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visor/tools/gvisor2pcap/wget.log
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Kevin KrakauerandgVisor bot 44fe30b8ef netstack: add the gvisor2pcap binary 
gvisor2pcap accepts via `--in` a gVisor log file containing packet logs. It
writes to `--out` a `.pcap` file based on those logs. This makes debugging some
issues much simpler than before, as rather than trawling through inscrutable
text representing 20 different connections, we can import the file into tools
like Wireshark that perform packet analysis, graphing, etc.

PiperOrigin-RevId: 672662760
2024-09-09 13:57:40 -07:00

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I0903 14:40:00.408531 1 sniffer.go:241] send arp 192.168.9.2 (02:42:c0:a8:09:02) -> 192.168.9.1 (00:00:00:00:00:00) valid:true
I0903 14:40:00.408684 1 sniffer.go:241] recv arp 192.168.9.1 (02:42:8c:56:45:30) -> 192.168.9.2 (02:42:c0:a8:09:02) valid:true
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.408758 1 sniffer.go:388] send udp 192.168.9.2:51688 -> 8.8.8.8:53 len:39 id:0xca32 xsum: 0xa30
I0903 14:40:00.408784 1 sniffer.go:388] send udp 192.168.9.2:51688 -> 8.8.8.8:53 len:39 id:0x6f5e xsum: 0x2998
I0903 14:40:00.423904 1 sniffer.go:388] recv udp 8.8.8.8:53 -> 192.168.9.2:51688 len:55 id:0x45f6 xsum: 0xbac8
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.424864 1 sniffer.go:388] recv udp 8.8.8.8:53 -> 192.168.9.2:51688 len:67 id:0xe7b5 xsum: 0x10ce
I0903 14:40:00.426682 1 sniffer.go:388] send tcp 192.168.9.2:45751 -> 142.251.46.174:80 len:0 id:0xaa35 flags: S seqnum:4174770378 ack:0 win:29184 xsum:0xdca4 options:{MSS:1460 WS:7 TS:true TSVal:2699900017 TSEcr:0 SACKPermitted:true Flags: }
I0903 14:40:00.429014 1 sniffer.go:388] recv tcp 142.251.46.174:80 -> 192.168.9.2:45751 len:0 id:0x0000 flags: S A seqnum:2608070130 ack:4174770379 win:65535 xsum:0x6f5c options:{MSS:1398 WS:8 TS:true TSVal:123223734 TSEcr:2699900017 SACKPermitted:true Flags: }
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.429095 1 sniffer.go:388] send tcp 192.168.9.2:45751 -> 142.251.46.174:80 len:0 id:0x0000 flags: A seqnum:4174770379 ack:2608070131 win:228 xsum:0x877a options:{TS:true TSVal:2699900019 TSEcr:123223734 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x54e, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.429414 1 sniffer.go:388] send tcp 192.168.9.2:45751 -> 142.251.46.174:80 len:125 id:0x0000 flags: PA seqnum:4174770379 ack:2608070131 win:4096 xsum:0x87f7 options:{TS:true TSVal:2699900019 TSEcr:123223734 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x54e, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.431188 1 sniffer.go:388] recv tcp 142.251.46.174:80 -> 192.168.9.2:45751 len:0 id:0x5fa7 flags: A seqnum:2608070131 ack:4174770504 win:256 xsum:0x9c6a options:{TS:true TSVal:123223736 TSEcr:2699900019 SACKBlocks:[]}
I0903 14:40:00.449410 1 sniffer.go:388] recv tcp 142.251.46.174:80 -> 192.168.9.2:45751 len:773 id:0x5fa8 flags: PA seqnum:2608070131 ack:4174770504 win:256 xsum:0x6b7e options:{TS:true TSVal:123223754 TSEcr:2699900019 SACKBlocks:[]}
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.449478 1 sniffer.go:388] send tcp 192.168.9.2:45751 -> 142.251.46.174:80 len:0 id:0x0000 flags: A seqnum:4174770504 ack:2608070904 win:4089 xsum:0x877a options:{TS:true TSVal:2699900040 TSEcr:123223754 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x54e, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.451395 1 sniffer.go:388] send udp 192.168.9.2:42277 -> 8.8.8.8:53 len:43 id:0xed2a xsum: 0x57a6
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.451409 1 sniffer.go:388] send udp 192.168.9.2:42277 -> 8.8.8.8:53 len:43 id:0x493e xsum: 0x8354
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.468378 1 sniffer.go:388] recv udp 8.8.8.8:53 -> 192.168.9.2:42277 len:59 id:0x5c50 xsum: 0x7949
I0903 14:40:00.470102 1 sniffer.go:388] recv udp 8.8.8.8:53 -> 192.168.9.2:42277 len:71 id:0x294b xsum: 0x6a8a
I0903 14:40:00.471609 1 sniffer.go:388] send tcp 192.168.9.2:31258 -> 142.250.189.164:80 len:0 id:0x41e5 flags: S seqnum:2976118385 ack:0 win:29184 xsum:0xcfb5 options:{MSS:1460 WS:7 TS:true TSVal:384415447 TSEcr:0 SACKPermitted:true Flags: }
I0903 14:40:00.472869 1 sniffer.go:388] recv tcp 142.250.189.164:80 -> 192.168.9.2:31258 len:0 id:0x0000 flags: S A seqnum:3464048916 ack:2976118386 win:65535 xsum:0x8c45 options:{MSS:1460 WS:8 TS:true TSVal:1559451869 TSEcr:384415447 SACKPermitted:true Flags: }
I0903 14:40:00.473020 1 sniffer.go:388] send tcp 192.168.9.2:31258 -> 142.250.189.164:80 len:0 id:0x0000 flags: A seqnum:2976118386 ack:3464048917 win:228 xsum:0x1670 options:{TS:true TSVal:384415448 TSEcr:1559451869 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x58c, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.473336 1 sniffer.go:388] send tcp 192.168.9.2:31258 -> 142.250.189.164:80 len:129 id:0x0000 flags: PA seqnum:2976118386 ack:3464048917 win:4096 xsum:0x16f1 options:{TS:true TSVal:384415448 TSEcr:1559451869 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x58c, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.474499 1 sniffer.go:388] recv tcp 142.250.189.164:80 -> 192.168.9.2:31258 len:0 id:0x07a6 flags: A seqnum:3464048917 ack:2976118515 win:261 xsum:0xb989 options:{TS:true TSVal:1559451871 TSEcr:384415448 SACKBlocks:[]}
I0903 14:40:00.517157 1 sniffer.go:388] recv tcp 142.250.189.164:80 -> 192.168.9.2:31258 len:7240 id:0x07a7 flags: PA seqnum:3464048917 ack:2976118515 win:261 xsum:0x32b8 options:{TS:true TSVal:1559451914 TSEcr:384415448 SACKBlocks:[]}
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.517212 1 sniffer.go:388] recv tcp 142.250.189.164:80 -> 192.168.9.2:31258 len:7240 id:0x07ac flags: PA seqnum:3464056157 ack:2976118515 win:261 xsum:0x32b8 options:{TS:true TSVal:1559451914 TSEcr:384415448 SACKBlocks:[]}
I0903 14:40:00.517260 1 sniffer.go:388] send tcp 192.168.9.2:31258 -> 142.250.189.164:80 len:0 id:0x0000 flags: A seqnum:2976118515 ack:3464063397 win:3982 xsum:0x1670 options:{TS:true TSVal:384415492 TSEcr:1559451914 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x58c, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
I0903 14:40:00.518643 1 sniffer.go:388] recv tcp 142.250.189.164:80 -> 192.168.9.2:31258 len:14480 id:0x07b1 flags: PA seqnum:3464063397 ack:2976118515 win:261 xsum:0x4f00 options:{TS:true TSVal:1559451915 TSEcr:384415492 SACKBlocks:[]}
I0903 14:40:00.518689 1 sniffer.go:388] recv tcp 142.250.189.164:80 -> 192.168.9.2:31258 len:3287 id:0x07bb flags: PA seqnum:3464077877 ack:2976118515 win:261 xsum:0x2347 options:{TS:true TSVal:1559451915 TSEcr:384415492 SACKBlocks:[]}
I0903 14:40:00.518751 1 sniffer.go:388] send tcp 192.168.9.2:31258 -> 142.250.189.164:80 len:0 id:0x0000 flags: A seqnum:2976118515 ack:3464081164 win:3932 xsum:0x1670 options:{TS:true TSVal:384415494 TSEcr:1559451915 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x58c, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.520165 1 sniffer.go:388] send tcp 192.168.9.2:45751 -> 142.251.46.174:80 len:0 id:0x0000 flags:F A seqnum:4174770504 ack:2608070904 win:4096 xsum:0x877a options:{TS:true TSVal:2699900110 TSEcr:123223754 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x54e, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.525019 1 sniffer.go:388] send tcp 192.168.9.2:31258 -> 142.250.189.164:80 len:0 id:0x0000 flags:F A seqnum:2976118515 ack:3464081164 win:4096 xsum:0x1670 options:{TS:true TSVal:384415500 TSEcr:1559451915 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x58c, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.525363 1 sniffer.go:388] recv tcp 142.251.46.174:80 -> 192.168.9.2:45751 len:0 id:0x5fa9 flags:F A seqnum:2608070904 ack:4174770505 win:256 xsum:0x98aa options:{TS:true TSVal:123223830 TSEcr:2699900110 SACKBlocks:[]}
I0903 14:40:00.525482 1 sniffer.go:388] send tcp 192.168.9.2:45751 -> 142.251.46.174:80 len:0 id:0x0000 flags: A seqnum:4174770505 ack:2608070905 win:4095 xsum:0x877a options:{TS:true TSVal:2699900115 TSEcr:123223754 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x54e, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.526064 1 sniffer.go:388] send tcp 192.168.9.2:45751 -> 142.251.46.174:80 len:0 id:0x0000 flags: R A seqnum:4174770505 ack:2608070905 win:0 xsum:0x877a options:{TS:true TSVal:2699900116 TSEcr:123223830 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x54e, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.526082 1 sniffer.go:388] send tcp 192.168.9.2:31258 -> 142.250.189.164:80 len:0 id:0x0000 flags: R A seqnum:2976118516 ack:3464081164 win:0 xsum:0x1670 options:{TS:true TSVal:384415501 TSEcr:1559451915 SACKBlocks:[]} gso:stack.GSO{Type:1, NeedsCsum:true, CsumOffset:0x10, MSS:0x58c, L3HdrLen:0x14, MaxSize:0x10000}
I0903 14:40:00.425033 1 strace.go:576] [ 1: 1] wget E recvfrom(0x3 socket:[3], 0x559039f02bd0, 0x10000, 0x0, 0x7ee9163d2f80, 0x7ee9163d2f60 {length=28})
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