On Sat, Oct 03, 2020 at 08:51:23PM +0530, Ujjwal Kumar wrote: > 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> Reviewed-by: Nathan Chancellor <natechancellor@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 f93dbae71248..5f1399a576d4 100644 > --- a/Makefile > +++ b/Makefile > @@ -1258,7 +1258,7 @@ 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 > @@ -1314,7 +1314,7 @@ 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 de981f7b4546..30fe93bb5488 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 572475b7b7ed..4f8fe34bc75a 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 2876a7df1b0a..5f6cc3c3da50 100644 > --- a/arch/ia64/Makefile > +++ b/arch/ia64/Makefile > @@ -28,8 +28,8 @@ 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 = $($(CONFIG_SHELL) $(srctree)/arch/ia64/scripts/check-gas "$(CC)" "$(OBJDUMP)") > +KBUILD_CPPFLAGS += $($(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 $(findstring tar-src,$@),, \ > -- > 2.26.2 >
