panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 1655757 [running]: panic(0x133dc20, 0xc007bf8528) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00bbd53c0 sp=0xc00bbd52f8 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc00bbd5408 sp=0xc00bbd53c0 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0035c7a90, 0xc007770b50, 0x0, 0x0, 0x16062b8, 0x10000c00ec38000, 0x3fa77f5f1b28) pkg/sentry/fsimpl/fuse/request_response.go:53 +0x313 fp=0xc00bbd5428 sp=0xc00bbd5408 pc=0x1044f93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0035c7a90, 0xc007770b50, 0x0, 0x0, 0xc0005a3c00, 0x0, 0xc00bbd54d0) bazel-out/k8-fastbuild-ST-4c64f0b3d5c7/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:34 +0x53 fp=0xc00bbd5470 sp=0xc00bbd5428 pc=0x104a193 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc00bbd5598, 0x16035f0, 0xc0035c7a90, 0x148d888, 0x1429b80) pkg/sentry/fsimpl/fuse/request_response.go:253 +0xee fp=0xc00bbd54e0 sp=0xc00bbd5470 pc=0x104560e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc0063ac4e0, 0xc00bbd5598, 0xc000327b01, 0x1, 0x1038ec7) pkg/sentry/fsimpl/fuse/connection_control.go:109 +0xe5 fp=0xc00bbd5520 sp=0xc00bbd54e0 pc=0x1036845 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc002ad9300, 0x16062b8, 0xc00ec38000, 0xc00bbd5598, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:548 +0xdb fp=0xc00bbd5560 sp=0xc00bbd5520 pc=0x10392bb gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc002ad9300, 0x16062b8, 0xc00ec38000, 0xc005da9b40, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:505 +0x150 fp=0xc00bbd55e8 sp=0xc00bbd5560 pc=0x1038f90 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc002ad9300, 0x16062b8, 0xc00ec38000, 0x16007c0, 0xc00d7ed000, 0x0, 0x1, 0x20002a50, 0x34, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:411 +0x44a fp=0xc00bbd57c0 sp=0xc00bbd55e8 pc=0x10384ea gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc002ad9300, 0x16062b8, 0xc00ec38000, 0x16007c0, 0xc00d7ed000, 0x0, 0x1, 0x20002a40, 0x44, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:294 +0x10a fp=0xc00bbd5860 sp=0xc00bbd57c0 pc=0x103802a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc002ad9300, 0x16062b8, 0xc00ec38000, 0x16007c0, 0xc00d7ed000, 0x0, 0x1, 0x20002a40, 0x44, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc00bbd58f8 sp=0xc00bbd5860 pc=0x788ca3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00ec38000, 0xc002ad9300, 0x16007c0, 0xc00d7ed000, 0x0, 0x1, 0x20002a40, 0x44, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc00bbd5a88 sp=0xc00bbd58f8 pc=0xf70425 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00ec38000, 0xd, 0x20002a40, 0x44, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc00bbd5bb8 sp=0xc00bbd5a88 pc=0xf6fc33 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00ec38000, 0x1, 0xd, 0x20002a40, 0x44, 0x0, 0x0, 0x0, 0xc000001fa0, 0x142f0c0, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc00bbd5c78 sp=0xc00bbd5bb8 pc=0xa84579 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00ec38000, 0x1, 0xd, 0x20002a40, 0x44, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc00bbd5d00 sp=0xc00bbd5c78 pc=0xa85850 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00ec38000, 0x1, 0xd, 0x20002a40, 0x44, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc00bbd5d60 sp=0xc00bbd5d00 pc=0xa85334 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00ec38000, 0x2, 0xc00ec38000) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc00bbd5e30 sp=0xc00bbd5d60 pc=0xa84c18 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00ec38000, 0x15d88c0, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc00bbd5f68 sp=0xc00bbd5e30 pc=0xa77b3a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00ec38000, 0x7c5d) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc00bbd5fd0 sp=0xc00bbd5f68 pc=0xa768f9 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00bbd5fd8 sp=0xc00bbd5fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116