panic: Only permission mask must be set: 306f333134

goroutine 256449 [running]:
panic(0x10cb560, 0xc00c21e5c0)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00189b820 sp=0xc00189b758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc00c246700, 0x1476ce0, 0xc00c20d500, 0xc0007f2de0, 0x1400000000, 0x4, 0x144ab60, 0xc000e40160, 0xc0007fe8cc)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc00189b878 sp=0xc00189b820 pc=0x845647
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc000192580, 0x1476ce0, 0xc00c20d500, 0xc0007f2de0, 0xc000e40160, 0xc000e4e8cc, 0xc00189b928, 0x869559)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc00189b8d8 sp=0xc00189b878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc0005b1308, 0x1476ce0, 0xc00c20d500, 0xc00c233000, 0x2, 0xc000e40160, 0x0, 0x800e8cc0001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc00189b938 sp=0xc00189b8d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc0004b06a0, 0x1476ce0, 0xc00c20d500, 0xc00c233000, 0x2, 0x0, 0x10001, 0xe8cc, 0xc00189ba60, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc00189b9e0 sp=0xc00189b938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc00c20d500, 0x20000200, 0x40, 0x5ca69e33236ce8cc, 0x20000240, 0x0, 0x0, 0x96bc, 0xc00189bbe4, 0x40000002, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc00189bb00 sp=0xc00189b9e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00c20d500, 0xf0, 0x20000200, 0x40, 0x5ca69e33236ce8cc, 0x20000240, 0x0, 0x0, 0x0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc00189bc60 sp=0xc00189bb00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00c20d500, 0xf0, 0x20000200, 0x40, 0x5ca69e33236ce8cc, 0x20000240, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc00189bce8 sp=0xc00189bc60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00c20d500, 0xf0, 0x20000200, 0x40, 0x5ca69e33236ce8cc, 0x20000240, 0x0, 0x0, 0xc00efab7e0, 0xc00efab740)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc00189bd48 sp=0xc00189bce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00c20d500, 0x2, 0xc00c20d500)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc00189be18 sp=0xc00189bd48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00c20d500, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc00189bf60 sp=0xc00189be18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00c20d500, 0x3470)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc00189bfd0 sp=0xc00189bf60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00189bfd8 sp=0xc00189bfd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe