panic: runtime error: slice bounds out of range [9:7]

goroutine 2426830 [running]:
panic(0x1227ac0, 0xc0a8db30b0)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00479f488 sp=0xc00479f3c0 pc=0x437c65
runtime.goPanicSliceB(0x9, 0x7)
	GOROOT/src/runtime/panic.go:116 +0xa5 fp=0xc00479f4d0 sp=0xc00479f488 pc=0x435445
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc01029ad00, 0x14c1ad8, 0xc00fdbd500, 0x14bbe40, 0xc01090e000, 0x0, 0x1, 0x20000242, 0x4e, 0x100, ...)
	pkg/sentry/fsimpl/fuse/dev.go:312 +0xa58 fp=0xc00479f718 sp=0xc00479f4d0 pc=0xf2cf78
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc01029ad00, 0x14c1ad8, 0xc00fdbd500, 0x14bbe40, 0xc01090e000, 0x0, 0x1, 0x20000240, 0x50, 0x100, ...)
	pkg/sentry/fsimpl/fuse/dev.go:257 +0x105 fp=0xc00479f7b8 sp=0xc00479f718 pc=0xf2c4a5
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc01029ad00, 0x14c1ad8, 0xc00fdbd500, 0x14bbe40, 0xc01090e000, 0x0, 0x1, 0x20000240, 0x50, 0x100, ...)
	pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc00479f850 sp=0xc00479f7b8 pc=0x756cf4
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00fdbd500, 0xc01029ad00, 0x14bbe40, 0xc01090e000, 0x0, 0x1, 0x20000240, 0x50, 0x100, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc00479f9e0 sp=0xc00479f850 pc=0xe7073b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00fdbd500, 0x3, 0x20000240, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc00479fb10 sp=0xc00479f9e0 pc=0xe70025
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00fdbd500, 0x1, 0x3, 0x20000240, 0x50, 0x3, 0x0, 0x0, 0x0, 0x1318d60, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc00479fc70 sp=0xc00479fb10 pc=0x9f171c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00fdbd500, 0x1, 0x3, 0x20000240, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc00479fcf8 sp=0xc00479fc70 pc=0x9f28c6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00fdbd500, 0x1, 0x3, 0x20000240, 0x50, 0x3, 0x0, 0x0, 0x14d2ce8, 0xc00fd8e480)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc00479fd58 sp=0xc00479fcf8 pc=0x9f24b8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00fdbd500, 0x2, 0xc00fdbd500)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc00479fe28 sp=0xc00479fd58 pc=0x9f1e5c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00fdbd500, 0x1493ca0, 0x0)
	pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc00479ff68 sp=0xc00479fe28 pc=0x9e6b87
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00fdbd500, 0xe6ec)
	pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc00479ffd0 sp=0xc00479ff68 pc=0x9e5ac2
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00479ffd8 sp=0xc00479ffd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:339 +0xfe