panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 543353 [running]: panic(0x133ec20, 0xc014c999b0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc006c793c0 sp=0xc006c792f8 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc006c79408 sp=0xc006c793c0 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc002e34aa0, 0xc014c999a8, 0x8, 0x8, 0x1607338, 0x10000c019ba9500, 0x7fd40486fb98) pkg/sentry/fsimpl/fuse/request_response.go:57 +0x2e5 fp=0xc006c79428 sp=0xc006c79408 pc=0x10452e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc002e34aa0, 0xc014c999a8, 0x8, 0x8, 0xc000810400, 0x0, 0xc006c794d0) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:34 +0x53 fp=0xc006c79470 sp=0xc006c79428 pc=0x104a513 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc006c79598, 0x1604670, 0xc002e34aa0, 0x148e8d8, 0x142ab80) pkg/sentry/fsimpl/fuse/request_response.go:253 +0xee fp=0xc006c794e0 sp=0xc006c79470 pc=0x104598e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc00842cd80, 0xc006c79598, 0xc00023c001, 0x1, 0x1039247) pkg/sentry/fsimpl/fuse/connection_control.go:109 +0xe5 fp=0xc006c79520 sp=0xc006c794e0 pc=0x1036bc5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc005dffd00, 0x1607338, 0xc019ba9500, 0xc006c79598, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:548 +0xdb fp=0xc006c79560 sp=0xc006c79520 pc=0x103963b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc005dffd00, 0x1607338, 0xc019ba9500, 0xc012f5a880, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:505 +0x150 fp=0xc006c795e8 sp=0xc006c79560 pc=0x1039310 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc005dffd00, 0x1607338, 0xc019ba9500, 0x1601840, 0xc006726000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:411 +0x44a fp=0xc006c797c0 sp=0xc006c795e8 pc=0x103886a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc005dffd00, 0x1607338, 0xc019ba9500, 0x1601840, 0xc006726000, 0x0, 0x1, 0x20004d00, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:294 +0x10a fp=0xc006c79860 sp=0xc006c797c0 pc=0x10383aa gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc005dffd00, 0x1607338, 0xc019ba9500, 0x1601840, 0xc006726000, 0x0, 0x1, 0x20004d00, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc006c798f8 sp=0xc006c79860 pc=0x788ca3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc019ba9500, 0xc005dffd00, 0x1601840, 0xc006726000, 0x0, 0x1, 0x20004d00, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc006c79a88 sp=0xc006c798f8 pc=0xf707a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc019ba9500, 0x4, 0x20004d00, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc006c79bb8 sp=0xc006c79a88 pc=0xf6ffb3 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc019ba9500, 0x1, 0x4, 0x20004d00, 0x18, 0x0, 0x0, 0x0, 0x0, 0x14300c0, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc006c79c78 sp=0xc006c79bb8 pc=0xa848f9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc019ba9500, 0x1, 0x4, 0x20004d00, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc006c79d00 sp=0xc006c79c78 pc=0xa85bd0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc019ba9500, 0x1, 0x4, 0x20004d00, 0x18, 0x0, 0x0, 0x0, 0xc00ae45790, 0x1618548) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc006c79d60 sp=0xc006c79d00 pc=0xa856b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc019ba9500, 0x2, 0xc019ba9500) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc006c79e30 sp=0xc006c79d60 pc=0xa84f98 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc019ba9500, 0x15d9940, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc006c79f68 sp=0xc006c79e30 pc=0xa77eba gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc019ba9500, 0x5936) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc006c79fd0 sp=0xc006c79f68 pc=0xa76c79 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc006c79fd8 sp=0xc006c79fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116