panic: ptrace status unexpected: got 9, wanted stopped stubStart = 00007fffffff0000 goroutine 941744 [running]: panic(0x151bf00, 0xc0003ec0f0) GOROOT/src/runtime/panic.go:1064 +0x46d fp=0xc0018975e8 sp=0xc001897530 pc=0x43611d gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).dumpAndPanic(0xc001372b40, 0xc000df0060, 0x30) pkg/sentry/platform/ptrace/subprocess.go:329 +0x31a fp=0xc001897738 sp=0xc0018975e8 pc=0x117120a gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).wait(0xc001372b40, 0x0, 0x56fb) pkg/sentry/platform/ptrace/subprocess.go:366 +0x2ea fp=0xc0018977f8 sp=0xc001897738 pc=0x117182a gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).attach(0xc001372b40) pkg/sentry/platform/ptrace/subprocess.go:280 +0x99 fp=0xc001897868 sp=0xc0018977f8 pc=0x1170ae9 gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).newThread(...) pkg/sentry/platform/ptrace/subprocess.go:264 gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).newThread-fm(0xc001897938) pkg/sentry/platform/ptrace/subprocess.go:257 +0xce fp=0xc0018978c0 sp=0xc001897868 pc=0x1178b9e gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*threadPool).lookupOrCreate(0xc0002588c8, 0xc000000aa5, 0xc001897b78, 0xc00051c4c2) pkg/sentry/platform/ptrace/subprocess.go:109 +0x2f5 fp=0xc0018979a8 sp=0xc0018978c0 pc=0x1170395 gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).switchToApp(0xc0002588c0, 0xc0003d4a80, 0x19399e0, 0xc001aac240, 0x0) pkg/sentry/platform/ptrace/subprocess.go:504 +0x21b fp=0xc001897bb8 sp=0xc0018979a8 pc=0x11728bb gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*context).Switch(0xc0003d4a80, 0x19227a0, 0xc0014d2a80, 0x191c9a0, 0xc00191c000, 0x19399e0, 0xc001aac240, 0xffffffff, 0xc001897ed8, 0xba7696, ...) pkg/sentry/platform/ptrace/ptrace.go:102 +0xac fp=0xc001897cb0 sp=0xc001897bb8 pc=0x116e3ec gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0014d2a80, 0x18f3b60, 0x0) pkg/sentry/kernel/task_run.go:264 +0x431 fp=0xc001897ee8 sp=0xc001897cb0 pc=0xba7fa1 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0014d2a80, 0xc30b) pkg/sentry/kernel/task_run.go:93 +0x31d fp=0xc001897fd0 sp=0xc001897ee8 pc=0xba6f1d runtime.goexit() src/runtime/asm_amd64.s:1373 +0x1 fp=0xc001897fd8 sp=0xc001897fd0 pc=0x46b9a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:318 +0x19e