mm/kasan: don't use kasan shadow pointer in generic functions
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Fri, 6 Nov 2015 02:50:48 +0000 (18:50 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 6 Nov 2015 03:34:48 +0000 (19:34 -0800)
commitf2377d4eaab2aabe1938b3974b5b94f5ba4c7ead
treedb9db1fe308091e9c6063aaa3cf46673b2c244fb
parent527f215b78976e94995dce7163b07539b576d519
mm/kasan: don't use kasan shadow pointer in generic functions

We can't use generic functions like print_hex_dump to access kasan shadow
region.  This require us to setup another kasan shadow region for the
address passed (kasan shadow address).  Some architectures won't be able
to do that.  Hence make a copy of the shadow region row and pass that to
generic functions.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/kasan/report.c