panic: Only permission mask must be set: 306f353035

goroutine 95629 [running]:
panic(0x10cb560, 0xc086ac4610)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00452f820 sp=0xc00452f758 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc0037a2380, 0x1476ce0, 0xc0037cea80, 0xc000438060, 0x1600000000, 0x2, 0x144ab60, 0xc003c06000, 0xc000439945)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc00452f878 sp=0xc00452f820 pc=0x845647
D1024 17:33:06.210077  606151 task_signals.go:468] [  11:  13] Notified of signal 23
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc000afe2c0, 0x1476ce0, 0xc0037cea80, 0xc000438060, 0xc003c06000, 0xc003c09945, 0xc00452f928, 0x869559)
	pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc00452f8d8 sp=0xc00452f878 pc=0x86d349
gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc00078a318, 0x1476ce0, 0xc0037cea80, 0xc0010d5200, 0x3, 0xc003c06000, 0x0, 0x80099450001, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc00452f938 sp=0xc00452f8d8 pc=0x86e3b0
gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc0005a60a0, 0x1476ce0, 0xc0037cea80, 0xc0010d5200, 0x3, 0x0, 0x10001, 0x9945, 0xc00452fa60, 0x0, ...)
	pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc00452f9e0 sp=0xc00452f938 pc=0x869289
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc0037cea80, 0x20000080, 0x40, 0x1ef3fa6c71369945, 0x200000c0, 0x0, 0x0, 0x964b0, 0xc00452fbe4, 0x40000002, ...)
	pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc00452fb00 sp=0xc00452f9e0 pc=0xe3ad8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0037cea80, 0xf0, 0x20000080, 0x40, 0x1ef3fa6c71369945, 0x200000c0, 0x0, 0x0, 0x0, 0x12d7840, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc00452fc60 sp=0xc00452fb00 pc=0x9d7cfc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0037cea80, 0xf0, 0x20000080, 0x40, 0x1ef3fa6c71369945, 0x200000c0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc00452fce8 sp=0xc00452fc60 pc=0x9d8e86
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0037cea80, 0xf0, 0x20000080, 0x40, 0x1ef3fa6c71369945, 0x200000c0, 0x0, 0x0, 0xc000ce17e0, 0xc000ce1740)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc00452fd48 sp=0xc00452fce8 pc=0x9d8a78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0037cea80, 0x2, 0xc0037cea80)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc00452fe18 sp=0xc00452fd48 pc=0x9d841c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0037cea80, 0x144a900, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc00452ff60 sp=0xc00452fe18 pc=0x9cd0ac
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0037cea80, 0x1159)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc00452ffd0 sp=0xc00452ff60 pc=0x9cbd2f
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00452ffd8 sp=0xc00452ffd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:327 +0xfe