From: David S. Miller <davem@davemloft.net>
Date: Fri, 8 Aug 2008 06:04:37 +0000 (-0700)
Subject: sparc64: Fix end-of-stack checking in save_stack_trace().
X-Git-Tag: v2.6.27-rc3~70^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=433c5f706856689be25928a99636e724fb3ea7cf;p=pandora-kernel.git

sparc64: Fix end-of-stack checking in save_stack_trace().

Bug reported by Alexander Beregalov.

Before we dereference the stack frame or try to peek at the
pt_regs magic value, make sure the entire object is within
the kernel stack bounds.

Signed-off-by: David S. Miller <davem@davemloft.net>
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