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| author | Jeff Vander Stoep <jeffv@google.com> | 2015-08-18 11:15:53 -0700 |
|---|---|---|
| committer | Mark Salyzyn <salyzyn@google.com> | 2015-08-26 15:16:56 +0000 |
| commit | e02055c7435e972931640d966fc0ec9562cf0eb6 (patch) | |
| tree | 3d8ba72ff78c8dc8ed2679e3fa7fe6b9dbf9bc2b | |
| parent | 7e5e463e9e621f6c96cc324a4a18ed88273b6853 (diff) | |
arm64 Kconfig: Move LIST_POISON to a safe value
Move the poison pointer offset to 0xdead000000000000, a
recognized value that is not mappable by user-space exploits.
Change-Id: I558441a26a7c8390aa087f32c4cbe980de8c8ce3
Signed-off-by: Thierry Strudel <tstrudel@google.com>
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
| -rw-r--r-- | arch/arm64/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index d564fb7f62b3..70b7d2e420f6 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -89,6 +89,10 @@ config MMU config NO_IOPORT_MAP def_bool y if !PCI +config ILLEGAL_POINTER_VALUE + hex + default 0xdead000000000000 + config STACKTRACE_SUPPORT def_bool y |