panic: ptrace get fpregs failed: no such process

Status: closed as invalid on 2018/12/13 15:53
First crash: 2872d, last: 2816d

Sample crash report:
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 Syz repro C repro VM info Assets (help?) Manager Title
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
* Struck through repros no longer work on HEAD.