fatal error: out of memory
DIAGNOSIS:
I0317 20:19:01.798092   51033 main.go:305] ***************************
I0317 20:19:01.798146   51033 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-3]
I0317 20:19:01.798185   51033 main.go:307] Version release-20200219.0-187-g42d78ba61bf9
I0317 20:19:01.798206   51033 main.go:308] PID: 51033
I0317 20:19:01.798227   51033 main.go:309] UID: 0, GID: 0
I0317 20:19:01.798248   51033 main.go:310] Configuration:
I0317 20:19:01.798271   51033 main.go:311] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0317 20:19:01.798942   51033 main.go:312] 		Platform: ptrace
I0317 20:19:01.798962   51033 main.go:313] 		FileAccess: shared, overlay: false
I0317 20:19:01.799786   51033 main.go:314] 		Network: none, logging: false
I0317 20:19:01.799820   51033 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0317 20:19:01.799844   51033 main.go:316] ***************************
D0317 20:19:01.799916   51033 container.go:159] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-3"
D0317 20:19:01.811223   51033 container.go:592] Signal container "ci-gvisor-main-3": signal 0
D0317 20:19:01.811271   51033 sandbox.go:814] Signal sandbox "ci-gvisor-main-3"
D0317 20:19:01.811290   51033 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-3"
D0317 20:19:01.811424   51033 urpc.go:534] urpc: successfully marshalled 96 bytes.
I0317 20:19:01.956455   51033 debug.go:128] Found sandbox "ci-gvisor-main-3", PID: 49833
I0317 20:19:01.956512   51033 debug.go:137] Retrieving sandbox stacks
D0317 20:19:01.956559   51033 sandbox.go:932] Stacks sandbox "ci-gvisor-main-3"
D0317 20:19:01.956572   51033 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-3"
W0317 20:19:01.956609   51033 error.go:48] FATAL ERROR: retrieving stacks: connecting to control server at PID 49833: connection refused
retrieving stacks: connecting to control server at PID 49833: connection refused
W0317 20:19:01.956733   51033 main.go:338] Failure to execute command, err: 1