panic: Sentry detected stuck task(s). See stack trace and message above for more details

DIAGNOSIS:
I0523 14:53:44.954752   29842 x:0] ***************************
I0523 14:53:44.954900   29842 x:0] Args: [/syzkaller/managers/kvm-direct-overlay-host-race/current/image -root /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=exclusive -overlay -network=host debug -stacks ci-gvisor-kvm-direct-overlay-host-race-2]
I0523 14:53:44.954962   29842 x:0] Version release-20190304.1-224-g022bd0fd1091
I0523 14:53:44.955007   29842 x:0] PID: 29842
I0523 14:53:44.955032   29842 x:0] UID: 0, GID: 0
I0523 14:53:44.955063   29842 x:0] Configuration:
I0523 14:53:44.955080   29842 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0523 14:53:44.955112   29842 x:0] 		Platform: ptrace
I0523 14:53:44.955139   29842 x:0] 		FileAccess: exclusive, overlay: true
I0523 14:53:44.955182   29842 x:0] 		Network: host, logging: false
I0523 14:53:44.955221   29842 x:0] 		Strace: false, max size: 1024, syscalls: []
I0523 14:53:44.955247   29842 x:0] ***************************
D0523 14:53:44.955383   29842 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-2"
D0523 14:53:44.961875   29842 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-2": signal 0
D0523 14:53:44.961960   29842 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0523 14:53:44.962562   29842 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0523 14:53:44.963460   29842 x:0] urpc: successfully marshalled 120 bytes.
I0523 14:53:45.206443   29842 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-2", PID: 24691
I0523 14:53:45.206495   29842 x:0] Retrieving sandbox stacks
D0523 14:53:45.206523   29842 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0523 14:53:45.206551   29842 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0523 14:53:45.206684   29842 x:0] urpc: successfully marshalled 36 bytes.
W0523 14:53:45.265361   29842 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer