Multiple plasma crashes due to invalid read offset

GSI component level test -

Script - -test tests/2i/test_idx_rebalance_replica_vulcan_kv_opt.yml -scope tests/2i/scope_idx_rebalance_replica_vulcan_new.yml

Build - 5.5.0-2839

 
Detected storage corruption for index default_claims, partition id 0. Starting cleanup.
Service 'indexer' exited with status 134. Restarting. Messages: runtime.gopark(0x1068200, 0x0, 0xf87968, 0x6, 0x18, 0x2) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/proc.go:259 +0x13a fp=0xc67bc74bd0 sp=0xc67bc74ba0 runtime.selectgoImpl(0xc67bc74f18, 0x0, 0x18) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/select.go:423 +0x1235 fp=0xc67bc74e30 sp=0xc67bc74bd0 runtime.selectgo(0xc67bc74f18) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/select.go:238 +0x1c fp=0xc67bc74e58 sp=0xc67bc74e30 net/http.(*persistConn).writeLoop(0xc682024000) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/net/http/transport.go:1646 +0x3bd fp=0xc67bc74fa8 sp=0xc67bc74e58 runtime.goexit() /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/asm_amd64.s:2086 +0x1 fp=0xc67bc74fb0 sp=0xc67bc74fa8 created by net/http.(*Transport).dialConn /home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/net/http/trans