panic: runtime error: slice bounds out of range [15:1] goroutine 1834907 [running]: panic(0x133dc20, 0xc0067fe288) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000a155a0 sp=0xc000a154d8 pc=0x437c65 runtime.goPanicSliceB(0xf, 0x1) GOROOT/src/runtime/panic.go:116 +0xa5 fp=0xc000a155e8 sp=0xc000a155a0 pc=0x435445 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc000448900, 0x1606298, 0xc0037f3500, 0x16007a0, 0xc004148000, 0x0, 0x1, 0x2000030e, 0x120, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:364 +0xac5 fp=0xc000a157c0 sp=0xc000a155e8 pc=0x1038a45 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc000448900, 0x1606298, 0xc0037f3500, 0x16007a0, 0xc004148000, 0x0, 0x1, 0x20000300, 0x12e, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:294 +0x10a fp=0xc000a15860 sp=0xc000a157c0 pc=0x1037f0a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000448900, 0x1606298, 0xc0037f3500, 0x16007a0, 0xc004148000, 0x0, 0x1, 0x20000300, 0x12e, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc000a158f8 sp=0xc000a15860 pc=0x788ca3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0037f3500, 0xc000448900, 0x16007a0, 0xc004148000, 0x0, 0x1, 0x20000300, 0x12e, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc000a15a88 sp=0xc000a158f8 pc=0xf707a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0037f3500, 0x4, 0x20000300, 0x12e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc000a15bb8 sp=0xc000a15a88 pc=0xf6ffb3 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0037f3500, 0x1, 0x4, 0x20000300, 0x12e, 0x0, 0x0, 0x0, 0x0, 0x142f0c0, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc000a15c78 sp=0xc000a15bb8 pc=0xa848f9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0037f3500, 0x1, 0x4, 0x20000300, 0x12e, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc000a15d00 sp=0xc000a15c78 pc=0xa85bd0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0037f3500, 0x1, 0x4, 0x20000300, 0x12e, 0x0, 0x0, 0x0, 0xc01701f2b0, 0x16174a8) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc000a15d60 sp=0xc000a15d00 pc=0xa856b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0037f3500, 0x2, 0xc0037f3500) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc000a15e30 sp=0xc000a15d60 pc=0xa84f98 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0037f3500, 0x15d88a0, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc000a15f68 sp=0xc000a15e30 pc=0xa77eba gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0037f3500, 0xac46) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc000a15fd0 sp=0xc000a15f68 pc=0xa76c79 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000a15fd8 sp=0xc000a15fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116