Stackleak for arm64

Laura Abbott kernel-hardening linux-arm-kernel lkml 1 version May 2, 2018 In review

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v1 Latest May 2, 20182 patches 13 repliesIn review

Patches in v1 No applies recorded yet

#	Subject and files	Size	Replies	Applied
1/2	stackleak: Update for arm64`scripts/gcc-plugins/stackleak_plugin.c`	+4 -0	0 replies
2/2	arm64: Clear the stack`arch/arm64/Kconfig` `arch/arm64/include/asm/processor.h` `arch/arm64/kernel/Makefile` +5 more	+93 -2	22 replies

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Cover letter [PATCH 0/2] Stackleak for arm64

This is an extension of the arm64 stackleak plugin, based on top of the v11 version for x86. The biggest change from the previous version is the conversion from assembly to C. It's mostly taken straight from the x86 version modulo a few cleanups and seems to work just fine. If this gets Acks, I'd like Kees to start carrying in his tree for -next.

Laura Abbott (2):
stackleak: Update for arm64
arm64: Clear the stack

 arch/arm64/Kconfig                     |  1 +
 arch/arm64/include/asm/processor.h     |  6 ++++
 arch/arm64/kernel/Makefile             |  3 ++
 arch/arm64/kernel/entry.S              |  6 ++++
 arch/arm64/kernel/erase.c              | 55 ++++++++++++++++++++++++++++++++++
 arch/arm64/kernel/process.c            | 16 ++++++++++
 drivers/firmware/efi/libstub/Makefile  |  3 +-
 scripts/Makefile.gcc-plugins           |  5 +++-
 scripts/gcc-plugins/stackleak_plugin.c |  4 +++
 9 files changed, 97 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm64/kernel/erase.c

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2.14.3

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