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| author | Jeff Vander Stoep <jeffv@google.com> | 2015-08-18 20:50:10 +0100 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2016-08-26 20:01:56 +0200 |
| commit | 062f2b101ba2e66ea191aaa11d2c6811431c6d5a (patch) | |
| tree | b5613dc326454a47fabae27e4b6ceeca1b977b52 /arch | |
| parent | 2fcf949ea9ff86304690caf7967c00bef16d26f4 (diff) | |
arm64: kconfig: Move LIST_POISON to a safe value
commit bf0c4e04732479f650ff59d1ee82de761c0071f0 upstream.
Move the poison pointer offset to 0xdead000000000000, a
recognized value that is not mappable by user-space exploits.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Thierry Strudel <tstrudel@google.com>
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stefan Guendhoer <stefan@guendhoer.com>
Diffstat (limited to 'arch')
| -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 396ba9c26..1d4b6e08e 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -75,6 +75,10 @@ config NO_IOPORT config STACKTRACE_SUPPORT def_bool y +config ILLEGAL_POINTER_VALUE + hex + default 0xdead000000000000 + config LOCKDEP_SUPPORT def_bool y |