panic: Only permission mask must be set: 306f323330

goroutine 4727339 [running]:
panic(0x10cb560, 0xc0022ded90)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00ac0d820 sp=0xc00ac0d758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc002233880, 0x1476ce0, 0xc008800a80, 0xc0220ef9e0, 0x1b00000000, 0x4, 0x144ab60, 0xc01ad32000, 0xc0220e8a98)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc00ac0d878 sp=0xc00ac0d820 pc=0x845647
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc0159c6000, 0x1476ce0, 0xc008800a80, 0xc0220ef9e0, 0xc01ad32000, 0xc01ad38a98, 0xc00ac0d928, 0x869559)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc00ac0d8d8 sp=0xc00ac0d878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc0220fea80, 0x1476ce0, 0xc008800a80, 0xc01d64fd00, 0x5, 0xc01ad32000, 0x0, 0x8008a980001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc00ac0d938 sp=0xc00ac0d8d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc021952280, 0x1476ce0, 0xc008800a80, 0xc01d64fd00, 0x5, 0x0, 0x10001, 0xc007c98a98, 0xc00ac0da60, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc00ac0d9e0 sp=0xc00ac0d938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc008800a80, 0x20000000, 0x40, 0x33c69f0699828a98, 0x20000040, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc00ac0db00 sp=0xc00ac0d9e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc008800a80, 0xf0, 0x20000000, 0x40, 0x33c69f0699828a98, 0x20000040, 0x0, 0x0, 0xc000001fa0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc00ac0dc60 sp=0xc00ac0db00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc008800a80, 0xf0, 0x20000000, 0x40, 0x33c69f0699828a98, 0x20000040, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc00ac0dce8 sp=0xc00ac0dc60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc008800a80, 0xf0, 0x20000000, 0x40, 0x33c69f0699828a98, 0x20000040, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc00ac0dd48 sp=0xc00ac0dce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc008800a80, 0x2, 0xc008800a80)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc00ac0de18 sp=0xc00ac0dd48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc008800a80, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc00ac0df60 sp=0xc00ac0de18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc008800a80, 0x60de)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc00ac0dfd0 sp=0xc00ac0df60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00ac0dfd8 sp=0xc00ac0dfd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe