rds: fix a leak of kernel memory
struct rds_rdma_notify contains a 32 bits hole on 64bit arches, make sure it is zeroed before copying it to user. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -297,7 +297,7 @@ static int rds_still_queued(struct rds_sock *rs, struct rds_incoming *inc,
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int rds_notify_queue_get(struct rds_sock *rs, struct msghdr *msghdr)
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{
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struct rds_notifier *notifier;
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struct rds_rdma_notify cmsg;
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struct rds_rdma_notify cmsg = { 0 }; /* fill holes with zero */
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unsigned int count = 0, max_messages = ~0U;
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unsigned long flags;
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LIST_HEAD(copy);
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