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l2tp: hold socket before dropping lock in l2tp_ip{, 6}_recv()
Socket must be held while under the protection of the l2tp lock; there is no guarantee that sk remains valid after the read_unlock_bh() call. Same issue for l2tp_ip and l2tp_ip6. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
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Guillaume Nault
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David S. Miller
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Nov 30, 2016
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