can: Fix raw_getname() leak
raw_getname() can leak 10 bytes of kernel memory to user (two bytes hole between can_family and can_ifindex, 8 bytes at the end of sockaddr_can structure) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -401,6 +401,7 @@ static int raw_getname(struct socket *sock, struct sockaddr *uaddr,
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if (peer)
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if (peer)
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return -EOPNOTSUPP;
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return -EOPNOTSUPP;
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memset(addr, 0, sizeof(*addr));
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addr->can_family = AF_CAN;
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addr->can_family = AF_CAN;
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addr->can_ifindex = ro->ifindex;
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addr->can_ifindex = ro->ifindex;
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