panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 1172640 [running]: panic(0x1226980, 0xc00b50e138) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc006fc92a8 sp=0xc006fc91e0 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc006fc92f0 sp=0xc006fc92a8 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc00496e9b0, 0xc00b50e130, 0x8, 0x8, 0xc00af285f8, 0x100000000000038, 0x7f2e070aefd0) pkg/sentry/fsimpl/fuse/request_response.go:54 +0x2b2 fp=0xc006fc9310 sp=0xc006fc92f0 pc=0xf37172 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc00496e9b0, 0xc00b50e130, 0x8, 0x8, 0xc001d64800, 0x0, 0xc006fc93b8) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x49 fp=0xc006fc9358 sp=0xc006fc9310 pc=0xf3bd09 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc006fc9480, 0x14bd910, 0xc00496e9b0, 0x126a401, 0x13126a0) pkg/sentry/fsimpl/fuse/request_response.go:228 +0xb7 fp=0xc006fc93c8 sp=0xc006fc9358 pc=0xf37737 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc004ae8840, 0xc006fc9480, 0x1365b01, 0x13126a0, 0xc0002e6a00) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x9a fp=0xc006fc9408 sp=0xc006fc93c8 pc=0xf2aa7a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc00371ca00, 0x14c07d8, 0xc003d60a80, 0xc006fc9480, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:453 +0x106 fp=0xc006fc9448 sp=0xc006fc9408 pc=0xf2cf66 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc00371ca00, 0x14c07d8, 0xc003d60a80, 0xc006cf4080, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:416 +0x11e fp=0xc006fc94d0 sp=0xc006fc9448 pc=0xf2cc7e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc00371ca00, 0x14c07d8, 0xc003d60a80, 0x14bab40, 0xc008e4d000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0x40a fp=0xc006fc9718 sp=0xc006fc94d0 pc=0xf2c2ca gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc00371ca00, 0x14c07d8, 0xc003d60a80, 0x14bab40, 0xc008e4d000, 0x0, 0x1, 0x20000240, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:247 +0x105 fp=0xc006fc97b8 sp=0xc006fc9718 pc=0xf2be45 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00371ca00, 0x14c07d8, 0xc003d60a80, 0x14bab40, 0xc008e4d000, 0x0, 0x1, 0x20000240, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc006fc9850 sp=0xc006fc97b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc003d60a80, 0xc00371ca00, 0x14bab40, 0xc008e4d000, 0x0, 0x1, 0x20000240, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc006fc99e0 sp=0xc006fc9850 pc=0xe7087b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc003d60a80, 0x4, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc006fc9b10 sp=0xc006fc99e0 pc=0xe70165 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003d60a80, 0x1, 0x4, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x0, 0x1317be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc006fc9c70 sp=0xc006fc9b10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003d60a80, 0x1, 0x4, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc006fc9cf8 sp=0xc006fc9c70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003d60a80, 0x1, 0x4, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x14d19e8, 0xc002570ea0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc006fc9d58 sp=0xc006fc9cf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc003d60a80, 0x2, 0xc003d60a80) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc006fc9e28 sp=0xc006fc9d58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc003d60a80, 0x14929c0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc006fc9f68 sp=0xc006fc9e28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003d60a80, 0x9ead) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc006fc9fd0 sp=0xc006fc9f68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc006fc9fd8 sp=0xc006fc9fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe