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23 October 2021, 00:29:24 UTC
Revision 91a0b603469069cdcce4d572b7525ffc9fd352a6 authored by Jane Zhou on 24 November 2014, 19:44:08 UTC, committed by David S. Miller on 24 November 2014, 21:48:20 UTC 
net/ping: handle protocol mismatching scenario
 
ping_lookup() may return a wrong sock if sk_buff's and sock's protocols
dont' match. For example, sk_buff's protocol is ETH_P_IPV6, but sock's
sk_family is AF_INET, in that case, if sk->sk_bound_dev_if is zero, a wrong
sock will be returned.
the fix is to "continue" the searching, if no matching, return NULL.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: netdev@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Jane Zhou <a17711@motorola.com>
Signed-off-by: Yiwei Zhao <gbjc64@motorola.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 6e58040
History
Tip revision: 91a0b603469069cdcce4d572b7525ffc9fd352a6 authored by Jane Zhou on 24 November 2014, 19:44:08 UTC
net/ping: handle protocol mismatching scenario
Tip revision: 91a0b60
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