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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-22 05:32:04 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-22 05:32:04 +0300 |
| commit | 2142b7f0c6bbe1f9515ce3383de9f7a32a5a025b (patch) | |
| tree | e1c28d1fc2cf8a905254b6f4475a4e65dfddce82 /security | |
| parent | fd2d7a4a354539dc141f702c6c277bf3380e8778 (diff) | |
| parent | afcf5441b9ff22ac57244cd45ff102ebc2e32d1a (diff) | |
| download | linux-2142b7f0c6bbe1f9515ce3383de9f7a32a5a025b.tar.xz | |
Merge tag 'hardening-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull kernel hardening updates from Kees Cook:
- Add arm64 Shadow Call Stack support for GCC 12 (Dan Li)
- Avoid memset with stack offset randomization under Clang (Marco
Elver)
- Clean up stackleak plugin to play nice with .noinstr (Kees Cook)
- Check stack depth for greater usercopy hardening coverage (Kees Cook)
* tag 'hardening-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
arm64: Add gcc Shadow Call Stack support
m68k: Implement "current_stack_pointer"
xtensa: Implement "current_stack_pointer"
usercopy: Check valid lifetime via stack depth
stack: Constrain and fix stack offset randomization with Clang builds
stack: Introduce CONFIG_RANDOMIZE_KSTACK_OFFSET
gcc-plugins/stackleak: Ignore .noinstr.text and .entry.text
gcc-plugins/stackleak: Exactly match strings instead of prefixes
gcc-plugins/stackleak: Provide verbose mode
Diffstat (limited to 'security')
| -rw-r--r-- | security/Kconfig.hardening | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/security/Kconfig.hardening b/security/Kconfig.hardening index d051f8ceefdd..ded4d7c0d132 100644 --- a/security/Kconfig.hardening +++ b/security/Kconfig.hardening @@ -174,6 +174,16 @@ config GCC_PLUGIN_STACKLEAK * https://grsecurity.net/ * https://pax.grsecurity.net/ +config GCC_PLUGIN_STACKLEAK_VERBOSE + bool "Report stack depth analysis instrumentation" if EXPERT + depends on GCC_PLUGIN_STACKLEAK + depends on !COMPILE_TEST # too noisy + help + This option will cause a warning to be printed each time the + stackleak plugin finds a function it thinks needs to be + instrumented. This is useful for comparing coverage between + builds. + config STACKLEAK_TRACK_MIN_SIZE int "Minimum stack frame size of functions tracked by STACKLEAK" default 100 |