panic: Only permission mask must be set: 306f353431

goroutine 2934909 [running]:
panic(0x10cb560, 0xc020d1a4f0)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0043db820 sp=0xc0043db758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc02144d500, 0x1476ce0, 0xc021812000, 0xc00072c540, 0x1400000000, 0xa, 0x144ab60, 0xc0a3fd14a0, 0xc00072e561)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc0043db878 sp=0xc0043db820 pc=0x845647
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc00020e6e0, 0x1476ce0, 0xc021812000, 0xc00072c540, 0xc0a3fd14a0, 0xc0a3fde561, 0xc0043db928, 0x869559)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc0043db8d8 sp=0xc0043db878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc00034c2d0, 0x1476ce0, 0xc021812000, 0xc0208afb00, 0x5, 0xc0a3fd14a0, 0x0, 0x800e5610001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc0043db938 sp=0xc0043db8d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc00050e1e0, 0x1476ce0, 0xc021812000, 0xc0208afb00, 0x5, 0x0, 0x10001, 0xc01e03e561, 0xc0043dba60, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc0043db9e0 sp=0xc0043db938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc021812000, 0x20000000, 0x40, 0xc3167b0d260ee561, 0x20000040, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc0043dbb00 sp=0xc0043db9e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc021812000, 0xf0, 0x20000000, 0x40, 0xc3167b0d260ee561, 0x20000040, 0x0, 0x0, 0xc000001fa0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0043dbc60 sp=0xc0043dbb00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc021812000, 0xf0, 0x20000000, 0x40, 0xc3167b0d260ee561, 0x20000040, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0043dbce8 sp=0xc0043dbc60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc021812000, 0xf0, 0x20000000, 0x40, 0xc3167b0d260ee561, 0x20000040, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0043dbd48 sp=0xc0043dbce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc021812000, 0x2, 0xc021812000)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0043dbe18 sp=0xc0043dbd48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc021812000, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc0043dbf60 sp=0xc0043dbe18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc021812000, 0x29ef)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0043dbfd0 sp=0xc0043dbf60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0043dbfd8 sp=0xc0043dbfd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe