panic: ptrace get regs failed: no such process (2)

Status: closed as invalid on 2018/12/13 15:53
First crash: 2960d, last: 2815d

Sample crash report:
panic: ptrace get regs failed: no such process

goroutine 20567 [running]:
gvisor.googlesource.com/gvisor/pkg/sentry/platform/ptrace.(*subprocess).switchToApp(0xc00035a700, 0xc000676d80, 0xd2c720, 0xc000a185a0, 0xc000ca7e00)
	pkg/sentry/platform/ptrace/subprocess.go:512 +0x799
gvisor.googlesource.com/gvisor/pkg/sentry/platform/ptrace.(*context).Switch(0xc000676d80, 0xd1e340, 0xc00035a700, 0xd2c720, 0xc000a185a0, 0x7f81ffffffff, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/platform/ptrace/ptrace.go:102 +0x74
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000d0e000, 0xd119c0, 0x0)
	pkg/sentry/kernel/task_run.go:205 +0x348
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc000d0e000, 0xe9)
	pkg/sentry/kernel/task_run.go:91 +0x149
created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:279 +0xfe

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/12/13 10:54 https://gvisor.googlesource.com/gvisor master f484b6d4c2f1 f3d9d594 .config console log report ci-gvisor-ptrace-direct-overlay-host
2018/12/13 09:30 https://gvisor.googlesource.com/gvisor master f484b6d4c2f1 f3d9d594 .config console log report ci-gvisor-ptrace-direct-overlay-host
2018/11/23 05:00 https://gvisor.googlesource.com/gvisor master 8cbca46b6d99 87815d9d .config console log report ci-gvisor-ptrace-direct-overlay-host
2018/11/21 00:19 https://gvisor.googlesource.com/gvisor master 8cbca46b6d99 3dedf116 .config console log report ci-gvisor-ptrace-direct-overlay-host
2018/10/24 11:53 https://gvisor.googlesource.com/gvisor master 8cbca46b6d99 24fa2ad8 .config console log report ci-gvisor-ptrace-direct-overlay-host
2018/08/04 01:23 https://gvisor.googlesource.com/gvisor master 25178ebdf5e8 cc4f6d0a .config console log report ci-gvisor-ptrace-direct-overlay-host
2018/07/21 23:59 https://gvisor.googlesource.com/gvisor master f543ada15005 8cc079c3 .config console log report ci-gvisor-main
* Struck through repros no longer work on HEAD.