fatal error: out of memory
DIAGNOSIS:
I0321 12:09:17.897499   45269 main.go:305] ***************************
I0321 12:09:17.897560   45269 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-1]
I0321 12:09:17.897600   45269 main.go:307] Version release-20200219.0-214-gd5fe1ce0c1c5
I0321 12:09:17.897624   45269 main.go:308] PID: 45269
I0321 12:09:17.897648   45269 main.go:309] UID: 0, GID: 0
I0321 12:09:17.897669   45269 main.go:310] Configuration:
I0321 12:09:17.897690   45269 main.go:311] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0321 12:09:17.897723   45269 main.go:312] 		Platform: ptrace
I0321 12:09:17.897745   45269 main.go:313] 		FileAccess: shared, overlay: false
I0321 12:09:17.897772   45269 main.go:314] 		Network: none, logging: false
I0321 12:09:17.897803   45269 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0321 12:09:17.897832   45269 main.go:316] ***************************
D0321 12:09:17.897901   45269 container.go:159] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-1"
D0321 12:09:17.899508   45269 container.go:592] Signal container "ci-gvisor-main-1": signal 0
D0321 12:09:17.899549   45269 sandbox.go:814] Signal sandbox "ci-gvisor-main-1"
D0321 12:09:17.899566   45269 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-1"
D0321 12:09:17.899726   45269 urpc.go:534] urpc: successfully marshalled 96 bytes.
I0321 12:09:18.076112   45269 debug.go:128] Found sandbox "ci-gvisor-main-1", PID: 43046
I0321 12:09:18.076166   45269 debug.go:137] Retrieving sandbox stacks
D0321 12:09:18.076199   45269 sandbox.go:932] Stacks sandbox "ci-gvisor-main-1"
D0321 12:09:18.076223   45269 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-1"
W0321 12:09:18.076267   45269 error.go:48] FATAL ERROR: retrieving stacks: connecting to control server at PID 43046: connection refused
retrieving stacks: connecting to control server at PID 43046: connection refused
W0321 12:09:18.076403   45269 main.go:338] Failure to execute command, err: 1