panic: Only permission mask must be set: 306f333235

goroutine 578 [running]:
panic(0x10cb560, 0xc0004b25e0)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000909820 sp=0xc000909758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc0007ad500, 0x1476ce0, 0xc000376a80, 0xc0004ec420, 0x200000000, 0x2, 0x144ab60, 0xc0005e4210, 0xc0004e72d5)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc000909878 sp=0xc000909820 pc=0x845647
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc0005e4000, 0x1476ce0, 0xc000376a80, 0xc0004ec420, 0xc0005e4210, 0xc0005e72d5, 0xc000909928, 0x8695f7)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc0009098d8 sp=0xc000909878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc0001e4108, 0x1476ce0, 0xc000376a80, 0xc000712400, 0x5, 0xc0005e4210, 0x0, 0x80072d50001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc000909938 sp=0xc0009098d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc0001f00a0, 0x1476ce0, 0xc000376a80, 0xc000712400, 0x5, 0x0, 0x10001, 0x72d5, 0x0, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc0009099e0 sp=0xc000909938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc000376a80, 0x20000040, 0x40, 0x6d79adb5d58472d5, 0x0, 0x0, 0x0, 0x7b47a, 0xc000909be4, 0x40000002, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc000909b00 sp=0xc0009099e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000376a80, 0xf0, 0x20000040, 0x40, 0x6d79adb5d58472d5, 0x0, 0x0, 0x0, 0x0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc000909c60 sp=0xc000909b00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000376a80, 0xf0, 0x20000040, 0x40, 0x6d79adb5d58472d5, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc000909ce8 sp=0xc000909c60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000376a80, 0xf0, 0x20000040, 0x40, 0x6d79adb5d58472d5, 0x0, 0x0, 0x0, 0xc000515f68, 0xc00033b770)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000909d48 sp=0xc000909ce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000376a80, 0x2, 0xc000376a80)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000909e18 sp=0xc000909d48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000376a80, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc000909f60 sp=0xc000909e18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000376a80, 0xc)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc000909fd0 sp=0xc000909f60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000909fd8 sp=0xc000909fd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe