panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 1172404 [running]: panic(0x1227980, 0xc010eb91a0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc002bc92a8 sp=0xc002bc91e0 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc002bc92f0 sp=0xc002bc92a8 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0047ff450, 0xc010eb9198, 0x8, 0x8, 0x44, 0x100000000203004, 0x3ff3decd88e8) pkg/sentry/fsimpl/fuse/request_response.go:54 +0x2b2 fp=0xc002bc9310 sp=0xc002bc92f0 pc=0xf37552 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0047ff450, 0xc010eb9198, 0x8, 0x8, 0xc003686000, 0x0, 0xc002bc93b8) bazel-out/k8-fastbuild-ST-4c64f0b3d5c7/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x49 fp=0xc002bc9358 sp=0xc002bc9310 pc=0xf3c0e9 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc002bc9480, 0x14be9d0, 0xc0047ff450, 0x126b401, 0x13136a0) pkg/sentry/fsimpl/fuse/request_response.go:228 +0xb7 fp=0xc002bc93c8 sp=0xc002bc9358 pc=0xf37b17 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc005b8a0c0, 0xc002bc9480, 0x1366b01, 0x13136a0, 0xc0001ff180) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x9a fp=0xc002bc9408 sp=0xc002bc93c8 pc=0xf2ad9a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc004a06600, 0x14c1898, 0xc005c40a80, 0xc002bc9480, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:465 +0x106 fp=0xc002bc9448 sp=0xc002bc9408 pc=0xf2d346 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc004a06600, 0x14c1898, 0xc005c40a80, 0xc017d24e40, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:428 +0x11e fp=0xc002bc94d0 sp=0xc002bc9448 pc=0xf2d05e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc004a06600, 0x14c1898, 0xc005c40a80, 0x14bbc00, 0xc00589c000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:352 +0x40a fp=0xc002bc9718 sp=0xc002bc94d0 pc=0xf2c6aa gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc004a06600, 0x14c1898, 0xc005c40a80, 0x14bbc00, 0xc00589c000, 0x0, 0x1, 0x20000240, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:257 +0x105 fp=0xc002bc97b8 sp=0xc002bc9718 pc=0xf2c225 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc004a06600, 0x14c1898, 0xc005c40a80, 0x14bbc00, 0xc00589c000, 0x0, 0x1, 0x20000240, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc002bc9850 sp=0xc002bc97b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc005c40a80, 0xc004a06600, 0x14bbc00, 0xc00589c000, 0x0, 0x1, 0x20000240, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc002bc99e0 sp=0xc002bc9850 pc=0xe7053b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc005c40a80, 0x3, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc002bc9b10 sp=0xc002bc99e0 pc=0xe6fe25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc005c40a80, 0x1, 0x3, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0xc000001fa0, 0x1318be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc002bc9c70 sp=0xc002bc9b10 pc=0x9f169c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc005c40a80, 0x1, 0x3, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc002bc9cf8 sp=0xc002bc9c70 pc=0x9f2846 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005c40a80, 0x1, 0x3, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc002bc9d58 sp=0xc002bc9cf8 pc=0x9f2438 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005c40a80, 0x2, 0xc005c40a80) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc002bc9e28 sp=0xc002bc9d58 pc=0x9f1ddc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc005c40a80, 0x1493a80, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc002bc9f68 sp=0xc002bc9e28 pc=0x9e6b67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc005c40a80, 0x784e) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc002bc9fd0 sp=0xc002bc9f68 pc=0x9e5aa2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc002bc9fd8 sp=0xc002bc9fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe