panic: Only permission mask must be set: 306f323730 goroutine 1856619 [running]: panic(0x10cb560, 0xc0046f8650) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc002467820 sp=0xc002467758 pc=0x437c65 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc002499880, 0x1476ce0, 0xc0066a7500, 0xc0008b3080, 0x1600000000, 0xc, 0x144ab60, 0xc02f9ac790, 0xc0008b08b8) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc002467878 sp=0xc002467820 pc=0x845647 gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc000f96000, 0x1476ce0, 0xc0066a7500, 0xc0008b3080, 0xc02f9ac790, 0xc02f9a08b8, 0xc002467928, 0x869559) pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc0024678d8 sp=0xc002467878 pc=0x86d349 gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc0008602a0, 0x1476ce0, 0xc0066a7500, 0xc00f720b00, 0x3, 0xc02f9ac790, 0x0, 0x80008b80001, 0x0, 0x0, ...) pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc002467938 sp=0xc0024678d8 pc=0x86e3b0 gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc0001880e0, 0x1476ce0, 0xc0066a7500, 0xc00f720b00, 0x3, 0x0, 0x10001, 0x8b8, 0xc002467a60, 0x0, ...) pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc0024679e0 sp=0xc002467938 pc=0x869289 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc0066a7500, 0x20000880, 0x40, 0xd016b8c978b308b8, 0x200008c0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc002467b00 sp=0xc0024679e0 pc=0xe3ad8e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0066a7500, 0xf0, 0x20000880, 0x40, 0xd016b8c978b308b8, 0x200008c0, 0x0, 0x0, 0xc000001fa0, 0x12d7840, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc002467c60 sp=0xc002467b00 pc=0x9d7cfc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0066a7500, 0xf0, 0x20000880, 0x40, 0xd016b8c978b308b8, 0x200008c0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc002467ce8 sp=0xc002467c60 pc=0x9d8e86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0066a7500, 0xf0, 0x20000880, 0x40, 0xd016b8c978b308b8, 0x200008c0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc002467d48 sp=0xc002467ce8 pc=0x9d8a78 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0066a7500, 0x2, 0xc0066a7500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc002467e18 sp=0xc002467d48 pc=0x9d841c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0066a7500, 0x144a900, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc002467f60 sp=0xc002467e18 pc=0x9cd0ac gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0066a7500, 0xbf70) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc002467fd0 sp=0xc002467f60 pc=0x9cbd2f runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc002467fd8 sp=0xc002467fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:327 +0xfe