panic: ptrace status unexpected: got 9, wanted stopped

goroutine 1197660 [running]:
DIAGNOSIS:


Error collecting stacks: failed to run ["/syzkaller/managers/kvm-direct-overlay-host-race/current/image" "-root" "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "-watchdog-action=panic" "-network=none" "-debug" "-platform=ptrace" "-file-access=exclusive" "-overlay" "-network=host" "debug" "-stacks" "ci-gvisor-kvm-direct-overlay-host-race-1"]: signal: segmentation faultgvisor.googlesource.com/gvisor/pkg/sentry/platform/ptrace.(*thread).wait(0xc0022e8d20, 0x0, 0x4ef8)
	pkg/sentry/platform/ptrace/subprocess.go:323 +0x521
gvisor.googlesource.com/gvisor/pkg/sentry/platform/ptrace.(*subprocess).switchToApp(0xc0001ba080, 0xc082416240, 0x1219220, 0xc08a3b65a0, 0x400)
	pkg/sentry/platform/ptrace/subprocess.go:508 +0x68e
gvisor.googlesource.com/gvisor/pkg/sentry/platform/ptrace.(*context).Switch(0xc082416240, 0x12094a0, 0xc0001ba080, 0x1219220, 0xc08a3b65a0, 0x7f90ffffffff, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/platform/ptrace/ptrace.go:102 +0x90
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00281e000, 0x11fb3c0, 0x0)
	pkg/sentry/kernel/task_run.go:205 +0x26b
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc00281e000, 0x79c2)
	pkg/sentry/kernel/task_run.go:91 +0x24c
created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:279 +0x19e