panic: invalid allocation length: 0x0

goroutine 172 [running]:
DIAGNOSIS:
I0121 06:31:10.478572   30525 x:0] ***************************
I0121 06:31:10.478585   30525 x:0] Args: [/syzkaller/managers/ptrace-direct-overlay-host/current/image -root /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=host debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-0]
I0121 06:31:10.478601   30525 x:0] Version release-20200115.0-34-g10401599e104
I0121 06:31:10.478606   30525 x:0] PID: 30525
I0121 06:31:10.478617   30525 x:0] UID: 0, GID: 0
I0121 06:31:10.478623   30525 x:0] Configuration:
I0121 06:31:10.478626   30525 x:0] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root
I0121 06:31:10.478629   30525 x:0] 		Platform: ptrace
I0121 06:31:10.478632   30525 x:0] 		FileAccess: shared, overlay: false
I0121 06:31:10.478653   30525 x:0] 		Network: host, logging: false
I0121 06:31:10.478659   30525 x:0] 		Strace: false, max size: 1024, syscalls: []
I0121 06:31:10.478663   30525 x:0] ***************************
D0121 06:31:10.478708   30525 x:0] Load container "/syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-0"
D0121 06:31:10.479864   30525 x:0] Signal container "ci-gvisor-ptrace-direct-overlay-host-0": signal 0
D0121 06:31:10.479880   30525 x:0] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-0"
D0121 06:31:10.479885   30525 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-0"
D0121 06:31:10.480002   30525 x:0] urpc: successfully marshalled 118 bytes.
I0121 06:31:10.718484   30525 x:0] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-0", PID: 27351
I0121 06:31:10.718504   30525 x:0] Retrieving sandbox stacks
D0121 06:31:10.718509   30525 x:0] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-0"
D0121 06:31:10.718514   30525 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-0"
D0121 06:31:10.718579   30525 x:0] urpc: successfully marshalled 36 bytes.
W0121 06:31:10.726387   30525 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
W0121 06:31:10.726449   30525 x:0] Failure to execute command, err: 1