panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 5857936 [running]: panic(0x1227ac0, 0xc0261d4930) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc011ef72a8 sp=0xc011ef71e0 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc011ef72f0 sp=0xc011ef72a8 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0261d8500, 0xc0261d4928, 0x8, 0x8, 0x44, 0x100000000000038, 0x7f6f35429098) pkg/sentry/fsimpl/fuse/request_response.go:54 +0x2b2 fp=0xc011ef7310 sp=0xc011ef72f0 pc=0xf377d2 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0261d8500, 0xc0261d4928, 0x8, 0x8, 0xc0008c8000, 0x0, 0xc011ef73b8) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x49 fp=0xc011ef7358 sp=0xc011ef7310 pc=0xf3c369 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc011ef7480, 0x14bec10, 0xc0261d8500, 0x126b501, 0x1313820) pkg/sentry/fsimpl/fuse/request_response.go:228 +0xb7 fp=0xc011ef73c8 sp=0xc011ef7358 pc=0xf37d97 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc0265c60c0, 0xc011ef7480, 0x1366c01, 0x1313820, 0xc0001a4000) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x9a fp=0xc011ef7408 sp=0xc011ef73c8 pc=0xf2b01a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc025500c00, 0x14c1ad8, 0xc026b0a000, 0xc011ef7480, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:465 +0x106 fp=0xc011ef7448 sp=0xc011ef7408 pc=0xf2d5c6 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc025500c00, 0x14c1ad8, 0xc026b0a000, 0xc025c73ac0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:428 +0x11e fp=0xc011ef74d0 sp=0xc011ef7448 pc=0xf2d2de gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc025500c00, 0x14c1ad8, 0xc026b0a000, 0x14bbe40, 0xc02366d000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:352 +0x40a fp=0xc011ef7718 sp=0xc011ef74d0 pc=0xf2c92a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc025500c00, 0x14c1ad8, 0xc026b0a000, 0x14bbe40, 0xc02366d000, 0x0, 0x1, 0x200000c0, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:257 +0x105 fp=0xc011ef77b8 sp=0xc011ef7718 pc=0xf2c4a5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc025500c00, 0x14c1ad8, 0xc026b0a000, 0x14bbe40, 0xc02366d000, 0x0, 0x1, 0x200000c0, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc011ef7850 sp=0xc011ef77b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc026b0a000, 0xc025500c00, 0x14bbe40, 0xc02366d000, 0x0, 0x1, 0x200000c0, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc011ef79e0 sp=0xc011ef7850 pc=0xe7073b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc026b0a000, 0x4, 0x200000c0, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc011ef7b10 sp=0xc011ef79e0 pc=0xe70025 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc026b0a000, 0x1, 0x4, 0x200000c0, 0x18, 0x0, 0x0, 0x0, 0x0, 0x1318d60, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc011ef7c70 sp=0xc011ef7b10 pc=0x9f171c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc026b0a000, 0x1, 0x4, 0x200000c0, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc011ef7cf8 sp=0xc011ef7c70 pc=0x9f28c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc026b0a000, 0x1, 0x4, 0x200000c0, 0x18, 0x0, 0x0, 0x0, 0x14d2ce8, 0xc023d74480) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc011ef7d58 sp=0xc011ef7cf8 pc=0x9f24b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc026b0a000, 0x2, 0xc026b0a000) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc011ef7e28 sp=0xc011ef7d58 pc=0x9f1e5c D0203 18:40:28.303191 940861 task_signals.go:468] [ 14: 46632] Notified of signal 23 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc026b0a000, 0x1493ca0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc011ef7f68 sp=0xc011ef7e28 pc=0x9e6b87 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc026b0a000, 0xba72) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc011ef7fd0 sp=0xc011ef7f68 pc=0x9e5ac2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc011ef7fd8 sp=0xc011ef7fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0xfe