panic: runtime error: slice bounds out of range [:4] with capacity 1 goroutine 1524456 [running]: panic(0x122a140, 0xc09d94c288) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0006532b8 sp=0xc0006531f0 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x1) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc000653300 sp=0xc0006532b8 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc004ea53b0, 0xc09d94c190, 0x5, 0x5, 0x7f12ba251db8, 0x0, 0x44) pkg/sentry/fsimpl/fuse/request_response.go:52 +0x2cc fp=0xc000653320 sp=0xc000653300 pc=0xf3b36c gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc004ea53b0, 0xc09d94c190, 0x5, 0x5, 0xc0006533b8, 0x40e318, 0x44) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x49 fp=0xc000653368 sp=0xc000653320 pc=0xf3fe69 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc000653480, 0x14c23d0, 0xc004ea53b0, 0x126e201, 0x1316560) pkg/sentry/fsimpl/fuse/request_response.go:226 +0xb2 fp=0xc0006533c8 sp=0xc000653368 pc=0xf3b912 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc002fb2960, 0xc000653480, 0x1369a01, 0x1316560, 0xc00048a000) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x9a fp=0xc000653408 sp=0xc0006533c8 pc=0xf2e17a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc001378200, 0x14c52f8, 0xc09ec7d500, 0xc000653480, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:454 +0x106 fp=0xc000653448 sp=0xc000653408 pc=0xf30486 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc001378200, 0x14c52f8, 0xc09ec7d500, 0xc0061b8800, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:417 +0x11e fp=0xc0006534d0 sp=0xc000653448 pc=0xf3019e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc001378200, 0x14c52f8, 0xc09ec7d500, 0x14bf460, 0xc00e21c000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0x40a fp=0xc000653718 sp=0xc0006534d0 pc=0xf2f7ea gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc001378200, 0x14c52f8, 0xc09ec7d500, 0x14bf460, 0xc00e21c000, 0x0, 0x1, 0x20000080, 0x15, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:246 +0x105 fp=0xc0006537b8 sp=0xc000653718 pc=0xf2f365 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc001378200, 0x14c52f8, 0xc09ec7d500, 0x14bf460, 0xc00e21c000, 0x0, 0x1, 0x20000080, 0x15, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc000653850 sp=0xc0006537b8 pc=0x759574 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc09ec7d500, 0xc001378200, 0x14bf460, 0xc00e21c000, 0x0, 0x1, 0x20000080, 0x15, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc0006539e0 sp=0xc000653850 pc=0xe732fb gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc09ec7d500, 0xe, 0x20000080, 0x15, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc000653b10 sp=0xc0006539e0 pc=0xe72be5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc09ec7d500, 0x1, 0xe, 0x20000080, 0x15, 0xe, 0x0, 0x0, 0x0, 0x131baa0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc000653c70 sp=0xc000653b10 pc=0x9f411c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc09ec7d500, 0x1, 0xe, 0x20000080, 0x15, 0xe, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc000653cf8 sp=0xc000653c70 pc=0x9f52c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc09ec7d500, 0x1, 0xe, 0x20000080, 0x15, 0xe, 0x0, 0x0, 0x14d6608, 0xc0a3ed8120) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000653d58 sp=0xc000653cf8 pc=0x9f4eb8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc09ec7d500, 0x2, 0xc09ec7d500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000653e28 sp=0xc000653d58 pc=0x9f485c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc09ec7d500, 0x1497280, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc000653f68 sp=0xc000653e28 pc=0x9e9587 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc09ec7d500, 0x413f) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc000653fd0 sp=0xc000653f68 pc=0x9e84c2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000653fd8 sp=0xc000653fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0xfe