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authorDaniel Axtens <dja@axtens.net>2016-01-21 00:00:58 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 02:09:18 +0100
commitbf76f73c5f6554df1bd337aea5b3ea561f09632c (patch)
tree5719fb8079f122e75e3cc6b5a654907601e91b90 /arch/powerpc/xmon
parentUBSAN: run-time undefined behavior sanity checker (diff)
downloadlinux-bf76f73c5f6554df1bd337aea5b3ea561f09632c.tar.xz
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/xmon')
-rw-r--r--arch/powerpc/xmon/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile
index 1278788d96e3..436062dbb6e2 100644
--- a/arch/powerpc/xmon/Makefile
+++ b/arch/powerpc/xmon/Makefile
@@ -3,6 +3,7 @@
subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
GCOV_PROFILE := n
+UBSAN_SANITIZE := n
ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC)