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| author | Daniel Axtens | 2016-01-21 00:00:58 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2016-01-21 02:09:18 +0100 |
| commit | bf76f73c5f6554df1bd337aea5b3ea561f09632c (patch) | |
| tree | 5719fb8079f122e75e3cc6b5a654907601e91b90 /arch/powerpc/Kconfig | |
| parent | UBSAN: run-time undefined behavior sanity checker (diff) | |
| download | kernel-qcow2-linux-bf76f73c5f6554df1bd337aea5b3ea561f09632c.tar.gz kernel-qcow2-linux-bf76f73c5f6554df1bd337aea5b3ea561f09632c.tar.xz kernel-qcow2-linux-bf76f73c5f6554df1bd337aea5b3ea561f09632c.zip | |
powerpc: enable UBSAN support
This hooks up UBSAN support for PowerPC.
So far it's found some interesting cases where we don't properly sanitise
input to shifts, including one in our futex handling. Nothing critical,
but interesting and worth fixing.
[valentinrothberg@gmail.com: arch/powerpc/Kconfig: fix typo in select statement]
Signed-off-by: Daniel Axtens <dja@axtens.net>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 94f6c5089e0c..8310be4ffe31 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -158,6 +158,7 @@ config PPC select ARCH_HAS_DMA_SET_COHERENT_MASK select ARCH_HAS_DEVMEM_IS_ALLOWED select HAVE_ARCH_SECCOMP_FILTER + select ARCH_HAS_UBSAN_SANITIZE_ALL config GENERIC_CSUM def_bool CPU_LITTLE_ENDIAN |