influxdb: Segfaults in 1.7.7 with TSI enabled

(Log attached at bottom)

Environment info:

• InfluxDB OSS 1.7.7
• TSI enabled

Config:

bind-address = ":8088"
reporting-disabled = false

[admin]
bind-address = ":8083"
enabled = true
https-certificate = "/etc/ssl/influxdb.pem"
https-enabled = false

[[collectd]]
enabled = false

[continuous_queries]
enabled = true
log-enabled = true
run-interval = "1s"

[coordinator]
log-queries-after = "5s"
max-concurrent-queries = 0
max-select-buckets = 0
max-select-point = 0
max-select-series = 0
query-timeout = "0s"
write-timeout = "10s"

[data]
cache-max-memory-size = "8g"
cache-snapshot-memory-size = 26214400
cache-snapshot-write-cold-duration = "10m"
compact-full-write-cold-duration = "4h"
dir = "/var/lib/influxdb/data"
engine = "tsm1"
index-version = "tsi1"
max-concurrent-compactions = 0
max-points-per-block = 0
max-series-per-database = 0
query-log-enabled = true
trace-logging-enabled = false
wal-dir = "/var/lib/influxdb/wal"
wal-logging-enabled = true

[[graphite]]
enabled = false

[http]
auth-enabled = false
bind-address = ":8086"
enabled = true
https-certificate = "/etc/ssl/influxdb.pem"
https-enabled = false
https-private-key = ""
log-enabled = false
max-connection-limit = 0
max-row-limt = 10000
pprof-enabled = false
realm = "InfluDB"
shared-secret = ""
write-tracing = false

[meta]
dir = "/var/lib/influxdb/meta"
logging-enabled = true
retention-autocreate = true

[monitor]
store-database = "_internal"
store-enabled = true
store-interval = "10s"

[[opentsdb]]
enabled = false

[retention]
check-interval = "30m0s"
enabled = true

[shard-precreation]
advance-period = "30m0s"
check-interval = "10m0s"
enabled = true

[subscriber]
enabled = true
http-timeout = "30s"

[[udp]]
enabled = false

Logs: influxdb_segfault_out.log