panic: ptrace get fpregs failed: no such process

panic: ptrace get fpregs failed: no such process

goroutine 15118 [running]:
gvisor.googlesource.com/gvisor/pkg/sentry/platform/ptrace.(*subprocess).switchToApp(0xc000566300, 0xc000f94180, 0x120bbe0, 0xc0002a2d80, 0xd00)
	pkg/sentry/platform/ptrace/subprocess.go:515 +0xc24
gvisor.googlesource.com/gvisor/pkg/sentry/platform/ptrace.(*context).Switch(0xc000f94180, 0x11fbea0, 0xc000566300, 0x120bbe0, 0xc0002a2d80, 0x7ff0ffffffff, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/platform/ptrace/ptrace.go:102 +0x90
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000ca6000, 0x11edd80, 0x0)
	pkg/sentry/kernel/task_run.go:205 +0x26b
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc000ca6000, 0x720)
	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

Crashes (5):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Manager
2018/12/13 11:40	https://gvisor.googlesource.com/gvisor master	f484b6d4c2f1	ecf8ceee	.config	console log	report	ci-gvisor-kvm-direct-overlay-host-race
2018/12/12 09:46	https://gvisor.googlesource.com/gvisor master	a2c868a098fc	c3b10a5d	.config	console log	report	ci-gvisor-ptrace-direct-overlay-host
2018/11/20 07:02	https://gvisor.googlesource.com/gvisor master	8cbca46b6d99	9bc2a903	.config	console log	report	ci-gvisor-ptrace-direct-overlay-host
2018/10/18 22:39	https://gvisor.googlesource.com/gvisor master	8cbca46b6d99	9aba67b5	.config	console log	report	ci-gvisor-ptrace-direct-overlay-host
2018/10/18 11:12	https://gvisor.googlesource.com/gvisor master	8cbca46b6d99	d257b2d2	.config	console log	report	ci-gvisor-ptrace-direct-overlay-host

Crashes (5):

Time

Assets (help?)