panic: Only permission mask must be set: 306f3234

goroutine 765386 [running]:
panic(0x10cb560, 0xc0062e1100)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc006e49820 sp=0xc006e49758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc00ef4f500, 0x1476ce0, 0xc0095a6a80, 0xc0006527e0, 0x1700000000, 0x6, 0x144ab60, 0xc0081462c0, 0xc000650214)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc006e49878 sp=0xc006e49820 pc=0x845647
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc000240630, 0x1476ce0, 0xc0095a6a80, 0xc0006527e0, 0xc0081462c0, 0xc008140214, 0xc006e49928, 0x869559)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc006e498d8 sp=0xc006e49878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc0001c4b70, 0x1476ce0, 0xc0095a6a80, 0xc0902e7a00, 0x3, 0xc0081462c0, 0x0, 0x80002140001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc006e49938 sp=0xc006e498d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc00021c200, 0x1476ce0, 0xc0095a6a80, 0xc0902e7a00, 0x3, 0x0, 0x10001, 0x214, 0xc006e49a60, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc006e499e0 sp=0xc006e49938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc0095a6a80, 0x200034c0, 0x40, 0x214, 0x20003500, 0x0, 0x0, 0xb895b, 0xc006e49be4, 0x40000002, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc006e49b00 sp=0xc006e499e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0095a6a80, 0xf0, 0x200034c0, 0x40, 0x214, 0x20003500, 0x0, 0x0, 0x0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc006e49c60 sp=0xc006e49b00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0095a6a80, 0xf0, 0x200034c0, 0x40, 0x214, 0x20003500, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc006e49ce8 sp=0xc006e49c60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0095a6a80, 0xf0, 0x200034c0, 0x40, 0x214, 0x20003500, 0x0, 0x0, 0xc0057f7d20, 0xc0057f7c80)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc006e49d48 sp=0xc006e49ce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0095a6a80, 0x2, 0xc0095a6a80)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc006e49e18 sp=0xc006e49d48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0095a6a80, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc006e49f60 sp=0xc006e49e18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0095a6a80, 0x98db)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc006e49fd0 sp=0xc006e49f60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc006e49fd8 sp=0xc006e49fd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe