panic: Sentry detected stuck task(s). See stack trace and message above for more details
DIAGNOSIS:
I0523 14:13:25.005291   63970 x:0] ***************************
I0523 14:13:25.005407   63970 x:0] Args: [/syzkaller/managers/ptrace-proxy-sandbox-race/current/image -root /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=shared -network=sandbox debug -stacks ci-gvisor-ptrace-proxy-sandbox-race-3]
I0523 14:13:25.005476   63970 x:0] Version release-20190304.1-224-g022bd0fd1091
I0523 14:13:25.005492   63970 x:0] PID: 63970
I0523 14:13:25.005511   63970 x:0] UID: 0, GID: 0
I0523 14:13:25.005530   63970 x:0] Configuration:
I0523 14:13:25.005542   63970 x:0] 		RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root
I0523 14:13:25.005562   63970 x:0] 		Platform: ptrace
I0523 14:13:25.005581   63970 x:0] 		FileAccess: shared, overlay: false
I0523 14:13:25.005614   63970 x:0] 		Network: sandbox, logging: false
I0523 14:13:25.005632   63970 x:0] 		Strace: false, max size: 1024, syscalls: []
I0523 14:13:25.005653   63970 x:0] ***************************
D0523 14:13:25.006062   63970 x:0] Load container "/syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root" "ci-gvisor-ptrace-proxy-sandbox-race-3"
D0523 14:13:25.012724   63970 x:0] Signal container "ci-gvisor-ptrace-proxy-sandbox-race-3": signal 0
D0523 14:13:25.012809   63970 x:0] Signal sandbox "ci-gvisor-ptrace-proxy-sandbox-race-3"
D0523 14:13:25.012846   63970 x:0] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-3"
D0523 14:13:25.014344   63970 x:0] urpc: successfully marshalled 117 bytes.
I0523 14:13:25.346990   63970 x:0] Found sandbox "ci-gvisor-ptrace-proxy-sandbox-race-3", PID: 7757
I0523 14:13:25.347082   63970 x:0] Retrieving sandbox stacks
D0523 14:13:25.347120   63970 x:0] Stacks sandbox "ci-gvisor-ptrace-proxy-sandbox-race-3"
D0523 14:13:25.347167   63970 x:0] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-3"
D0523 14:13:25.347304   63970 x:0] urpc: successfully marshalled 36 bytes.
W0523 14:13:25.435196   63970 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-ptrace-proxy-sandbox-race-3" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-ptrace-proxy-sandbox-race-3" stacks: urpc method "debug.Stacks" failed: connection reset by peer