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The ping program is used to assess network connectivity between network devices. A denial of service condition exists in the ping program that may cause the system to panic by sending ping requests to a multicast address through the loopback interface. The system will ping itself; however, the incoming queue pointer is not yet initialized when the packet is received. Thus, the system will panic.

The ping program is used to assess network connectivity between network devices. A denial of service condition exists in the ping program that may cause the system to panic by sending ping requests to a multicast address through the loopback interface. The system will ping itself; however, the incoming queue pointer is not yet initialized when the packet is received. Thus, the system will panic.