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ANDROID: gki_defconfig: enable heap and stack initialization.

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This patch enables CONFIG_INIT_STACK_ALL=y and
CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y, effectively turning on stack and heap
initialization in GKI kernels.

Doing so will help us mitigate information leaks and make code that
depends on uninitialized memory execute deterministically. We'll also
get coverage for the initialization features on the existing kernel
tests.

Bug: 144999193
Change-Id: I40ad526b2e595c84b122b0308d967a3874564252
Signed-off-by: Alexander Potapenko <glider@google.com>
This commit is contained in:
Alexander Potapenko 2020-02-13 19:45:56 +01:00
commit ace4db9a40
2 changed files with 4 additions and 0 deletions
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2
arch/arm64/configs/gki_defconfig
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@ -464,6 +464,8 @@ CONFIG_SECURITY_NETWORK=y
CONFIG_HARDENED_USERCOPY=y
CONFIG_FORTIFY_SOURCE=y
CONFIG_SECURITY_SELINUX=y
CONFIG_INIT_STACK_ALL=y
CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
CONFIG_CRYPTO_ADIANTUM=y
CONFIG_CRYPTO_MD4=y
CONFIG_CRYPTO_LZ4=y

2
arch/x86/configs/gki_defconfig
View file

@ -400,6 +400,8 @@ CONFIG_SECURITY_NETWORK=y
CONFIG_HARDENED_USERCOPY=y
CONFIG_FORTIFY_SOURCE=y
CONFIG_SECURITY_SELINUX=y
CONFIG_INIT_STACK_ALL=y
CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
CONFIG_CRYPTO_ADIANTUM=y
CONFIG_CRYPTO_SHA256_SSSE3=y
CONFIG_CRYPTO_AES_NI_INTEL=y