Hi Linus, Please pull this gcc-plugin addition for v4.21-rc1. Both arm and arm64 are gaining per-task stack canaries (to match x86), but arm is being done with a gcc plugin, hence it going through the gcc-plugins tree.
Thanks! -Kees The following changes since commit ccda4af0f4b92f7b4c308d3acc262f4a7e3affad: Linux 4.20-rc2 (2018-11-11 17:12:31 -0600) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/gcc-plugins-v4.21-rc1 for you to fetch changes up to 189af4657186da08a2e79fb8e906cfd82b2ccddc: ARM: smp: add support for per-task stack canaries (2018-12-12 13:20:07 -0800) ---------------------------------------------------------------- New gcc-plugin: - Enable per-task stack protector for ARM (Ard Biesheuvel) ---------------------------------------------------------------- Ard Biesheuvel (1): ARM: smp: add support for per-task stack canaries arch/arm/Kconfig | 15 ++++ arch/arm/Makefile | 12 +++ arch/arm/boot/compressed/Makefile | 1 + arch/arm/include/asm/stackprotector.h | 12 ++- arch/arm/include/asm/thread_info.h | 3 + arch/arm/kernel/asm-offsets.c | 4 + arch/arm/kernel/process.c | 6 +- scripts/Makefile.gcc-plugins | 6 ++ scripts/gcc-plugins/Kconfig | 4 + scripts/gcc-plugins/arm_ssp_per_task_plugin.c | 103 ++++++++++++++++++++++++++ 10 files changed, 163 insertions(+), 3 deletions(-) create mode 100644 scripts/gcc-plugins/arm_ssp_per_task_plugin.c -- Kees Cook
