panic: Only permission mask must be set: 306f30

goroutine 660206 [running]:
panic(0x188c5c0, 0xc014ed89c0)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc004e1d340 sp=0xc004e1d278 pc=0x43a6c5
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc008886000, 0x1d5a6a0, 0xc007425500, 0xc0008cec00, 0x1600000000, 0x7, 0x1d2dfe0, 0xc00393e000, 0xc000230200)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x19f fp=0xc004e1d398 sp=0xc004e1d340 pc=0xae7c9f
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc000b3a0b0, 0x1d5a6a0, 0xc007425500, 0xc0008cec00, 0xc00393e000, 0xc003930200, 0xc, 0xc007425500)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0x17e fp=0xc004e1d408 sp=0xc004e1d398 pc=0xb2511e
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc00037b620, 0x1d5a6a0, 0xc007425500, 0xc005173700, 0x6, 0xc00393e000, 0x0, 0x80002000001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0x12c fp=0xc004e1d498 sp=0xc004e1d408 pc=0xb26a0c
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc000654480, 0x1d5a6a0, 0xc007425500, 0xc005173700, 0x6, 0x0, 0x10001, 0x7420200, 0xc004e1d618, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x527 fp=0xc004e1d598 sp=0xc004e1d498 pc=0xb1e127
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc007425500, 0x20000340, 0x40, 0x200, 0x20000380, 0x0, 0x0, 0x0, 0x0, 0x1d2d020, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x225 fp=0xc004e1d710 sp=0xc004e1d598 pc=0x1413325
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007425500, 0xf0, 0x20000340, 0x40, 0x200, 0x20000380, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x453 fp=0xc004e1d9b0 sp=0xc004e1d710 pc=0xd69f93
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007425500, 0xf0, 0x20000340, 0x40, 0x200, 0x20000380, 0x0, 0x0, 0xc007425ddf, 0xc007425500)
	pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc004e1da88 sp=0xc004e1d9b0 pc=0xd6b774
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007425500, 0xf0, 0x20000340, 0x40, 0x200, 0x20000380, 0x0, 0x0, 0x47910c, 0x486adf)
	pkg/sentry/kernel/task_syscall.go:198 +0x10f fp=0xc004e1db30 sp=0xc004e1da88 pc=0xd6b06f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc007425500, 0x2, 0xc007425500)
	pkg/sentry/kernel/task_syscall.go:173 +0x214 fp=0xc004e1dca0 sp=0xc004e1db30 pc=0xd6a7f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc007425500, 0x1d2dd80, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0x12c7 fp=0xc004e1ded0 sp=0xc004e1dca0 pc=0xd56887
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007425500, 0x6dec)
	pkg/sentry/kernel/task_run.go:97 +0x393 fp=0xc004e1dfd0 sp=0xc004e1ded0 pc=0xd549b3
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc004e1dfd8 sp=0xc004e1dfd0 pc=0x477541
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0x1a5