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rds: fix a leak of kernel memory

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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 <[email protected]>
CC: Andy Grover <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric Dumazet authored and David S. Miller committed 2010-08-18 23:40:03 -07:00
1 parent 68d6ac6d27
commit f037590fff
1 file changed
+1 -1
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net/rds/recv.c
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@@ -297,7 +297,7 @@ static int rds_still_queued(struct rds_sock *rs, struct rds_incoming *inc,
int rds_notify_queue_get(struct rds_sock *rs, struct msghdr *msghdr)
{
struct rds_notifier *notifier;
struct rds_rdma_notify cmsg;
struct rds_rdma_notify cmsg = { 0 }; /* fill holes with zero */
unsigned int count = 0, max_messages = ~0U;
unsigned long flags;
LIST_HEAD(copy);