[influxdb] Crashed (segmentation violation)

[j***@gmail.com]

We use influxdb to store metrics. But it meet the unexpected fault which caused influxdb instance crashed.
Our version is :1.2.2-1
Grateful if you can post your opinion to prevent the issue.
=====
unexpected fault address 0x7f680fab735f
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0x7f680fab735f pc=0x460f71]

goroutine 80508650 [running]:
runtime.throw(0xab6f37, 0x5)
/usr/local/go/src/runtime/panic.go:566 +0x95 fp=0xc473e64bb8 sp=0xc473e64b98
runtime.sigpanic()
/usr/local/go/src/runtime/sigpanic_unix.go:27 +0x288 fp=0xc473e64c10 sp=0xc473e64bb8
runtime.memmove(0xc4a52f4820, 0x7f680fab735f, 0xa)
/usr/local/go/src/runtime/memmove_amd64.s:164 +0x371 fp=0xc473e64c18 sp=0xc473e64c10
github.com/influxdata/influxdb/models.Tags.Clone(0xc423ecc000, 0x2, 0x2, 0x608efe, 0xc4267e6730, 0xc473e64da8)
/root/go/src/github.com/influxdata/influxdb/models/points.go:1685 +0x1f4 fp=0xc473e64d58 sp=0xc473e64c18
github.com/influxdata/influxdb/tsdb.(*Series).Tags(0xc426ff7340, 0x0, 0x0, 0x0)
/root/go/src/github.com/influxdata/influxdb/tsdb/meta.go:1639 +0x96 fp=0xc473e64d98 sp=0xc473e64d58
github.com/influxdata/influxdb/tsdb.(*DatabaseIndex).TagsForSeries(0xc4202979a0, 0xc423e9a800, 0x3f, 0x0, 0x0, 0x0)
/root/go/src/github.com/influxdata/influxdb/tsdb/meta.go:277 +0xbe fp=0xc473e64dd0 sp=0xc473e64d98
github.com/influxdata/influxdb/tsdb/engine/tsm1.(*Engine).createVarRefSeriesIterator(0xc428a62360, 0x0, 0xc425972840, 0xc423e9a800, 0x3f, 0xc454d21db0, 0x0, 0x0, 0xe796d8, 0x0, ...)
/root/go/src/github.com/influxdata/influxdb/tsdb/engine/tsm1/engine.go:1517 +0x9f fp=0xc473e65bd0 sp=0xc473e64dd0
github.com/influxdata/influxdb/tsdb/engine/tsm1.(*Engine).createTagSetGroupIterators(0xc428a62360, 0x0, 0xc425972840, 0xc4360d8420, 0x42, 0x9be, 0xc454d21db0, 0xc456fb4420, 0x42, 0x9be, ...)
/root/go/src/github.com/influxdata/influxdb/tsdb/engine/tsm1/engine.go:1504 +0x20d fp=0xc473e65dc8 sp=0xc473e65bd0
github.com/influxdata/influxdb/tsdb/engine/tsm1.(*Engine).createTagSetIterators.func1(0xc51249f020, 0xc436100000, 0x20, 0x20, 0xc428a62360, 0x0, 0xc425972840, 0xc454d21db0, 0xc4319fe000, 0x1)
/root/go/src/github.com/influxdata/influxdb/tsdb/engine/tsm1/engine.go:1459 +0x12d fp=0xc473e65f50 sp=0xc473e65dc8
runtime.goexit()
/usr/local/go/src/runtime/asm_amd64.s:2086 +0x1 fp=0xc473e65f58 sp=0xc473e65f50
created by github.com/influxdata/influxdb/tsdb/engine/tsm1.(*Engine).createTagSetIterators
/root/go/src/github.com/influxdata/influxdb/tsdb/engine/tsm1/engine.go:1460 +0x3c3