panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 344157 [running]: panic(0x1227980, 0xc049b2e678) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0013472a8 sp=0xc0013471e0 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc0013472f0 sp=0xc0013472a8 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc049b34d20, 0xc049b2e670, 0x8, 0x8, 0x861c473a, 0x100000000000038, 0x7fa639a9c110) pkg/sentry/fsimpl/fuse/request_response.go:54 +0x2b2 fp=0xc001347310 sp=0xc0013472f0 pc=0xf37552 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc049b34d20, 0xc049b2e670, 0x8, 0x8, 0xc00069c400, 0x0, 0xc0013473b8) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x49 fp=0xc001347358 sp=0xc001347310 pc=0xf3c0e9 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc001347480, 0x14be9d0, 0xc049b34d20, 0x126b401, 0x13136a0) pkg/sentry/fsimpl/fuse/request_response.go:228 +0xb7 fp=0xc0013473c8 sp=0xc001347358 pc=0xf37b17 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc04977b6e0, 0xc001347480, 0x1366b01, 0x13136a0, 0xc000308a00) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x9a fp=0xc001347408 sp=0xc0013473c8 pc=0xf2ad9a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc049b50100, 0x14c1898, 0xc0494ff500, 0xc001347480, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:465 +0x106 fp=0xc001347448 sp=0xc001347408 pc=0xf2d346 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc049b50100, 0x14c1898, 0xc0494ff500, 0xc04972bf00, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:428 +0x11e fp=0xc0013474d0 sp=0xc001347448 pc=0xf2d05e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc049b50100, 0x14c1898, 0xc0494ff500, 0x14bbc00, 0xc0494f9000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:352 +0x40a fp=0xc001347718 sp=0xc0013474d0 pc=0xf2c6aa gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc049b50100, 0x14c1898, 0xc0494ff500, 0x14bbc00, 0xc0494f9000, 0x0, 0x1, 0x20000080, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:257 +0x105 fp=0xc0013477b8 sp=0xc001347718 pc=0xf2c225 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc049b50100, 0x14c1898, 0xc0494ff500, 0x14bbc00, 0xc0494f9000, 0x0, 0x1, 0x20000080, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc001347850 sp=0xc0013477b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0494ff500, 0xc049b50100, 0x14bbc00, 0xc0494f9000, 0x0, 0x1, 0x20000080, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc0013479e0 sp=0xc001347850 pc=0xe7053b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0494ff500, 0x3, 0x20000080, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc001347b10 sp=0xc0013479e0 pc=0xe6fe25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0494ff500, 0x1, 0x3, 0x20000080, 0x18, 0x0, 0x0, 0x0, 0x0, 0x1318be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc001347c70 sp=0xc001347b10 pc=0x9f169c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0494ff500, 0x1, 0x3, 0x20000080, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc001347cf8 sp=0xc001347c70 pc=0x9f2846 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0494ff500, 0x1, 0x3, 0x20000080, 0x18, 0x0, 0x0, 0x0, 0x14d2aa8, 0xc048f1b320) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc001347d58 sp=0xc001347cf8 pc=0x9f2438 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0494ff500, 0x2, 0xc0494ff500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc001347e28 sp=0xc001347d58 pc=0x9f1ddc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0494ff500, 0x1493a80, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc001347f68 sp=0xc001347e28 pc=0x9e6b67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0494ff500, 0x3e89) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc001347fd0 sp=0xc001347f68 pc=0x9e5aa2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc001347fd8 sp=0xc001347fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe