panic: Only permission mask must be set: 306f353633

goroutine 628176 [running]:
panic(0x10cb560, 0xc014856f60)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0064ff820 sp=0xc0064ff758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc006e4ee00, 0x1476ce0, 0xc020640a80, 0xc000668060, 0x1500000000, 0x6, 0x144ab60, 0xc0039362c0, 0xc000668973)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc0064ff878 sp=0xc0064ff820 pc=0x845647
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc000c6a000, 0x1476ce0, 0xc020640a80, 0xc000668060, 0xc0039362c0, 0xc003938973, 0xc0064ff928, 0x869559)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc0064ff8d8 sp=0xc0064ff878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc000b9e030, 0x1476ce0, 0xc020640a80, 0xc021baa100, 0x7, 0xc0039362c0, 0x0, 0x80089730001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc0064ff938 sp=0xc0064ff8d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc0003180a0, 0x1476ce0, 0xc020640a80, 0xc021baa100, 0x7, 0x0, 0x10001, 0x8973, 0xc0064ffa60, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc0064ff9e0 sp=0xc0064ff938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc020640a80, 0x200039c0, 0x40, 0xb634cc9ea6318973, 0x20003a00, 0x0, 0x0, 0xa230d, 0xc0064ffbe4, 0x40000002, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc0064ffb00 sp=0xc0064ff9e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc020640a80, 0xf0, 0x200039c0, 0x40, 0xb634cc9ea6318973, 0x20003a00, 0x0, 0x0, 0x0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0064ffc60 sp=0xc0064ffb00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc020640a80, 0xf0, 0x200039c0, 0x40, 0xb634cc9ea6318973, 0x20003a00, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0064ffce8 sp=0xc0064ffc60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc020640a80, 0xf0, 0x200039c0, 0x40, 0xb634cc9ea6318973, 0x20003a00, 0x0, 0x0, 0xc008cc9660, 0xc008cc95c0)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0064ffd48 sp=0xc0064ffce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc020640a80, 0x2, 0xc020640a80)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0064ffe18 sp=0xc0064ffd48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc020640a80, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc0064fff60 sp=0xc0064ffe18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc020640a80, 0x7136)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0064fffd0 sp=0xc0064fff60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0064fffd8 sp=0xc0064fffd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe