panic: Only permission mask must be set: 306f30

goroutine 943773 [running]:
panic(0x10cb560, 0xc09a3be9a0)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00367d820 sp=0xc00367d758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc000a95180, 0x1476ce0, 0xc005868a80, 0xc0004180c0, 0x1500000000, 0xa, 0x144ab60, 0xc000db4370, 0xc000410200)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc00367d878 sp=0xc00367d820 pc=0x845647
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc000db4000, 0x1476ce0, 0xc005868a80, 0xc0004180c0, 0xc000db4370, 0xc000db0200, 0xc00367d928, 0x869559)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc00367d8d8 sp=0xc00367d878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc000490a50, 0x1476ce0, 0xc005868a80, 0xc09bdd3d00, 0x6, 0xc000db4370, 0x1, 0x80102000001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc00367d938 sp=0xc00367d8d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc0006f81c0, 0x1476ce0, 0xc005868a80, 0xc09bdd3d00, 0x6, 0x1, 0x10001, 0x200, 0xc00367da60, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc00367d9e0 sp=0xc00367d938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc005868a80, 0x20000180, 0x41, 0x200, 0x200001c0, 0x0, 0x0, 0x3891d, 0xc00367dbe4, 0x40000002, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc00367db00 sp=0xc00367d9e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc005868a80, 0xf0, 0x20000180, 0x41, 0x200, 0x200001c0, 0x0, 0x0, 0x0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc00367dc60 sp=0xc00367db00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc005868a80, 0xf0, 0x20000180, 0x41, 0x200, 0x200001c0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc00367dce8 sp=0xc00367dc60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005868a80, 0xf0, 0x20000180, 0x41, 0x200, 0x200001c0, 0x0, 0x0, 0xc097a11120, 0xc097a11080)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc00367dd48 sp=0xc00367dce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005868a80, 0x2, 0xc005868a80)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc00367de18 sp=0xc00367dd48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc005868a80, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc00367df60 sp=0xc00367de18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc005868a80, 0xcb44)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc00367dfd0 sp=0xc00367df60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00367dfd8 sp=0xc00367dfd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe