diff options
| author | Jeff Vander Stoep <jeffv@google.com> | 2015-08-18 20:50:10 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-09-29 19:25:58 +0200 |
| commit | 1bcc586eae97f5dfb9249c2d8c9406f0f8da57ae (patch) | |
| tree | 7b4be602b02fd4ed8e3889d7f790bab30dd9bd77 /arch/arm64 | |
| parent | 2a6f41747737303b2241f0e30c6960a30102ac26 (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>
Diffstat (limited to 'arch/arm64')
| -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 7796af4b1d6f..99fe93a5021f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -101,6 +101,10 @@ config NO_IOPORT_MAP config STACKTRACE_SUPPORT def_bool y +config ILLEGAL_POINTER_VALUE + hex + default 0xdead000000000000 + config LOCKDEP_SUPPORT def_bool y |