[SIEM] [Auditbeat] system/socket: Fix UDP flows #13470
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This fixes a few problems with UDP: - IPv6/UDP unconnected support. - Lost packets in UDP due to using zero-destination address. - Added more tests
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andrewkroh
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| @@ -321,7 +321,7 @@ var installKProbes = []helper.ProbeDef{ | |||
| Probe: tracing.Probe{ | |||
| Name: "udp_sendmsg_in", | |||
| Address: "udp_sendmsg", | |||
| Fetchargs: "sock={{.UDP_SENDMSG_SOCK}} size={{.UDP_SENDMSG_LEN}} laddr=+{{.INET_SOCK_LADDR}}({{.UDP_SENDMSG_SOCK}}):u32 lport=+{{.INET_SOCK_LPORT}}({{.UDP_SENDMSG_SOCK}}):u16 raddr=+{{.SOCKADDR_IN_ADDR}}(+0({{.UDP_SENDMSG_MSG}})):u32 rport=+{{.SOCKADDR_IN_PORT}}(+0({{.UDP_SENDMSG_MSG}})):u16", | |||
| Fetchargs: "sock={{.UDP_SENDMSG_SOCK}} size={{.UDP_SENDMSG_LEN}} laddr=+{{.INET_SOCK_LADDR}}({{.UDP_SENDMSG_SOCK}}):u32 lport=+{{.INET_SOCK_LPORT}}({{.UDP_SENDMSG_SOCK}}):u16 raddr=+{{.SOCKADDR_IN_ADDR}}(+0({{.UDP_SENDMSG_MSG}})):u32 rport=+{{.SOCKADDR_IN_PORT}}(+0({{.UDP_SENDMSG_MSG}})):u16 altraddr=+{{.INET_SOCK_RADDR}}({{.UDP_SENDMSG_SOCK}}):u32 altrport=+{{.INET_SOCK_RPORT}}({{.UDP_SENDMSG_SOCK}}):u16", | |||
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In what cases are the alt addrs needed?
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Sometimes, for connected sockets, the alt addresses are zero and the non-alt are populated.
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This fixes a few problems with UDP: - IPv6/UDP unconnected support. - Lost packets in UDP due to using zero-destination address. - Added more tests (cherry picked from commit f0e2e20)
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Apr 28, 2023
…tic#13513) This fixes a few problems with UDP: - IPv6/UDP unconnected support. - Lost packets in UDP due to using zero-destination address. - Added more tests (cherry picked from commit 7dd2735)
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This fixes a few problems with UDP:
Added more tests.
Relates #13058