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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2025-01-07 09:38:57 +0100 |
|---|---|---|
| committer | Kees Cook <kees@kernel.org> | 2025-01-08 14:17:33 -0800 |
| commit | a9a5e0bdc5a77a7c662ad4be0ad661f0b0d5e99d (patch) | |
| tree | 018225d4cffc1574cca65a0d9380c16e3937f413 /security | |
| parent | 62e9c1e8ecee87a86052ffeeca382f1252f7aef6 (diff) | |
| download | linux-a9a5e0bdc5a77a7c662ad4be0ad661f0b0d5e99d.tar.gz linux-a9a5e0bdc5a77a7c662ad4be0ad661f0b0d5e99d.tar.bz2 linux-a9a5e0bdc5a77a7c662ad4be0ad661f0b0d5e99d.zip | |
hardening: Document INIT_STACK_ALL_PATTERN behavior with GCC
The help text for INIT_STACK_ALL_PATTERN documents the patterns used by
Clang, but lacks documentation for GCC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/293d29d6a0d1823165be97285c1bc73e90ee9db8.1736239070.git.geert+renesas@glider.be
Signed-off-by: Kees Cook <kees@kernel.org>
Diffstat (limited to 'security')
| -rw-r--r-- | security/Kconfig.hardening | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/security/Kconfig.hardening b/security/Kconfig.hardening index c9d5ca3d8d08..b56e001e0c6a 100644 --- a/security/Kconfig.hardening +++ b/security/Kconfig.hardening @@ -127,6 +127,7 @@ choice repeating for all types and padding except float and double which use 0xFF repeating (-NaN). Clang on 32-bit uses 0xFF repeating for all types and padding. + GCC uses 0xFE repeating for all types, and zero for padding. config INIT_STACK_ALL_ZERO bool "zero-init everything (strongest and safest)" |