panic: Only permission mask must be set: 306f333630

goroutine 417647 [running]:
panic(0x10cb560, 0xc00fd06780)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc005e1f820 sp=0xc005e1f758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc002df8380, 0x1476ce0, 0xc003e46a80, 0xc0004b7f20, 0x1400000000, 0x7, 0x144ab60, 0xc005e32160, 0xc0004bcaf0)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc005e1f878 sp=0xc005e1f820 pc=0x845647
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc000210630, 0x1476ce0, 0xc003e46a80, 0xc0004b7f20, 0xc005e32160, 0xc005e3caf0, 0xc005e1f928, 0x869559)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc005e1f8d8 sp=0xc005e1f878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc000498378, 0x1476ce0, 0xc003e46a80, 0xc017b29900, 0xc, 0xc005e32160, 0x0, 0x800caf00001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc005e1f938 sp=0xc005e1f8d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc0003e0160, 0x1476ce0, 0xc003e46a80, 0xc017b29900, 0xc, 0x0, 0x10001, 0xcaf0, 0xc005e1fa60, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc005e1f9e0 sp=0xc005e1f938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc003e46a80, 0x20001c80, 0x40, 0xb646ca30445ccaf0, 0x20001cc0, 0x0, 0x0, 0x9eb2a, 0xc005e1fbe4, 0x40000002, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc005e1fb00 sp=0xc005e1f9e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003e46a80, 0xf0, 0x20001c80, 0x40, 0xb646ca30445ccaf0, 0x20001cc0, 0x0, 0x0, 0x0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc005e1fc60 sp=0xc005e1fb00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003e46a80, 0xf0, 0x20001c80, 0x40, 0xb646ca30445ccaf0, 0x20001cc0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc005e1fce8 sp=0xc005e1fc60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003e46a80, 0xf0, 0x20001c80, 0x40, 0xb646ca30445ccaf0, 0x20001cc0, 0x0, 0x0, 0xc00200f5a0, 0xc00200f500)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc005e1fd48 sp=0xc005e1fce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc003e46a80, 0x2, 0xc003e46a80)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc005e1fe18 sp=0xc005e1fd48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc003e46a80, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc005e1ff60 sp=0xc005e1fe18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003e46a80, 0x5145)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc005e1ffd0 sp=0xc005e1ff60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc005e1ffd8 sp=0xc005e1ffd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe