#0  0x00007ffff43742ca in __strncpy_sse2_unaligned () from /lib64/libc.so.6
#1  0x000000000054a878 in concat_hash_string (
    buf=buf@entry=0x7fff79371430 "curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman"..., client_hash=client_hash@entry=1 '\001', packet=0x7fff78f92820,
    packet=0x7fff78f92820) at protocols/ssh.c:128
#2  0x000000000054abfa in ndpi_search_ssh_tcp (ndpi_struct=0x10471b0, flow=0x7fff78f92500) at protocols/ssh.c:243
#3  0x000000000053c2ba in check_ndpi_tcp_flow_func (ndpi_struct=0x10471b0, flow=0x7fff78f92500, ndpi_selection_packet=0x7fffb57f929c) at ndpi_main.c:3872
#4  0x000000000053c738 in ndpi_detection_process_packet (ndpi_struct=0x10471b0, flow=0x7fff78f92500, packet=<optimized out>, packetlen=<optimized out>,
    current_tick_l=<optimized out>, src=0x7fff78f92da0, dst=0x7fff78f92ec0) at ndpi_main.c:4632
#5  0x000000000042ad0c in NetworkInterface::processPacket (this=0xceb040, bridge_iface_idx=1, ingressPacket=true, when=0x7fffb57f9870,
    packet_time=1566556946995, eth=0x7fffeb21a51c, vlan_id=0, iph=0x7fffeb21a52a, ip6=0x0, ip_offset=14, len_on_wire=1514, h=0x7fffb57f9870,
    packet=0x7fffeb21a51c "RT", ndpiProtocol=0x7fffb57f9956, srcHost=0x7fffb57f9948, dstHost=0x7fffb57f9940, hostFlow=0x7fffb57f9938)
    at src/NetworkInterface.cpp:1781
#6  0x000000000042cbd7 in NetworkInterface::dissectPacket (this=0xceb040, bridge_iface_idx=1, ingressPacket=true, sender_mac=0x0, h=0x7fffb57f9870,
    packet=0x7fffeb21a51c "RT", ndpiProtocol=0x7fffb57f9956, srcHost=0x7fffb57f9948, dstHost=0x7fffb57f9940, flow=0x7fffb57f9938)
    at src/NetworkInterface.cpp:2422
#7  0x000000000050ab54 in PF_RINGInterface::singlePacketPollLoop (this=0xceb040) at src/PF_RINGInterface.cpp:161
#8  0x000000000050af30 in packetPollLoop (ptr=0xceb040) at src/PF_RINGInterface.cpp:239
#9  0x00007ffff6943dd5 in start_thread () from /lib64/libpthread.so.0
#10 0x00007ffff43d702d in clone () from /lib64/libc.so.6