sparc: Harden signal return frame checks.

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[ Upstream commit d11c2a0de2 ]

All signal frames must be at least 16-byte aligned, because that is
the alignment we explicitly create when we build signal return stack
frames.

All stack pointers must be at least 8-byte aligned.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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David S. Miller 2016-05-28 21:21:31 -07:00 • committed by Greg Kroah-Hartman

parent 6bb3290ce9

commit 1fda90c39d

5 changed files with 92 additions and 45 deletions

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46

arch/sparc/kernel/signal32.c

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41

arch/sparc/kernel/signal_32.c

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31

arch/sparc/kernel/signal_64.c

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9

arch/sparc/kernel/sigutil_32.c

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10

arch/sparc/kernel/sigutil_64.c

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