We cannot rely on execute bits to be set on files in the repository. The build script should use the explicit interpreter when invoking any script from the repository. Link: https://lore.kernel.org/lkml/20200830174409.c24c3f67addcce0cea9a9d4c@xxxxxxxxxxxxxxxxxxxx/ Link: https://lore.kernel.org/lkml/202008271102.FEB906C88@keescook/ Suggested-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Suggested-by: Kees Cook <keescook@xxxxxxxxxxxx> Suggested-by: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx> Signed-off-by: Ujjwal Kumar <ujjwalkumar0501@xxxxxxxxx> --- Makefile | 4 ++-- arch/arm64/kernel/vdso/Makefile | 2 +- arch/arm64/kernel/vdso32/Makefile | 2 +- arch/ia64/Makefile | 4 ++-- arch/nds32/kernel/vdso/Makefile | 2 +- scripts/Makefile.build | 2 +- scripts/Makefile.package | 4 ++-- 7 files changed, 10 insertions(+), 10 deletions(-) diff --git a/Makefile b/Makefile index 0af7945caa61..df20e71dd7c8 100644 --- a/Makefile +++ b/Makefile @@ -1256,7 +1256,7 @@ include/generated/utsrelease.h: include/config/kernel.release FORCE PHONY += headerdep headerdep: $(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \ - $(srctree)/scripts/headerdep.pl -I$(srctree)/include + $(PERL) $(srctree)/scripts/headerdep.pl -I$(srctree)/include # --------------------------------------------------------------------------- # Kernel headers @@ -1312,7 +1312,7 @@ PHONY += kselftest-merge kselftest-merge: $(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!)) $(Q)find $(srctree)/tools/testing/selftests -name config | \ - xargs $(srctree)/scripts/kconfig/merge_config.sh -m $(objtree)/.config + xargs $(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m $(objtree)/.config $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig # --------------------------------------------------------------------------- diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index edccdb77c53e..fb07804b7fc1 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -65,7 +65,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE # Generate VDSO offsets using helper script gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh quiet_cmd_vdsosym = VDSOSYM $@ - cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@ + cmd_vdsosym = $(NM) $< | $(CONFIG_SHELL) $(gen-vdsosym) | LC_ALL=C sort > $@ include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE $(call if_changed,vdsosym) diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile index 7f96a1a9f68c..617c9ac58156 100644 --- a/arch/arm64/kernel/vdso32/Makefile +++ b/arch/arm64/kernel/vdso32/Makefile @@ -205,7 +205,7 @@ quiet_cmd_vdsomunge = MUNGE $@ gen-vdsosym := $(srctree)/$(src)/../vdso/gen_vdso_offsets.sh quiet_cmd_vdsosym = VDSOSYM $@ # The AArch64 nm should be able to read an AArch32 binary - cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@ + cmd_vdsosym = $(NM) $< | $(CONFIG_SHELL) $(gen-vdsosym) | LC_ALL=C sort > $@ # Install commands for the unstripped file quiet_cmd_vdso_install = INSTALL32 $@ diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile index 703b1c4f6d12..86d42a2d09cb 100644 --- a/arch/ia64/Makefile +++ b/arch/ia64/Makefile @@ -27,8 +27,8 @@ cflags-y := -pipe $(EXTRA) -ffixed-r13 -mfixed-range=f12-f15,f32-f127 \ -falign-functions=32 -frename-registers -fno-optimize-sibling-calls KBUILD_CFLAGS_KERNEL := -mconstant-gp -GAS_STATUS = $(shell $(srctree)/arch/ia64/scripts/check-gas "$(CC)" "$(OBJDUMP)") -KBUILD_CPPFLAGS += $(shell $(srctree)/arch/ia64/scripts/toolchain-flags "$(CC)" "$(OBJDUMP)" "$(READELF)") +GAS_STATUS = $(shell $(CONFIG_SHELL) $(srctree)/arch/ia64/scripts/check-gas "$(CC)" "$(OBJDUMP)") +KBUILD_CPPFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/arch/ia64/scripts/toolchain-flags "$(CC)" "$(OBJDUMP)" "$(READELF)") ifeq ($(GAS_STATUS),buggy) $(error Sorry, you need a newer version of the assember, one that is built from \ diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile index 55df25ef0057..e77d4bcfa7c1 100644 --- a/arch/nds32/kernel/vdso/Makefile +++ b/arch/nds32/kernel/vdso/Makefile @@ -39,7 +39,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE # Generate VDSO offsets using helper script gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh quiet_cmd_vdsosym = VDSOSYM $@ - cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@ + cmd_vdsosym = $(NM) $< | $(CONFIG_SHELL) $(gen-vdsosym) | LC_ALL=C sort > $@ include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE $(call if_changed,vdsosym) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index a467b9323442..893217ee4a17 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -104,7 +104,7 @@ else ifeq ($(KBUILD_CHECKSRC),2) endif ifneq ($(KBUILD_EXTRA_WARN),) - cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $< + cmd_checkdoc = $(PERL) $(srctree)/scripts/kernel-doc -none $< endif # Compile C sources (.c) diff --git a/scripts/Makefile.package b/scripts/Makefile.package index f952fb64789d..4fc16c4776cc 100644 --- a/scripts/Makefile.package +++ b/scripts/Makefile.package @@ -44,7 +44,7 @@ if test "$(objtree)" != "$(srctree)"; then \ echo >&2; \ false; \ fi ; \ -$(srctree)/scripts/setlocalversion --save-scmversion; \ +$(CONFIG_SHELL) $(srctree)/scripts/setlocalversion --save-scmversion; \ tar -I $(KGZIP) -c $(RCS_TAR_IGNORE) -f $(2).tar.gz \ --transform 's:^:$(2)/:S' $(TAR_CONTENT) $(3); \ rm -f $(objtree)/.scmversion @@ -123,7 +123,7 @@ git --git-dir=$(srctree)/.git archive --prefix=$(perf-tar)/ \ mkdir -p $(perf-tar); \ git --git-dir=$(srctree)/.git rev-parse HEAD > $(perf-tar)/HEAD; \ (cd $(srctree)/tools/perf; \ -util/PERF-VERSION-GEN $(CURDIR)/$(perf-tar)/); \ +$(CONFIG_SHELL) util/PERF-VERSION-GEN $(CURDIR)/$(perf-tar)/); \ tar rf $(perf-tar).tar $(perf-tar)/HEAD $(perf-tar)/PERF-VERSION-FILE; \ rm -r $(perf-tar); \ $(if $(findstring tar-src,$@),, \ -- 2.25.1