panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 3095295 [running]: panic(0x1227980, 0xc0166fe210) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000d5f2a8 sp=0xc000d5f1e0 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc000d5f2f0 sp=0xc000d5f2a8 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0074544b0, 0xc0166fe208, 0x8, 0x8, 0x8913d0bb, 0x100000000000038, 0x3f949d70a398) pkg/sentry/fsimpl/fuse/request_response.go:54 +0x2b2 fp=0xc000d5f310 sp=0xc000d5f2f0 pc=0xf37552 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0074544b0, 0xc0166fe208, 0x8, 0x8, 0xc000606400, 0x0, 0xc000d5f3b8) bazel-out/k8-fastbuild-ST-4c64f0b3d5c7/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x49 fp=0xc000d5f358 sp=0xc000d5f310 pc=0xf3c0e9 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc000d5f480, 0x14be950, 0xc0074544b0, 0x126b401, 0x13136a0) pkg/sentry/fsimpl/fuse/request_response.go:228 +0xb7 fp=0xc000d5f3c8 sp=0xc000d5f358 pc=0xf37b17 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc10e7acd20, 0xc000d5f480, 0x1366b01, 0x13136a0, 0xc00025f180) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x9a fp=0xc000d5f408 sp=0xc000d5f3c8 pc=0xf2ae5a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc006aa0200, 0x14c1818, 0xc00811d500, 0xc000d5f480, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:453 +0x106 fp=0xc000d5f448 sp=0xc000d5f408 pc=0xf2d346 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc006aa0200, 0x14c1818, 0xc00811d500, 0xc0070384c0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:416 +0x11e fp=0xc000d5f4d0 sp=0xc000d5f448 pc=0xf2d05e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc006aa0200, 0x14c1818, 0xc00811d500, 0x14bbb80, 0xc007a5f000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0x40a fp=0xc000d5f718 sp=0xc000d5f4d0 pc=0xf2c6aa gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc006aa0200, 0x14c1818, 0xc00811d500, 0x14bbb80, 0xc007a5f000, 0x0, 0x1, 0x20000000, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:247 +0x105 fp=0xc000d5f7b8 sp=0xc000d5f718 pc=0xf2c225 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc006aa0200, 0x14c1818, 0xc00811d500, 0x14bbb80, 0xc007a5f000, 0x0, 0x1, 0x20000000, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc000d5f850 sp=0xc000d5f7b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00811d500, 0xc006aa0200, 0x14bbb80, 0xc007a5f000, 0x0, 0x1, 0x20000000, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc000d5f9e0 sp=0xc000d5f850 pc=0xe7087b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00811d500, 0x3, 0x20000000, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc000d5fb10 sp=0xc000d5f9e0 pc=0xe70165 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00811d500, 0x1, 0x3, 0x20000000, 0x18, 0x0, 0x0, 0x0, 0xc000001fa0, 0x1318be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc000d5fc70 sp=0xc000d5fb10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00811d500, 0x1, 0x3, 0x20000000, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc000d5fcf8 sp=0xc000d5fc70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00811d500, 0x1, 0x3, 0x20000000, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000d5fd58 sp=0xc000d5fcf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00811d500, 0x2, 0xc00811d500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000d5fe28 sp=0xc000d5fd58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00811d500, 0x1493a00, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc000d5ff68 sp=0xc000d5fe28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00811d500, 0x9938) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc000d5ffd0 sp=0xc000d5ff68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000d5ffd8 sp=0xc000d5ffd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe