panic: ptrace status unexpected: got 31, wanted stopped stubStart = 00007fffffff0000 goroutine 2334394 [running]: gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).dumpAndPanic(0xc000c77950, 0xc00091d9c0, 0x31) pkg/sentry/platform/ptrace/subprocess.go:317 +0x2c3 gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).wait(0xc000c77950, 0x0, 0xa954) pkg/sentry/platform/ptrace/subprocess.go:340 +0x1ff gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).syscall(0xc000c77950, 0xc001053b50, 0xc001053ce0, 0x6, 0x6) pkg/sentry/platform/ptrace/subprocess.go:410 +0xb8 gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).syscallIgnoreInterrupt(0xc000c77950, 0xc000c77960, 0x9, 0xc001053ce0, 0x6, 0x6, 0x0, 0xb7f0151b850, 0xc001053d00) pkg/sentry/platform/ptrace/subprocess.go:448 +0xc2 gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).syscall(0xc000980200, 0x9, 0xc001053ce0, 0x6, 0x6, 0x0, 0x0, 0x0) pkg/sentry/platform/ptrace/subprocess.go:582 +0xe8 gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).MapFile(0xc000980200, 0xa00000, 0xebc1a0, 0xc0002d8000, 0xcb96000, 0xcbed000, 0x1, 0xc001053d88, 0x683622) pkg/sentry/platform/ptrace/subprocess.go:591 +0x113 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).mapASLocked(0xc000e80000, 0xc000e807f8, 0x4, 0xa56000, 0xa57000, 0xa56000, 0xa57000, 0x1) pkg/sentry/mm/address_space.go:186 +0x1b3 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc000e80000, 0xec52c0, 0xc000f5a000, 0xa56758, 0x1, 0x7fdc3daa0a30, 0xc000275800, 0x100) pkg/sentry/mm/syscalls.go:69 +0x290 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000f5a000, 0xeaa840, 0x0) pkg/sentry/kernel/task_run.go:255 +0x7e2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000f5a000, 0x761f) pkg/sentry/kernel/task_run.go:91 +0x194 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:300 +0xfe