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ANDROID: fix allmodconfig build

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commit e0c6791d04 ("BACKPORT: security: Create "kernel hardening" config area")
introduced an x86 build breakage in allmodconfig mode.
Copying the definition of GCC_PLUGIN_STRUCTLEAK_BYREF_ALL from upstream
version of security/Kconfig.hardening fixes the build.

Change-Id: I2def59283b829b8af8fa343eb1d4ebaa3f2e145d
Reported-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Alexander Potapenko <glider@google.com>
Bug: 143965122
Fixes: e0c6791d04 ("BACKPORT: security: Create "kernel hardening" config area)
Test: manual - run `make allmodconfig && make -j64`
Signed-off-by: Todd Kjos <tkjos@google.com>
This commit is contained in:
Alexander Potapenko
2019-11-12 13:26:51 +01:00
committed by Todd Kjos
parent 3acdbda6a7
commit 8e89bf80ce
1 changed files with 8 additions and 5 deletions
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13
security/Kconfig.hardening
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@@ -43,12 +43,15 @@ choice
and information exposures. and information exposures.
config GCC_PLUGIN_STRUCTLEAK_BYREF_ALL config GCC_PLUGIN_STRUCTLEAK_BYREF_ALL
bool "Force initialize all struct type variables passed by reference" bool "zero-init anything passed by reference (very strong)"
depends on GCC_PLUGIN_STRUCTLEAK depends on GCC_PLUGINS
depends on !COMPILE_TEST select GCC_PLUGIN_STRUCTLEAK
help help
Zero initialize any struct type local variable that may Zero-initialize any stack variables that may be passed
be passed by reference without having been initialized. by reference and had not already been explicitly
initialized. This is intended to eliminate all classes
of uninitialized stack variable exploits and information
exposures.
config INIT_STACK_ALL config INIT_STACK_ALL
bool "0xAA-init everything on the stack (strongest)" bool "0xAA-init everything on the stack (strongest)"