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panic: ptrace status unexpected: got 31, wanted stopped

Status: auto-closed as invalid on 2019/11/13 17:16
Reported-by: syzbot+0b55eb016dfe15a6c429@syzkaller.appspotmail.com
First crash: 2173d, last: 1929d
▶ ▼ Duplicate bugs (1)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
panic: wait failed: the process NUM:LINE exited: 1f (err <nil>) (3) 1 1805d 1805d 26/26 closed as dup on 2019/12/19 22:54

Sample crash report:
panic: ptrace status unexpected: got 31, wanted stopped
stubStart	 = 00007fffffff0000


goroutine 2221261 [running]:
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).dumpAndPanic(0xc000ceeb40, 0xc00184dd80, 0x31)
	pkg/sentry/platform/ptrace/subprocess.go:327 +0x2c3
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).wait(0xc000ceeb40, 0x0, 0xf1af)
	pkg/sentry/platform/ptrace/subprocess.go:350 +0x1ff
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).syscall(0xc000ceeb40, 0xc000983cc8, 0xc001611e68, 0x2, 0x2)
	pkg/sentry/platform/ptrace/subprocess.go:420 +0xb8
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*thread).syscallIgnoreInterrupt(0xc000ceeb40, 0xc000ceeb50, 0xb, 0xc000983e68, 0x2, 0x2, 0x4, 0xc000b72e10, 0xc000b72e10)
	pkg/sentry/platform/ptrace/subprocess.go:458 +0xc2
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).syscall(0xc000143680, 0xb, 0xc000b72e68, 0x2, 0x2, 0x0, 0x0, 0x0)
	pkg/sentry/platform/ptrace/subprocess.go:592 +0xe8
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).Unmap(0xc000143680, 0x0, 0x7fffffff0000)
	pkg/sentry/platform/ptrace/subprocess.go:632 +0x234
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).unmap(0xc000143680)
	pkg/sentry/platform/ptrace/subprocess.go:228 +0x40
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).Release.func1(0xc000143680)
	pkg/sentry/platform/ptrace/subprocess.go:245 +0x2f
created by gvisor.dev/gvisor/pkg/sentry/platform/ptrace.(*subprocess).Release
	pkg/sentry/platform/ptrace/subprocess.go:244 +0x3f

Crashes (70):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/08/15 17:15 https://gvisor.googlesource.com/gvisor master d81d94ac4c90 faeffb00 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/08/15 11:14 https://gvisor.googlesource.com/gvisor master d81d94ac4c90 0d298d6b .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/08/13 12:30 https://gvisor.googlesource.com/gvisor master 9769a8eaa4b3 74d61399 .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/08/12 22:12 https://gvisor.googlesource.com/gvisor master eac690e358e2 8620c2c2 .config console log report ci-gvisor-main
2019/08/03 05:21 https://gvisor.googlesource.com/gvisor master 960a5e5536d5 6affd8e8 .config console log report ci-gvisor-main
2019/07/30 20:38 https://gvisor.googlesource.com/gvisor master e511c0e05f82 7c7ded69 .config console log report ci-gvisor-main
2019/07/23 06:35 https://gvisor.googlesource.com/gvisor master fdac770f31cb 55e0c077 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2019/07/16 00:20 https://gvisor.googlesource.com/gvisor master ab44d145bb98 6732e2c0 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/07/13 20:34 https://gvisor.googlesource.com/gvisor master 9b4d3280e172 e6fb0f13 .config console log report ci-gvisor-main
2019/07/13 18:11 https://gvisor.googlesource.com/gvisor master 9b4d3280e172 e6fb0f13 .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/07/12 16:35 https://gvisor.googlesource.com/gvisor master 2eeca68900ee baa5258a .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/07/11 09:19 https://gvisor.googlesource.com/gvisor master 7581e84cb6b7 ff7bf04c .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/07/10 19:29 https://gvisor.googlesource.com/gvisor master 7581e84cb6b7 f62e1e85 .config console log report ci-gvisor-main
2019/07/10 18:14 https://gvisor.googlesource.com/gvisor master 7581e84cb6b7 f62e1e85 .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/07/09 21:31 https://gvisor.googlesource.com/gvisor master 6db3f8d54c02 f62e1e85 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/07/09 02:37 https://gvisor.googlesource.com/gvisor master 8f9b1ca8e706 f62e1e85 .config console log report ci-gvisor-main
2019/07/03 03:58 https://gvisor.googlesource.com/gvisor master 0aa9418a778b 55565fa0 .config console log report ci-gvisor-main
2019/06/26 01:45 https://gvisor.googlesource.com/gvisor master e98ce4a2c681 0a8d1a96 .config console log report ci-gvisor-main
2019/06/22 16:26 https://gvisor.googlesource.com/gvisor master c1761378a93f 34bf9440 .config console log report ci-gvisor-main
2019/06/21 09:17 https://gvisor.googlesource.com/gvisor master dc36c34a7665 34bf9440 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2019/06/07 10:26 https://gvisor.googlesource.com/gvisor master c933f3eede56 698773cb .config console log report ci-gvisor-main
2019/06/02 02:24 https://gvisor.googlesource.com/gvisor master 3577a4f6910f 53c81ea5 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/05/29 18:34 https://gvisor.googlesource.com/gvisor master ed5793808e9d 5457ef34 .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/05/27 23:43 https://gvisor.googlesource.com/gvisor master ed5793808e9d 6bd61501 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/05/25 07:35 https://gvisor.googlesource.com/gvisor master 6cdec6fadf75 85c57315 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/05/21 12:49 https://gvisor.googlesource.com/gvisor master 80cc2c78e523 40957b81 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2019/05/20 12:58 https://gvisor.googlesource.com/gvisor master 4a842836e560 5a4461b0 .config console log report ci-gvisor-main
2019/05/12 18:10 https://gvisor.googlesource.com/gvisor master 8972e47a2edb e9039493 .config console log report ci-gvisor-main
2019/05/12 14:21 https://gvisor.googlesource.com/gvisor master 8972e47a2edb e9039493 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2019/05/02 21:54 https://gvisor.googlesource.com/gvisor master 2c1c1c991761 e9039493 .config console log report ci-gvisor-main
2019/05/01 11:26 https://gvisor.googlesource.com/gvisor master 2c1c1c991761 20f16bef .config console log report ci-gvisor-main
2019/04/28 03:38 https://gvisor.googlesource.com/gvisor master 66bca6fc2213 b617407b .config console log report ci-gvisor-main
2019/04/27 03:20 https://gvisor.googlesource.com/gvisor master 5f13338d30fb b617407b .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/04/25 04:29 https://gvisor.googlesource.com/gvisor master 962567aafd2e 8e3c52b1 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2019/04/18 15:48 https://gvisor.googlesource.com/gvisor master b52cbd602803 b0e8efcb .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/04/16 15:58 https://gvisor.googlesource.com/gvisor master e8156667179c c402d8f1 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/04/15 16:20 https://gvisor.googlesource.com/gvisor master 546a1df7d15f c402d8f1 .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/04/13 03:24 https://gvisor.googlesource.com/gvisor master 546a1df7d15f c402d8f1 .config console log report ci-gvisor-main
2019/04/13 02:44 https://gvisor.googlesource.com/gvisor master 546a1df7d15f c402d8f1 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/04/12 16:38 https://gvisor.googlesource.com/gvisor master 546a1df7d15f 4f421599 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/04/11 12:35 https://gvisor.googlesource.com/gvisor master 4209edafb6a9 e955ac50 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/04/10 17:28 https://gvisor.googlesource.com/gvisor master 0e14e48b84fd e955ac50 .config console log report ci-gvisor-main
2019/04/09 04:59 https://gvisor.googlesource.com/gvisor master fbe7ba466193 995065ff .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2019/04/07 16:32 https://gvisor.googlesource.com/gvisor master 124bafc81c72 c34fde03 .config console log report ci-gvisor-main
2019/03/30 10:37 https://gvisor.googlesource.com/gvisor master a046054ba35e babbf71b .config console log report ci-gvisor-main
2019/03/25 13:44 https://gvisor.googlesource.com/gvisor master cea1dd7d21b9 a2cef203 .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/03/12 05:39 https://gvisor.googlesource.com/gvisor master bc9b979b9412 12365b99 .config console log report ci-gvisor-main
2019/03/09 09:17 https://gvisor.googlesource.com/gvisor master 832589cb076a 12365b99 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2019/03/09 03:07 https://gvisor.googlesource.com/gvisor master 832589cb076a 12365b99 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/03/07 23:36 https://gvisor.googlesource.com/gvisor master fbacb3503916 8c085c5e .config console log report ci-gvisor-main
2019/03/05 14:58 https://gvisor.googlesource.com/gvisor master dcb634ce73f5 c55829ae .config console log report ci-gvisor-main
2019/03/04 13:48 https://gvisor.googlesource.com/gvisor master d811c1016d09 1c0e457a .config console log report ci-gvisor-main
2019/03/01 03:01 https://gvisor.googlesource.com/gvisor master 383078688353 34ec456b .config console log report ci-gvisor-main
2019/02/28 13:14 https://gvisor.googlesource.com/gvisor master 121db29a93c6 34ec456b .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/02/27 15:45 https://gvisor.googlesource.com/gvisor master cff2c57192cc 083cfd0e .config console log report ci-gvisor-kvm-direct-overlay-host-race
2019/02/27 09:30 https://gvisor.googlesource.com/gvisor master cff2c57192cc 083cfd0e .config console log report ci-gvisor-main
2019/02/23 19:00 https://gvisor.googlesource.com/gvisor master b75aa5150443 18107ce0 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/02/23 18:41 https://gvisor.googlesource.com/gvisor master b75aa5150443 18107ce0 .config console log report ci-gvisor-main
2019/02/22 21:13 https://gvisor.googlesource.com/gvisor master 532f4b2fbaf6 baad4d36 .config console log report ci-gvisor-main
2019/02/18 04:29 https://gvisor.googlesource.com/gvisor master c611dbc5a739 59f36113 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/01/30 07:24 https://gvisor.googlesource.com/gvisor master 3c5f8dfd4b0a aa432daf .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2019/01/29 21:27 https://gvisor.googlesource.com/gvisor master 24cb2c0a7256 aa432daf .config console log report ci-gvisor-main
2019/01/21 14:34 https://gvisor.googlesource.com/gvisor master c1be25b78d89 badbbeee .config console log report ci-gvisor-main
2019/01/19 09:39 https://gvisor.googlesource.com/gvisor master c0a981629cf4 2103a236 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/01/18 01:23 https://gvisor.googlesource.com/gvisor master 12bc7834dccd 5bf17c30 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/01/06 19:45 https://gvisor.googlesource.com/gvisor master 4a4cc7dc3794 94f8adb5 .config console log report ci-gvisor-ptrace-direct-overlay-host
2019/01/01 06:20 https://gvisor.googlesource.com/gvisor master a891afad6d7e 3d85f48c .config console log report ci-gvisor-main
2018/12/19 08:24 https://gvisor.googlesource.com/gvisor master 898838e34d1b 4edaba93 .config console log report ci-gvisor-main
2018/12/14 20:19 https://gvisor.googlesource.com/gvisor master cd1e9a3fd42f 7624ddd6 .config console log report ci-gvisor-ptrace-direct-overlay-host
* Struck through repros no longer work on HEAD.