panic: Only permission mask must be set: 306f363634 goroutine 278220 [running]: panic(0x10cb560, 0xc0055727d0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0023b3820 sp=0xc0023b3758 pc=0x437c65 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFile).Init(0xc001fce000, 0x1476ce0, 0xc007abd500, 0xc0008d0780, 0x1700000000, 0x8, 0x144ab60, 0xc001de82c0, 0xc0008d53b4) pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:55 +0x167 fp=0xc0023b3878 sp=0xc0023b3820 pc=0x845647 gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*filesystem).newQueueInode(0xc0005be000, 0x1476ce0, 0xc007abd500, 0xc0008d0780, 0xc001de82c0, 0xc001de53b4, 0xc0023b3928, 0x869559) pkg/sentry/fsimpl/mqfs/queue.go:44 +0xc9 fp=0xc0023b38d8 sp=0xc0023b3878 pc=0x86d349 D1025 21:34:45.786614 168832 task_signals.go:479] [ 10: 15] No task notified of signal 23 gvisor.dev/gvisor/pkg/sentry/fsimpl/mqfs.(*RegistryImpl).New(0xc00002a3a8, 0x1476ce0, 0xc007abd500, 0xc008c51500, 0x1, 0xc001de82c0, 0x0, 0x80053b40001, 0x0, 0x0, ...) pkg/sentry/fsimpl/mqfs/registry.go:107 +0xb0 fp=0xc0023b3938 sp=0xc0023b38d8 pc=0x86e3b0 gvisor.dev/gvisor/pkg/sentry/kernel/mq.(*Registry).FindOrCreate(0xc000196300, 0x1476ce0, 0xc007abd500, 0xc008c51500, 0x1, 0x0, 0x10001, 0x53b4, 0xc0023b3a60, 0x0, ...) pkg/sentry/kernel/mq/mq.go:189 +0x469 fp=0xc0023b39e0 sp=0xc0023b3938 pc=0x869289 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.MqOpen(0xc007abd500, 0x20000000, 0x40, 0x4c4827214fe353b4, 0x20000040, 0x0, 0x0, 0x308d8, 0xc0023b3be4, 0x40000002, ...) pkg/sentry/syscalls/linux/vfs2/mq.go:56 +0x1ce fp=0xc0023b3b00 sp=0xc0023b39e0 pc=0xe3ad8e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007abd500, 0xf0, 0x20000000, 0x40, 0x4c4827214fe353b4, 0x20000040, 0x0, 0x0, 0x0, 0x12d7840, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0023b3c60 sp=0xc0023b3b00 pc=0x9d7cfc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007abd500, 0xf0, 0x20000000, 0x40, 0x4c4827214fe353b4, 0x20000040, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0023b3ce8 sp=0xc0023b3c60 pc=0x9d8e86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007abd500, 0xf0, 0x20000000, 0x40, 0x4c4827214fe353b4, 0x20000040, 0x0, 0x0, 0xc0036e6e20, 0xc0036e6d80) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0023b3d48 sp=0xc0023b3ce8 pc=0x9d8a78 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc007abd500, 0x2, 0xc007abd500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0023b3e18 sp=0xc0023b3d48 pc=0x9d841c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc007abd500, 0x144a900, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc0023b3f60 sp=0xc0023b3e18 pc=0x9cd0ac gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007abd500, 0x2f76) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0023b3fd0 sp=0xc0023b3f60 pc=0x9cbd2f runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0023b3fd8 sp=0xc0023b3fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:327 +0xfe