panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 1258586 [running]: panic(0x1226980, 0xc0008654a0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0010032a8 sp=0xc0010031e0 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc0010032f0 sp=0xc0010032a8 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0011ccf00, 0xc015eade60, 0x0, 0x0, 0xc00a031860, 0x100000000000038, 0x7fd3381ca250) pkg/sentry/fsimpl/fuse/request_response.go:50 +0x2e5 fp=0xc001003310 sp=0xc0010032f0 pc=0xf37245 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0011ccf00, 0xc015eade60, 0x0, 0x0, 0xc0005e0000, 0x0, 0xc0010033b8) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x49 fp=0xc001003358 sp=0xc001003310 pc=0xf3bda9 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc001003480, 0x14bd870, 0xc0011ccf00, 0x126a401, 0x13126a0) pkg/sentry/fsimpl/fuse/request_response.go:228 +0xb7 fp=0xc0010033c8 sp=0xc001003358 pc=0xf377d7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc001a4f380, 0xc001003480, 0x1365a01, 0x13126a0, 0xc000294f00) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x9a fp=0xc001003408 sp=0xc0010033c8 pc=0xf2ab1a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc000a3fa00, 0x14c0738, 0xc00f018a80, 0xc001003480, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:453 +0x106 fp=0xc001003448 sp=0xc001003408 pc=0xf2d006 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc000a3fa00, 0x14c0738, 0xc00f018a80, 0xc00a416300, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:416 +0x11e fp=0xc0010034d0 sp=0xc001003448 pc=0xf2cd1e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc000a3fa00, 0x14c0738, 0xc00f018a80, 0x14baaa0, 0xc00a031000, 0x0, 0x1, 0x20000090, 0x85, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0x40a fp=0xc001003718 sp=0xc0010034d0 pc=0xf2c36a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc000a3fa00, 0x14c0738, 0xc00f018a80, 0x14baaa0, 0xc00a031000, 0x0, 0x1, 0x20000080, 0x95, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:247 +0x105 fp=0xc0010037b8 sp=0xc001003718 pc=0xf2bee5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000a3fa00, 0x14c0738, 0xc00f018a80, 0x14baaa0, 0xc00a031000, 0x0, 0x1, 0x20000080, 0x95, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc001003850 sp=0xc0010037b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00f018a80, 0xc000a3fa00, 0x14baaa0, 0xc00a031000, 0x0, 0x1, 0x20000080, 0x95, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc0010039e0 sp=0xc001003850 pc=0xe7053b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00f018a80, 0x4, 0x20000080, 0x95, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc001003b10 sp=0xc0010039e0 pc=0xe6fe25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00f018a80, 0x1, 0x4, 0x20000080, 0x95, 0x0, 0x0, 0x0, 0x0, 0x1317be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc001003c70 sp=0xc001003b10 pc=0x9f169c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00f018a80, 0x1, 0x4, 0x20000080, 0x95, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc001003cf8 sp=0xc001003c70 pc=0x9f2846 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00f018a80, 0x1, 0x4, 0x20000080, 0x95, 0x0, 0x0, 0x0, 0x14d1948, 0xc01189cfc0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc001003d58 sp=0xc001003cf8 pc=0x9f2438 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00f018a80, 0x2, 0xc00f018a80) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc001003e28 sp=0xc001003d58 pc=0x9f1ddc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00f018a80, 0x1492920, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc001003f68 sp=0xc001003e28 pc=0x9e6b67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00f018a80, 0x81f7) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc001003fd0 sp=0xc001003f68 pc=0x9e5aa2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc001003fd8 sp=0xc001003fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe