fatal error: out of memory
DIAGNOSIS:
I0314 13:39:16.582521     453 main.go:305] ***************************
I0314 13:39:16.582569     453 main.go:306] Args: [/syzkaller/managers/main/current/image -root /syzkaller/managers/main/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=none debug -stacks --ps ci-gvisor-main-2]
I0314 13:39:16.582600     453 main.go:307] Version release-20200219.0-175-g829beebf0b67
I0314 13:39:16.582624     453 main.go:308] PID: 453
I0314 13:39:16.582646     453 main.go:309] UID: 0, GID: 0
I0314 13:39:16.582665     453 main.go:310] Configuration:
I0314 13:39:16.582684     453 main.go:311] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0314 13:39:16.582712     453 main.go:312] 		Platform: ptrace
I0314 13:39:16.582744     453 main.go:313] 		FileAccess: shared, overlay: false
I0314 13:39:16.582776     453 main.go:314] 		Network: none, logging: false
I0314 13:39:16.582803     453 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0314 13:39:16.582823     453 main.go:316] ***************************
D0314 13:39:16.582896     453 container.go:159] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-2"
D0314 13:39:16.584321     453 container.go:592] Signal container "ci-gvisor-main-2": signal 0
D0314 13:39:16.584348     453 sandbox.go:814] Signal sandbox "ci-gvisor-main-2"
D0314 13:39:16.584374     453 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-2"
D0314 13:39:16.584503     453 urpc.go:534] urpc: successfully marshalled 96 bytes.
I0314 13:39:16.755143     453 debug.go:128] Found sandbox "ci-gvisor-main-2", PID: 45215
I0314 13:39:16.755193     453 debug.go:137] Retrieving sandbox stacks
D0314 13:39:16.755230     453 sandbox.go:932] Stacks sandbox "ci-gvisor-main-2"
D0314 13:39:16.755241     453 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-2"
W0314 13:39:16.755274     453 error.go:48] FATAL ERROR: retrieving stacks: connecting to control server at PID 45215: connection refused
retrieving stacks: connecting to control server at PID 45215: connection refused
W0314 13:39:16.755373     453 main.go:338] Failure to execute command, err: 1