~~~~
../kernel/kcsan/core.c:622:1: note: in expansion of macro ‘EXPORT_SYMBOL’
EXPORT_SYMBOL(__tsan_func_exit);
^~~~~~~~~~~~~
sh ../scripts/gen_ksymdeps.sh kernel/kcsan/core.o >> kernel/kcsan/.core.o.cmd
if objdump -h kernel/kcsan/core.o | grep -q __ksymtab; then gcc -E -D__GENKSYMS__ -Wp,-MD,kernel/kcsan/.core.o.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/7/include -I../arch/x86/include -I./arch/x86/include/generated -I../include -I./include -I../arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -O2 --param=allow-store-data-races=0 -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fno-conserve-stack -fno-stack-protector -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=object-size -fsanitize=bool -fsanitize=enum -Wno-maybe-uninitialized -I ../kernel/kcsan -I ./kernel/kcsan -DKBUILD_BASENAME='"core"' -DKBUILD_MODNAME='"core"' ../kernel/kcsan/core.c | scripts/genksyms/genksyms -r /dev/null > kernel/kcsan/.tmp_core.ver; ld -m elf_x86_64 -z max-page-size=0x200000 -r -o kernel/kcsan/.tmp_core.o kernel/kcsan/core.o -T kernel/kcsan/.tmp_core.ver; mv -f kernel/kcsan/.tmp_core.o kernel/kcsan/core.o; rm -f kernel/kcsan/.tmp_core.ver; fi
make -f ../scripts/Makefile.build obj=certs single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=mm single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=fs single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=ipc single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=security single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=crypto single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=block single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=drivers single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=sound single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=samples single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=arch/x86/power single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=net single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=lib single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=arch/x86/lib single-build=1 need-builtin=1 need-modorder=1
make -f ../scripts/Makefile.build obj=virt single-build=1 need-builtin=1 need-modorder=1
make[1]: Leaving directory '/home/rdunlap/lnx/next/linux-next-20191119/xx64'
--
~Randy
Reported-by: Randy Dunlap <rdunlap@...radead.org>
View attachment "config-tsan" of type "text/plain" (79349 bytes)
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