panic: Only permission mask must be set: 306f3332

goroutine 4821325 [running]:
panic(0x10cb560, 0xc02faccf10)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0018ef820 sp=0xc0018ef758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc002535c00, 0x1476ce0, 0xc00a2e0000, 0xc0079b4600, 0x1800000000, 0xc, 0x144ab60, 0xc028172fd0, 0xc0079b201a)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc0018ef878 sp=0xc0018ef820 pc=0x845647
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc0058f22c0, 0x1476ce0, 0xc00a2e0000, 0xc0079b4600, 0xc028172fd0, 0xc02817201a, 0xc0018ef928, 0x869559)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc0018ef8d8 sp=0xc0018ef878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc005d48d80, 0x1476ce0, 0xc00a2e0000, 0xc00c6c8f00, 0x3, 0xc028172fd0, 0x0, 0x800201a0001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc0018ef938 sp=0xc0018ef8d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc005bfed60, 0x1476ce0, 0xc00a2e0000, 0xc00c6c8f00, 0x3, 0x0, 0x10001, 0xc0010d201a, 0xc0018efa60, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc0018ef9e0 sp=0xc0018ef938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc00a2e0000, 0x20000000, 0x40, 0xce0fd1c1985b201a, 0x20000040, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc0018efb00 sp=0xc0018ef9e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00a2e0000, 0xf0, 0x20000000, 0x40, 0xce0fd1c1985b201a, 0x20000040, 0x0, 0x0, 0xc000001fa0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0018efc60 sp=0xc0018efb00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00a2e0000, 0xf0, 0x20000000, 0x40, 0xce0fd1c1985b201a, 0x20000040, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0018efce8 sp=0xc0018efc60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00a2e0000, 0xf0, 0x20000000, 0x40, 0xce0fd1c1985b201a, 0x20000040, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0018efd48 sp=0xc0018efce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00a2e0000, 0x2, 0xc00a2e0000)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0018efe18 sp=0xc0018efd48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00a2e0000, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc0018eff60 sp=0xc0018efe18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00a2e0000, 0x870)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0018effd0 sp=0xc0018eff60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0018effd8 sp=0xc0018effd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe