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Groups > linux.kernel > #1202934
| From | Josh Poimboeuf <jpoimboe@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v9 04/20] x86/stackvalidate: Add file and directory ignores |
| Date | 2015-08-07 19:00 +0200 |
| Message-ID | <pUT9X-5pP-65@gated-at.bofh.it> (permalink) |
| References | <pUT9U-5pP-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Tell stackvalidate to skip validation of the following code: - boot image - vdso image - kexec purgatory - realmode - efi libstub They all run outside the kernel's normal mode of operation and they don't affect runtime kernel stack traces, so they're free to skirt the stackvalidate rules. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> --- arch/x86/boot/Makefile | 3 ++- arch/x86/boot/compressed/Makefile | 3 ++- arch/x86/entry/vdso/Makefile | 5 ++++- arch/x86/purgatory/Makefile | 2 ++ arch/x86/realmode/Makefile | 4 +++- arch/x86/realmode/rm/Makefile | 3 ++- drivers/firmware/efi/libstub/Makefile | 1 + 7 files changed, 16 insertions(+), 5 deletions(-) diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index 0d553e5..d31808c 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -14,7 +14,8 @@ # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. # The number is the same as you would ordinarily press at bootup. -KASAN_SANITIZE := n +KASAN_SANITIZE := n +STACKVALIDATE := n SVGA_MODE := -DSVGA_MODE=NORMAL_VGA diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 0a291cd..530a46f 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -16,7 +16,8 @@ # (see scripts/Makefile.lib size_append) # compressed vmlinux.bin.all + u32 size of vmlinux.bin.all -KASAN_SANITIZE := n +KASAN_SANITIZE := n +STACKVALIDATE := n targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \ vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile index 96c0617..ccaf812 100644 --- a/arch/x86/entry/vdso/Makefile +++ b/arch/x86/entry/vdso/Makefile @@ -3,7 +3,9 @@ # KBUILD_CFLAGS += $(DISABLE_LTO) -KASAN_SANITIZE := n + +KASAN_SANITIZE := n +STACKVALIDATE := n VDSO64-$(CONFIG_X86_64) := y VDSOX32-$(CONFIG_X86_X32_ABI) := y @@ -15,6 +17,7 @@ vobjs-y := vdso-note.o vclock_gettime.o vgetcpu.o # files to link into kernel obj-y += vma.o +STACKVALIDATE_vma.o := y # vDSO images to build vdso_img-$(VDSO64-y) += 64 diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile index 2c835e3..a736c19 100644 --- a/arch/x86/purgatory/Makefile +++ b/arch/x86/purgatory/Makefile @@ -1,3 +1,5 @@ +STACKVALIDATE := n + purgatory-y := purgatory.o stack.o setup-x86_$(BITS).o sha256.o entry64.o string.o targets += $(purgatory-y) diff --git a/arch/x86/realmode/Makefile b/arch/x86/realmode/Makefile index e02c2c6..7a2d4df 100644 --- a/arch/x86/realmode/Makefile +++ b/arch/x86/realmode/Makefile @@ -6,7 +6,9 @@ # for more details. # # -KASAN_SANITIZE := n +KASAN_SANITIZE := n +STACKVALIDATE := n + subdir- := rm obj-y += init.o diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile index 2730d77..d462a57 100644 --- a/arch/x86/realmode/rm/Makefile +++ b/arch/x86/realmode/rm/Makefile @@ -6,7 +6,8 @@ # for more details. # # -KASAN_SANITIZE := n +KASAN_SANITIZE := n +STACKVALIDATE := n always := realmode.bin realmode.relocs diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index 816dbe9..b392f3f 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -20,6 +20,7 @@ KBUILD_CFLAGS := $(cflags-y) \ GCOV_PROFILE := n KASAN_SANITIZE := n +STACKVALIDATE := n lib-y := efi-stub-helper.o lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v9 00/20] Compile-time stack validation Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 05/20] x86/stackvalidate: Add ignore macros Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 03/20] x86/stackvalidate: Compile-time stack validation Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 18/20] x86/asm: Create stack frames in rwsem functions Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 16/20] x86/asm/entry: Create stack frames in thunk functions Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 13/20] x86/asm/crypto: Move .Lbswap_mask data to .rodata section Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 01/20] x86/asm: Frame pointer macro cleanup Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 08/20] x86/paravirt: Create a stack frame in PV_CALLEE_SAVE_REGS_THUNK Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 11/20] x86/xen: Add xen_cpuid() and xen_setup_gdt() to stackvalidate whitelists Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 09/20] x86/amd: Set ELF function type for vide() Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 14/20] x86/asm/crypto: Move jump_table to .rodata section Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 15/20] x86/asm/crypto: Create stack frames in clmul_ghash_mul/update() Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 20/20] x86/asm/power: Create stack frames in hibernate_asm_64.S Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
Re: [PATCH v9 20/20] x86/asm/power: Create stack frames in hibernate_asm_64.S Pavel Machek <pavel@ucw.cz> - 2015-08-09 21:20 +0200
[PATCH v9 10/20] x86/reboot: Add ljmp instructions to stackvalidate whitelist Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
[PATCH v9 04/20] x86/stackvalidate: Add file and directory ignores Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
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