panic: runtime error: index out of range goroutine 223 [running]: DIAGNOSIS: I0330 13:09:02.602666 58354 x:0] *************************** I0330 13:09:02.602795 58354 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-1] I0330 13:09:02.602859 58354 x:0] Git Revision: a046054ba35e8d8c4882f9311dc964eaa1497d58 I0330 13:09:02.602887 58354 x:0] PID: 58354 I0330 13:09:02.602907 58354 x:0] UID: 0, GID: 0 I0330 13:09:02.602940 58354 x:0] Configuration: I0330 13:09:02.602953 58354 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root I0330 13:09:02.602981 58354 x:0] Platform: ptrace I0330 13:09:02.603001 58354 x:0] FileAccess: exclusive, overlay: true I0330 13:09:02.603024 58354 x:0] Network: host, logging: false I0330 13:09:02.603049 58354 x:0] Strace: false, max size: 1024, syscalls: [] I0330 13:09:02.603077 58354 x:0] *************************** D0330 13:09:02.603136 58354 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-1" D0330 13:09:02.610150 58354 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-1": signal 0 D0330 13:09:02.610229 58354 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" D0330 13:09:02.610289 58354 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" D0330 13:09:02.610950 58354 x:0] urpc: successfully marshalled 120 bytes. I0330 13:09:02.715585 58354 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-1", PID: 54970 I0330 13:09:02.715644 58354 x:0] Retrieving sandbox stacks D0330 13:09:02.715667 58354 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" D0330 13:09:02.715694 58354 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" D0330 13:09:02.715847 58354 x:0] urpc: successfully marshalled 36 bytes. W0330 13:09:02.723291 58354 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer