panic: runtime error: slice bounds out of range [:17] with capacity 16

DIAGNOSIS:
I0103 04:25:54.254316   36172 x:0] ***************************
I0103 04:25:54.254390   36172 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 -alsologtostderr -platform=ptrace -file-access=shared -network=sandbox -TESTONLY-unsafe-nonroot debug -stacks --ps ci-gvisor-ptrace-proxy-sandbox-race-2]
I0103 04:25:54.254498   36172 x:0] Version release-20191213.0-56-g1f384ac42b9e
I0103 04:25:54.254534   36172 x:0] PID: 36172
I0103 04:25:54.254573   36172 x:0] UID: 0, GID: 0
I0103 04:25:54.254604   36172 x:0] Configuration:
I0103 04:25:54.254634   36172 x:0] 		RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root
I0103 04:25:54.254686   36172 x:0] 		Platform: ptrace
I0103 04:25:54.254716   36172 x:0] 		FileAccess: shared, overlay: false
I0103 04:25:54.254762   36172 x:0] 		Network: sandbox, logging: false
I0103 04:25:54.254804   36172 x:0] 		Strace: false, max size: 1024, syscalls: []
I0103 04:25:54.254864   36172 x:0] ***************************
W0103 04:25:54.254894   36172 x:0] Block the TERM signal. This is only safe in tests!
D0103 04:25:54.256825   36172 x:0] Load container "/syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root" "ci-gvisor-ptrace-proxy-sandbox-race-2"
D0103 04:25:54.266635   36172 x:0] Signal container "ci-gvisor-ptrace-proxy-sandbox-race-2": signal 0
D0103 04:25:54.267641   36172 x:0] Signal sandbox "ci-gvisor-ptrace-proxy-sandbox-race-2"
D0103 04:25:54.267731   36172 x:0] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-2"
D0103 04:25:54.269281   36172 x:0] urpc: successfully marshalled 117 bytes.
I0103 04:25:54.949616   36172 x:0] Found sandbox "ci-gvisor-ptrace-proxy-sandbox-race-2", PID: 33077
I0103 04:25:54.949758   36172 x:0] Retrieving sandbox stacks
D0103 04:25:54.949795   36172 x:0] Stacks sandbox "ci-gvisor-ptrace-proxy-sandbox-race-2"
D0103 04:25:54.949872   36172 x:0] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-2"
D0103 04:25:54.950054   36172 x:0] urpc: successfully marshalled 36 bytes.
W0103 04:25:55.013079   36172 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-ptrace-proxy-sandbox-race-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-ptrace-proxy-sandbox-race-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer
W0103 04:25:55.013345   36172 x:0] Failure to execute command, err: 1