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View Code? Open in Web Editor NEWtcpdp is TCP dump tool with custom dumper and structured logger written in Go.
License: MIT License
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panic: runtime error: invalid memory address or nil pointer dereference
Aug 7 10:16:14 xxxxxxxxxxx tcpdp: panic: runtime error: invalid memory address or nil pointer dereference
Aug 7 10:16:14 xxxxxxxxxxx tcpdp: [signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0x8e2301]
Aug 7 10:16:14 xxxxxxxxxxx tcpdp: goroutine 37 [running]:
Aug 7 10:16:14 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/reader.(*payloadBuffer).Get(0x0, 0x2, 0xc000397ad0, 0x26, 0x169b400)
Aug 7 10:16:14 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.1/reader/payload_buffer.go:39 +0x31
Aug 7 10:16:14 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/reader.(*PacketReader).handlePacket(0xc0001dc480, 0xc0001ca480, 0x1, 0x1, 0x0, 0x0)
Aug 7 10:16:14 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.1/reader/reader.go:348 +0xab9
Aug 7 10:16:14 xxxxxxxxxxx tcpdp: created by github.com/k1LoW/tcpdp/reader.(*PacketReader).ReadAndDump
Aug 7 10:16:14 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.1/reader/reader.go:154 +0xcd
Aug 7 10:16:14 xxxxxxxxxxx systemd: tcpdp-eth0.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Aug 7 10:16:14 xxxxxxxxxxx systemd: Unit tcpdp-eth0.service entered failed state.
Aug 7 10:16:14 xxxxxxxxxxx systemd: tcpdp-eth0.service failed.
Aug 7 10:16:44 xxxxxxxxxxx systemd: tcpdp-eth0.service holdoff time over, scheduling restart.
Aug 7 10:16:44 xxxxxxxxxxx tcpdp: 2019-08-07T10:16:44.358+0900#011info#011Starting probe.#011{"dumper": "mysql", "interface": "eth0", "mtu": "1500", "probe_target_addr": "3306", "filter": "tcp and ((port 3306))", "buffer_size": "128MB",\
"immediate_mode": true, "snapshot_length": "65535B", "internal_buffer_length": 10000}
Aug 7 10:16:44 xxxxxxxxxxx tcpdp: 2019/08/07 10:16:44 Log lotate event error waitid: no child processes
Aug 7 10:16:44 xxxxxxxxxxx tcpdp: 2019/08/07 10:16:44 Log lotate event error waitid: no child processes
Aug 7 10:34:44 xxxxxxxxxxx tcpdp: panic: runtime error: invalid memory address or nil pointer dereference
Aug 7 10:34:44 xxxxxxxxxxx tcpdp: [signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x8e2347]
Aug 7 10:34:44 xxxxxxxxxxx tcpdp: goroutine 23 [running]:
Aug 7 10:34:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/reader.(*payloadBuffer).Get(0x0, 0x3, 0xc0002b79e0, 0x26, 0x169b400)
Aug 7 10:34:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.1/reader/payload_buffer.go:44 +0x77
Aug 7 10:34:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/reader.(*PacketReader).handlePacket(0xc0001d9440, 0xc0001ca480, 0x1, 0x1, 0x0, 0x0)
Aug 7 10:34:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.1/reader/reader.go:348 +0xab9
Aug 7 10:34:44 xxxxxxxxxxx tcpdp: created by github.com/k1LoW/tcpdp/reader.(*PacketReader).ReadAndDump
Aug 7 10:34:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.1/reader/reader.go:154 +0xcd
Aug 7 10:34:44 xxxxxxxxxxx systemd: tcpdp-eth0.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Aug 7 10:34:44 xxxxxxxxxxx systemd: Unit tcpdp-eth0.service entered failed state.
Aug 7 10:34:44 xxxxxxxxxxx systemd: tcpdp-eth0.service failed.
Aug 7 10:35:14 xxxxxxxxxxx systemd: tcpdp-eth0.service holdoff time over, scheduling restart.
Aug 7 10:35:14 xxxxxxxxxxx tcpdp: 2019-08-07T10:35:14.590+0900#011info#011Starting probe.#011{"dumper": "mysql", "interface": "eth0", "mtu": "1500", "probe_target_addr": "3306", "filter": "tcp and ((port 3306))", "buffer_size": "128MB",\
"immediate_mode": true, "snapshot_length": "65535B", "internal_buffer_length": 10000}
Aug 7 10:35:14 xxxxxxxxxxx tcpdp: 2019/08/07 10:35:14 Log lotate event error waitid: no child processes
Aug 7 10:35:14 xxxxxxxxxxx tcpdp: 2019/08/07 10:35:14 Log lotate event error waitid: no child processes
tcpdp_0.10.0-1_amd64.deb installs unexpected file into / (root directory)?
Congrats on #39 🎉 I tried deb package at once, and found that tcpdp_0.10.0-1_amd64.deb includes itself. tcpdp_0.10.0-1_amd64.deb installs tcpdp_0.10.0-1_amd64.deb itself into root directory.
Reproduce
I tried on Ubuntu 18.04.
- install tcpdp_0.10.0-1_amd64.deb like the following:
root@75d5272680a5:~# wget -q https://github.com/k1LoW/tcpdp/releases/download/v0.10.0/tcpdp_0.10.0-1_amd64.deb
root@75d5272680a5:~# dpkg -i tcpdp_0.10.0-1_amd64.deb
Selecting previously unselected package tcpdp.
(Reading database ... 4386 files and directories currently installed.)
Preparing to unpack tcpdp_0.10.0-1_amd64.deb ...
Unpacking tcpdp (0.10.0-1) ...
Setting up tcpdp (0.10.0-1) ...root@75d5272680a5:~# dpkg -L tcpdp
/.
/usr
/usr/bin
/usr/bin/tcpdp
/tcpdp_0.10.0-1_amd64.debroot@75d5272680a5:~# ls -l /tcpdp_0.10.0-1_amd64.deb
-rw-r--r-- 1 root root 482 Sep 30 14:26 /tcpdp_0.10.0-1_amd64.debtcpdp v0.5.0 (darwin amd64) raises SIGSEGV when doing -help
I tried tcpdp v0.5.0 in Mac (macOS High Sierra 10.13.6 17G65), but tcpdp -help raises SIGSEGV like the following:
$ ./tcpdp_v0.5.0_darwin_amd64/tcpdp -help
Error: unknown shorthand flag: 'e' in -elp
Usage:
tcpdp [command]
Available Commands:
config show currnt config
help Help about any command
probe probe
proxy proxy
version print tcpdp version
Flags:
-h, --help help for tcpdp
Use "tcpdp [command] --help" for more information about a command.
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x446610e]
goroutine 1 [running]:
github.com/k1LoW/tcpdp/vendor/go.uber.org/zap.(*Logger).check(0x0, 0x5, 0x45b4142, 0x5, 0xc4211d6400)
/Users/k1low/src/github.com/k1LoW/tcpdp/vendor/go.uber.org/zap/logger.go:264 +0x8e
github.com/k1LoW/tcpdp/vendor/go.uber.org/zap.(*Logger).Fatal(0x0, 0x45b4142, 0x5, 0xc4211d6400, 0x1, 0x1)
/Users/k1low/src/github.com/k1LoW/tcpdp/vendor/go.uber.org/zap/logger.go:235 +0x44
github.com/k1LoW/tcpdp/cmd.Execute()
/Users/k1low/src/github.com/k1LoW/tcpdp/cmd/root.go:48 +0x1bf
main.main()
/Users/k1low/src/github.com/k1LoW/tcpdp/main.go:34 +0x3aSPEC (My Mac)
Model Name: MacBook Pro
Model Identifier: MacBookPro14,2
Processor Name: Intel Core i7
Processor Speed: 3.5 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache (per Core): 256 KB
L3 Cache: 4 MB
Memory: 16 GB
Boot ROM Version: MBP142.0178.B00
SMC Version (system): 2.44f1
Serial Number (system): C02VD0Y9HV2R
Hardware UUID: 1283D383-75BC-5752-8A85-47C2706C5BF7
fatal error: concurrent map read and map write
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: fatal error: concurrent map read and map write
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: goroutine 7 [running]:
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: runtime.throw(0xa451c2, 0x21)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /usr/local/go/src/runtime/panic.go:617 +0x72 fp=0xc0002d3a08 sp=0xc0002d39d8 pc=0x42f212
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: runtime.mapaccess2_faststr(0x97a500, 0xc00024a0f0, 0xc0001ca570, 0x26, 0xc00059f270, 0xc0001c0c01)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /usr/local/go/src/runtime/map_faststr.go:116 +0x4a4 fp=0xc0002d3a78 sp=0xc0002d3a08 pc=0x415724
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/reader.(*PacketReader).handlePacket(0xc0001fb3e0, 0xc00000e4e0, 0x1, 0x1, 0x0, 0x0)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/reader/reader.go:335 +0x92b fp=0xc0002d3fb0 sp=0xc0002d3a78 pc=0x8e543b
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: runtime.goexit()
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /usr/local/go/src/runtime/asm_amd64.s:1337 +0x1 fp=0xc0002d3fb8 sp=0xc0002d3fb0 pc=0x45b8c1
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: created by github.com/k1LoW/tcpdp/reader.(*PacketReader).ReadAndDump
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/reader/reader.go:154 +0xcd
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: goroutine 1 [chan receive, 2 minutes]:
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/cmd.glob..func2(0x1106cc0, 0xc0000a2960, 0x0, 0x2)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/cmd/probe.go:112 +0x115f
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/spf13/cobra.(*Command).execute(0x1106cc0, 0xc0000a2940, 0x2, 0x2, 0x1106cc0, 0xc0000a2940)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/spf13/[email protected]/command.go:830 +0x2ae
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/spf13/cobra.(*Command).ExecuteC(0x1107440, 0x0, 0x0, 0x8fcc4a)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/spf13/[email protected]/command.go:914 +0x2bb
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/spf13/cobra.(*Command).Execute(...)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/spf13/[email protected]/command.go:864
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/cmd.Execute()
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/cmd/root.go:49 +0x2e
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: main.main()
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/main.go:26 +0x20
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: goroutine 35 [syscall, 2 minutes]:
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: os/signal.signal_recv(0x0)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /usr/local/go/src/runtime/sigqueue.go:139 +0x9c
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: os/signal.loop()
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /usr/local/go/src/os/signal/signal_unix.go:23 +0x22
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: created by os/signal.init.0
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /usr/local/go/src/os/signal/signal_unix.go:29 +0x41
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: goroutine 4 [runnable]:
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/reader.(*PacketReader).ReadAndDump(0xc0001fb3e0, 0xc00000e4e0, 0x1, 0x1, 0x0, 0x0)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/reader/reader.go:159 +0x1d0
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/server.(*ProbeServer).Start(0xc000220000, 0x0, 0x0)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/server/probe_server.go:231 +0x106b
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: created by github.com/k1LoW/tcpdp/cmd.glob..func2
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/cmd/probe.go:110 +0x1136
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: goroutine 51 [select]:
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/reader.(*payloadBufferManager).startPurgeTicker(0xc0002b4010, 0xb0d240, 0xc00025a040, 0xc0000af140, 0x0, 0x0)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/reader/payload_buffer.go:131 +0x1d8
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: created by github.com/k1LoW/tcpdp/reader.(*PacketReader).handlePacket
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/reader/reader.go:176 +0x189
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: goroutine 5 [select]:
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/server.(*ProbeServer).checkStats.func1(0xc000220000, 0xc0001fb200)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/server/probe_server.go:252 +0xfb
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: created by github.com/k1LoW/tcpdp/server.(*ProbeServer).checkStats
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/server/probe_server.go:246 +0x49
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: goroutine 6 [runnable]:
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/google/gopacket/pcap._Cfunc_pcap_next_ex_escaping(0x7f66b4000c40, 0xc0001fb248, 0xc0001fb250, 0x1)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: _cgo_gotypes.go:544 +0x4d
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/google/gopacket/pcap.(*Handle).pcapNextPacketEx.func1(0xc0001fb200, 0xc000055e40)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/google/[email protected]/pcap/pcap_unix.go:400 +0x89
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/google/gopacket/pcap.(*Handle).pcapNextPacketEx(0xc0001fb200, 0x558)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/google/[email protected]/pcap/pcap_unix.go:400 +0x2b
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/google/gopacket/pcap.(*Handle).getNextBufPtrLocked(0xc0001fb200, 0xc000055eb0, 0xc000055e80, 0x80f5ad)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/google/[email protected]/pcap/pcap.go:302 +0x62
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/google/gopacket/pcap.(*Handle).ReadPacketData(0xc0001fb200, 0x10, 0x558, 0xb00f20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/google/[email protected]/pcap/pcap.go:245 +0x84
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/google/gopacket.(*PacketSource).NextPacket(0xc0001f3800, 0xc000055fb8, 0xc000250000, 0x0, 0x0)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/google/[email protected]/packet.go:801 +0x48
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/google/gopacket.(*PacketSource).packetsToChannel(0xc0001f3800)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/google/[email protected]/packet.go:818 +0x65
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: created by github.com/google/gopacket.(*PacketSource).Packets
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /go/pkg/mod/github.com/google/[email protected]/packet.go:861 +0x8d
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: goroutine 8 [select]:
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: github.com/k1LoW/tcpdp/reader.(*PacketReader).checkBufferdPacket(0xc0001fb3e0, 0xc0001fb4a0)
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/reader/reader.go:551 +0xe2
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: created by github.com/k1LoW/tcpdp/reader.(*PacketReader).ReadAndDump
Jul 12 15:52:44 xxxxxxxxxxx tcpdp: /root/rpmbuild/BUILD/tcpdp-0.21.0/reader/reader.go:156 +0xfc
Jul 12 15:52:44 xxxxxxxxxxx systemd: tcpdp-eth0.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Jul 12 15:52:44 xxxxxxxxxxx systemd: Unit tcpdp-eth0.service entered failed state.
Jul 12 15:52:44 xxxxxxxxxxx systemd: tcpdp-eth0.service failed.
Jul 12 15:53:14 xxxxxxxxxxx systemd: tcpdp-eth0.service holdoff time over, scheduling restart.
Jul 12 15:53:14 xxxxxxxxxxx tcpdp: 2019-07-12T15:53:14.508+0900#011info#011Starting probe.#011{"dumper": "mysql", "interface": "eth0", "mtu": "1500", "probe_target_addr": "3306", "filter": "tcp and ((port 3306))", "buffer_size": "128MB", "immediate_mode": true, "snapshot_length": "65535B", "internal_buffer_length": 10000}
Jul 12 15:53:14 xxxxxxxxxxx tcpdp: 2019/07/12 15:53:14 Log lotate event error waitid: no child processes
Jul 12 15:53:14 xxxxxxxxxxx tcpdp: 2019/07/12 15:53:14 Log lotate event error waitid: no child processes
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