panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 2970619 [running]: panic(0x1227980, 0xc02a0ba060) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0061cf2a8 sp=0xc0061cf1e0 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc0061cf2f0 sp=0xc0061cf2a8 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc006f3a2d0, 0xc02a0ba058, 0x8, 0x8, 0x861c46fb, 0x100000000000038, 0x7fcac5bb2010) pkg/sentry/fsimpl/fuse/request_response.go:54 +0x2b2 fp=0xc0061cf310 sp=0xc0061cf2f0 pc=0xf37552 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc006f3a2d0, 0xc02a0ba058, 0x8, 0x8, 0xc02d982000, 0x0, 0xc0061cf3b8) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x49 fp=0xc0061cf358 sp=0xc0061cf310 pc=0xf3c0e9 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc0061cf480, 0x14be9d0, 0xc006f3a2d0, 0x126b401, 0x13136a0) pkg/sentry/fsimpl/fuse/request_response.go:228 +0xb7 fp=0xc0061cf3c8 sp=0xc0061cf358 pc=0xf37b17 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc02b851620, 0xc0061cf480, 0x1366b01, 0x13136a0, 0xc000162000) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x9a fp=0xc0061cf408 sp=0xc0061cf3c8 pc=0xf2ad9a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc002891600, 0x14c1898, 0xc003272a80, 0xc0061cf480, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:465 +0x106 fp=0xc0061cf448 sp=0xc0061cf408 pc=0xf2d346 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc002891600, 0x14c1898, 0xc003272a80, 0xc01b866d00, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:428 +0x11e fp=0xc0061cf4d0 sp=0xc0061cf448 pc=0xf2d05e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc002891600, 0x14c1898, 0xc003272a80, 0x14bbc00, 0xc00472b000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:352 +0x40a fp=0xc0061cf718 sp=0xc0061cf4d0 pc=0xf2c6aa gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc002891600, 0x14c1898, 0xc003272a80, 0x14bbc00, 0xc00472b000, 0x0, 0x1, 0x200000c0, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:257 +0x105 fp=0xc0061cf7b8 sp=0xc0061cf718 pc=0xf2c225 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc002891600, 0x14c1898, 0xc003272a80, 0x14bbc00, 0xc00472b000, 0x0, 0x1, 0x200000c0, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc0061cf850 sp=0xc0061cf7b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc003272a80, 0xc002891600, 0x14bbc00, 0xc00472b000, 0x0, 0x1, 0x200000c0, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc0061cf9e0 sp=0xc0061cf850 pc=0xe7053b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc003272a80, 0x3, 0x200000c0, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc0061cfb10 sp=0xc0061cf9e0 pc=0xe6fe25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003272a80, 0x1, 0x3, 0x200000c0, 0x18, 0x0, 0x0, 0x0, 0x0, 0x1318be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0061cfc70 sp=0xc0061cfb10 pc=0x9f169c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003272a80, 0x1, 0x3, 0x200000c0, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0061cfcf8 sp=0xc0061cfc70 pc=0x9f2846 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003272a80, 0x1, 0x3, 0x200000c0, 0x18, 0x0, 0x0, 0x0, 0x14d2aa8, 0xc025e36c60) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0061cfd58 sp=0xc0061cfcf8 pc=0x9f2438 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc003272a80, 0x2, 0xc003272a80) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0061cfe28 sp=0xc0061cfd58 pc=0x9f1ddc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc003272a80, 0x1493a80, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc0061cff68 sp=0xc0061cfe28 pc=0x9e6b67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003272a80, 0x5660) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc0061cffd0 sp=0xc0061cff68 pc=0x9e5aa2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0061cffd8 sp=0xc0061cffd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe