116633 2013-05-22 13:22:25 -0700 fourthTier: Race between LLInt->Baseline tier-up and DFG reading Baseline profiling data 2013-05-22 21:18:53 -0700 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) All All RESOLVED FIXED P2 Normal --- 112836 1 fpizlo fpizlo barraclough benjamin ggaren mark.lam mhahnenberg msaboff oliver sam oldest_to_newest 892514 0 fpizlo 2013-05-22 13:22:25 -0700 If a code block has baseline profiling data because it was tiered up from LLInt to Baseline, then the DFG will try to read that additional data. The updates to that data (like incrementing slow-path counters) are racy and that's fine. But the bug is that the *creation* of those data structures that the Baseline JIT uses and the DFG reads is also racy and this is leading to hilarious crashes. 892539 1 202623 fpizlo 2013-05-22 14:20:34 -0700 Created attachment 202623 the patch 892543 2 202623 mhahnenberg 2013-05-22 14:25:18 -0700 Comment on attachment 202623 the patch r=me 892657 3 fpizlo 2013-05-22 21:18:53 -0700 Landed in http://trac.webkit.org/changeset/150563 202623 2013-05-22 14:20:34 -0700 2013-05-22 14:25:18 -0700 the patch blah.patch text/plain 9729 fpizlo SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMTUwNTQxKQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDUzIEBA CisyMDEzLTA1LTIyICBGaWxpcCBQaXpsbyAgPGZwaXpsb0BhcHBsZS5jb20+CisKKyAgICAgICAg Zm91cnRoVGllcjogUmFjZSBiZXR3ZWVuIExMSW50LT5CYXNlbGluZSB0aWVyLXVwIGFuZCBERkcg cmVhZGluZyBCYXNlbGluZSBwcm9maWxpbmcgZGF0YQorICAgICAgICBodHRwczovL2J1Z3Mud2Vi a2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTE2NjMzCisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9C T0RZIChPT1BTISkuCisgICAgICAgIAorICAgICAgICBQcmV2aW91c2x5IHdlIHdvdWxkIGNoZWNr IGlmIHdlIGhhZCBCYXNlbGluZSBKSVQgcHJvZmlsaW5nIGRhdGEgYnkgc2VlaW5nIGlmIHRoZQor ICAgICAgICBhcHByb3ByaWF0ZSB2ZWN0b3Igd2FzIG5vbi1lbXB0eS4gVGhpcyBpcyBob3JyaWJs ZSBpZiB3ZSdyZSBkb2luZyBMTEludC0+QmFzZWxpbmUKKyAgICAgICAgdGllci11cCBhdCB0aGUg c2FtZSB0aW1lLiBUaGlzIHdpbGwgaGFwcGVuIGZvciBjb2RlIHdlIGFyZSBpbmxpbmluZywgaWYg d2UncmUKKyAgICAgICAgZGVjaWRpbmcgdG8gaW5saW5lIGl0IGJlZm9yZSB0aGUgTExJbnQtPkJh c2VsaW5lIHRpZXItdXAgaGFwcGVuZWQgZm9yIHRoYXQgY29kZS4KKyAgICAgICAgCisgICAgICAg IFRoaXMgY2hhbmdlcyB0aGluZ3MgdG8gdGFrZSBhZHZhbnRhZ2Ugb2YgdGhlIGZhY3QgdGhhdCB0 aGUgdmVyeSBsYXN0IHRoaW5nIHRoYXQKKyAgICAgICAgTExJbnQtPkJhc2VsaW5lIHRpZXItdXAg d2lsbCBkbyAoaW4gSklURHJpdmVyLmgpIGlzIHNldEpJVENvZGUoKS4gV2Ugbm93IHByZWNlZGUK KyAgICAgICAgdGhlIGFjdHVhbCB3b3JrIGluIHNldEpJVENvZGUoKSB3aXRoIGEgc3RvcmUtc3Rv cmUgZmVuY2UgdG8gZW5zdXJlIHRoYXQgYWxsCisgICAgICAgIHN0b3JlcyB0byBtb2RpZnkgdGhl IENvZGVCbG9jayBoYXBwZW4gYmVmb3JlIHNldHRpbmcgdGhlIEpJVENvZGUsIGFuZCB3ZSBtb2Rp ZnkKKyAgICAgICAgQ29kZUJsb2NrOjpnZXRKSVRUeXBlKCkgdG8gdXNlIGxvYWQtbG9hZCBmZW5j ZXMgdG8gZW5zdXJlIHRoYXQgaWYgeW91IHNlZQorICAgICAgICBKSVRDb2RlOjpCYXNlbGluZUpJ VCB0aGVuIHlvdSB3aWxsIGFsc28gc2VlIGFsbCBvZiB0aG9zZSB2ZWN0b3JzLiBUaGVuIHRoaXMK KyAgICAgICAgY2hhbmdlcyBhbGwgb2YgdGhlIGNvZGUgdGhhdCBzY3JhcGVzIEJhc2VsaW5lIEpJ VCBwcm9maWxlcyB0byBjaGVjayBpZgorICAgICAgICBnZXRKSVRUeXBlKCkgcmV0dXJucyBKSVRD b2RlOjpCYXNlbGluZUpJVCBpbnN0ZWFkIG9mIGNoZWNraW5nIHZlY3RvciBzaXplcy4KKyAgICAg ICAgCisgICAgICAgIFRoZSBvdXRjb21lIGlzIHRoYXQgZm9yIHRoZSBub24tcmFjeSBjYXNlcyB3 ZSBiZWhhdmUgYXMgd2UgZGlkIGJlZm9yZSAod2UgZmFsbAorICAgICAgICBiYWNrIG9uIExMSW50 IHByb2ZpbGluZyBpZiB0aGUgdGllci11cCBoYXNuJ3QgaGFwcGVuZWQpIGFuZCBmb3IgcmFjeSBj YXNlcyB3ZQorICAgICAgICB1c2UgTExJbnQgcHJvZmlsaW5nIGNvbnNlcnZhdGl2ZWx5LgorICAg ICAgICAKKyAgICAgICAgTm90ZSB0aGF0IGZvciBzb21lIChidXQgbm90IGFsbCEpIG9mIHRoZSBj YXNlcyB3aGVyZSB3ZSBzY3JhcGUgQmFzZWxpbmUgSklUCisgICAgICAgIHByb2ZpbGluZywgd2Ug d291bGQgaGF2ZSBhbnl3YXkgYmVlbiBob2xkaW5nIHRoZSBDb2RlQmxvY2s6Om1fbG9jayBzbyB3 ZSBjYW4gYWxzbworICAgICAgICBmaXggdGhvc2UgY2FzZXMgYnkganVzdCBoYXZpbmcgc2V0SklU Q29kZSBncmFwaCB0aGF0IGxvY2suIFRoaXMgcGF0Y2ggZG9lcyB0aGF0CisgICAgICAgIGFsc28s IG1haW5seSBiZWNhdXNlIGFsdGhvdWdoIHdlIG9ubHkgY2FsbCBzZXRKSVRDb2RlKCkgZnJvbSB0 aGUgbWFpbiB0aHJlYWQsIGluCisgICAgICAgIGdlbmVyYWwgaXQncyBkYW5nZXJvdXMgdG8gaGF2 ZSBhIHBvaW50ZXIgdG8gYSByZWYtY291bnRlZCBvYmplY3QgYmVpbmcgbW9kaWZpZWQKKyAgICAg ICAgaW4gYSByYWN5IHdheS4gU28sIHRoaXMgcGF0Y2gganVzdCBkb2VzIHRoZSBtb3N0IGNvbnNl cnZhdGl2ZSB0aGluZyBwb3NzaWJsZSB0aGF0CisgICAgICAgIGRvZXMgd2UgY2FuIGFmZm9yZCB0 byBkby4KKworICAgICAgICAqIGJ5dGVjb2RlL0NhbGxMaW5rU3RhdHVzLmNwcDoKKyAgICAgICAg KEpTQzo6Q2FsbExpbmtTdGF0dXM6OmNvbXB1dGVGb3IpOgorICAgICAgICAqIGJ5dGVjb2RlL0Nv ZGVCbG9jay5oOgorICAgICAgICAoSlNDOjpDb2RlQmxvY2s6OnNldEpJVENvZGUpOgorICAgICAg ICAoSlNDOjpDb2RlQmxvY2s6OmdldEpJVFR5cGUpOgorICAgICAgICAoSlNDOjpDb2RlQmxvY2s6 Omhhc0Jhc2VsaW5lSklUUHJvZmlsaW5nKToKKyAgICAgICAgKEpTQzo6Q29kZUJsb2NrOjpsaWtl bHlUb1Rha2VTbG93Q2FzZSk6CisgICAgICAgIChKU0M6OkNvZGVCbG9jazo6Y291bGRUYWtlU2xv d0Nhc2UpOgorICAgICAgICAoSlNDOjpDb2RlQmxvY2s6Omxpa2VseVRvVGFrZVNwZWNpYWxGYXN0 Q2FzZSk6CisgICAgICAgIChKU0M6OkNvZGVCbG9jazo6Y291bGRUYWtlU3BlY2lhbEZhc3RDYXNl KToKKyAgICAgICAgKEpTQzo6Q29kZUJsb2NrOjpsaWtlbHlUb1Rha2VEZWVwZXN0U2xvd0Nhc2Up OgorICAgICAgICAoSlNDOjpDb2RlQmxvY2s6Omxpa2VseVRvVGFrZUFueVNsb3dDYXNlKToKKyAg ICAgICAgKiBieXRlY29kZS9HZXRCeUlkU3RhdHVzLmNwcDoKKyAgICAgICAgKEpTQzo6R2V0QnlJ ZFN0YXR1czo6Y29tcHV0ZUZvcik6CisgICAgICAgICogYnl0ZWNvZGUvUHV0QnlJZFN0YXR1cy5j cHA6CisgICAgICAgIChKU0M6OlB1dEJ5SWRTdGF0dXM6OmNvbXB1dGVGb3IpOgorCiAyMDEzLTA1 LTIyICBGaWxpcCBQaXpsbyAgPGZwaXpsb0BhcHBsZS5jb20+CiAKICAgICAgICAgZm91cnRoVGll cjogSXQgc2hvdWxkIGJlIHBvc3NpYmxlIHRvIHVzZSBtb3JlIHRoYW4gb25lIGNvbXBpbGVyIHRo cmVhZApJbmRleDogU291cmNlL0phdmFTY3JpcHRDb3JlL2J5dGVjb2RlL0NhbGxMaW5rU3RhdHVz LmNwcAo9PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvSmF2YVNjcmlwdENvcmUvYnl0ZWNvZGUvQ2FsbExp bmtTdGF0dXMuY3BwCShyZXZpc2lvbiAxNTA1MzUpCisrKyBTb3VyY2UvSmF2YVNjcmlwdENvcmUv Ynl0ZWNvZGUvQ2FsbExpbmtTdGF0dXMuY3BwCSh3b3JraW5nIGNvcHkpCkBAIC0xMDIsNyArMTAy LDcgQEAgQ2FsbExpbmtTdGF0dXMgQ2FsbExpbmtTdGF0dXM6OmNvbXB1dGVGbwogICAgIFVOVVNF RF9QQVJBTShwcm9maWxlZEJsb2NrKTsKICAgICBVTlVTRURfUEFSQU0oYnl0ZWNvZGVJbmRleCk7 CiAjaWYgRU5BQkxFKEpJVCkgJiYgRU5BQkxFKFZBTFVFX1BST0ZJTEVSKQotICAgIGlmICghcHJv ZmlsZWRCbG9jay0+bnVtYmVyT2ZDYWxsTGlua0luZm9zKCkpCisgICAgaWYgKCFwcm9maWxlZEJs b2NrLT5oYXNCYXNlbGluZUpJVFByb2ZpbGluZygpKQogICAgICAgICByZXR1cm4gY29tcHV0ZUZy b21MTEludChwcm9maWxlZEJsb2NrLCBieXRlY29kZUluZGV4KTsKICAgICAKICAgICBpZiAocHJv ZmlsZWRCbG9jay0+Y291bGRUYWtlU2xvd0Nhc2UoYnl0ZWNvZGVJbmRleCkpCkluZGV4OiBTb3Vy Y2UvSmF2YVNjcmlwdENvcmUvYnl0ZWNvZGUvQ29kZUJsb2NrLmgKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL2J5dGVjb2RlL0NvZGVCbG9jay5oCShyZXZpc2lvbiAxNTA1MzUp CisrKyBTb3VyY2UvSmF2YVNjcmlwdENvcmUvYnl0ZWNvZGUvQ29kZUJsb2NrLmgJKHdvcmtpbmcg Y29weSkKQEAgLTI3MCw2ICsyNzAsOCBAQCBjbGFzcyBDb2RlQmxvY2sgOiBwdWJsaWMgVGhyZWFk U2FmZVJlZkNvCiAjaWYgRU5BQkxFKEpJVCkKICAgICAgICAgdm9pZCBzZXRKSVRDb2RlKFBhc3NS ZWZQdHI8SklUQ29kZT4gY29kZSwgTWFjcm9Bc3NlbWJsZXJDb2RlUHRyIGNvZGVXaXRoQXJpdHlD aGVjaykKICAgICAgICAgeworICAgICAgICAgICAgQ29uY3VycmVudEpJVExvY2tlciBsb2NrZXIo bV9sb2NrKTsKKyAgICAgICAgICAgIFdURjo6c3RvcmVTdG9yZUZlbmNlKCk7IC8vIFRoaXMgaXMg cHJvYmFibHkgbm90IG5lZWRlZCBiZWNhdXNlIHRoZSBsb2NrIHdpbGwgYWxzbyBkbyBzb21ldGhp bmcgc2ltaWxhciwgYnV0IGl0J3MgZ29vZCB0byBiZSBwYXJhbm9pZC4KICAgICAgICAgICAgIG1f aml0Q29kZSA9IGNvZGU7CiAgICAgICAgICAgICBtX2ppdENvZGVXaXRoQXJpdHlDaGVjayA9IGNv ZGVXaXRoQXJpdHlDaGVjazsKICNpZiBFTkFCTEUoREZHX0pJVCkKQEAgLTI3OSw3ICsyODEsMTgg QEAgY2xhc3MgQ29kZUJsb2NrIDogcHVibGljIFRocmVhZFNhZmVSZWZDbwogICAgICAgICB9CiAg ICAgICAgIFBhc3NSZWZQdHI8SklUQ29kZT4gZ2V0SklUQ29kZSgpIHsgcmV0dXJuIG1faml0Q29k ZTsgfQogICAgICAgICBNYWNyb0Fzc2VtYmxlckNvZGVQdHIgZ2V0SklUQ29kZVdpdGhBcml0eUNo ZWNrKCkgeyByZXR1cm4gbV9qaXRDb2RlV2l0aEFyaXR5Q2hlY2s7IH0KLSAgICAgICAgSklUQ29k ZTo6SklUVHlwZSBnZXRKSVRUeXBlKCkgY29uc3QgeyByZXR1cm4gSklUQ29kZTo6aml0VHlwZUZv cihtX2ppdENvZGUuZ2V0KCkpOyB9CisgICAgICAgIEpJVENvZGU6OkpJVFR5cGUgZ2V0SklUVHlw ZSgpIGNvbnN0CisgICAgICAgIHsKKyAgICAgICAgICAgIEpJVENvZGUqIGppdENvZGUgPSBtX2pp dENvZGUuZ2V0KCk7CisgICAgICAgICAgICBXVEY6OmxvYWRMb2FkRmVuY2UoKTsKKyAgICAgICAg ICAgIEpJVENvZGU6OkpJVFR5cGUgcmVzdWx0ID0gSklUQ29kZTo6aml0VHlwZUZvcihqaXRDb2Rl KTsKKyAgICAgICAgICAgIFdURjo6bG9hZExvYWRGZW5jZSgpOyAvLyBUaGlzIHByb2JhYmx5IGlz bid0IG5lZWRlZC4gT2ggd2VsbCwgcGFyYW5vaWEgaXMgZ29vZC4KKyAgICAgICAgICAgIHJldHVy biByZXN1bHQ7CisgICAgICAgIH0KKyAgICAgICAgYm9vbCBoYXNCYXNlbGluZUpJVFByb2ZpbGlu ZygpIGNvbnN0CisgICAgICAgIHsKKyAgICAgICAgICAgIHJldHVybiBnZXRKSVRUeXBlKCkgPT0g SklUQ29kZTo6QmFzZWxpbmVKSVQ7CisgICAgICAgIH0KICAgICAgICAgdmlydHVhbCBKU09iamVj dCogY29tcGlsZU9wdGltaXplZChFeGVjU3RhdGUqLCBKU1Njb3BlKiwgQ29tcGlsYXRpb25SZXN1 bHQmLCB1bnNpZ25lZCBieXRlY29kZUluZGV4KSA9IDA7CiAgICAgICAgIHZpcnR1YWwgQ29tcGls YXRpb25SZXN1bHQgcmVwbGFjZVdpdGhEZWZlcnJlZE9wdGltaXplZENvZGUoUGFzc1JlZlB0cjxE Rkc6OlBsYW4+KSA9IDA7CiAgICAgICAgIHZpcnR1YWwgdm9pZCBqZXR0aXNvbigpID0gMDsKQEAg LTQ3NCw3ICs0ODcsNyBAQCBjbGFzcyBDb2RlQmxvY2sgOiBwdWJsaWMgVGhyZWFkU2FmZVJlZkNv CiAgICAgICAgIAogICAgICAgICBib29sIGxpa2VseVRvVGFrZVNsb3dDYXNlKGludCBieXRlY29k ZU9mZnNldCkKICAgICAgICAgewotICAgICAgICAgICAgaWYgKCFudW1iZXJPZlJhcmVDYXNlUHJv ZmlsZXMoKSkKKyAgICAgICAgICAgIGlmICghaGFzQmFzZWxpbmVKSVRQcm9maWxpbmcoKSkKICAg ICAgICAgICAgICAgICByZXR1cm4gZmFsc2U7CiAgICAgICAgICAgICB1bnNpZ25lZCB2YWx1ZSA9 IHJhcmVDYXNlUHJvZmlsZUZvckJ5dGVjb2RlT2Zmc2V0KGJ5dGVjb2RlT2Zmc2V0KS0+bV9jb3Vu dGVyOwogICAgICAgICAgICAgcmV0dXJuIHZhbHVlID49IE9wdGlvbnM6Omxpa2VseVRvVGFrZVNs b3dDYXNlTWluaW11bUNvdW50KCk7CkBAIC00ODIsNyArNDk1LDcgQEAgY2xhc3MgQ29kZUJsb2Nr IDogcHVibGljIFRocmVhZFNhZmVSZWZDbwogICAgICAgICAKICAgICAgICAgYm9vbCBjb3VsZFRh a2VTbG93Q2FzZShpbnQgYnl0ZWNvZGVPZmZzZXQpCiAgICAgICAgIHsKLSAgICAgICAgICAgIGlm ICghbnVtYmVyT2ZSYXJlQ2FzZVByb2ZpbGVzKCkpCisgICAgICAgICAgICBpZiAoIWhhc0Jhc2Vs aW5lSklUUHJvZmlsaW5nKCkpCiAgICAgICAgICAgICAgICAgcmV0dXJuIGZhbHNlOwogICAgICAg ICAgICAgdW5zaWduZWQgdmFsdWUgPSByYXJlQ2FzZVByb2ZpbGVGb3JCeXRlY29kZU9mZnNldChi eXRlY29kZU9mZnNldCktPm1fY291bnRlcjsKICAgICAgICAgICAgIHJldHVybiB2YWx1ZSA+PSBP cHRpb25zOjpjb3VsZFRha2VTbG93Q2FzZU1pbmltdW1Db3VudCgpOwpAQCAtNTA0LDcgKzUxNyw3 IEBAIGNsYXNzIENvZGVCbG9jayA6IHB1YmxpYyBUaHJlYWRTYWZlUmVmQ28KICAgICAgICAgCiAg ICAgICAgIGJvb2wgbGlrZWx5VG9UYWtlU3BlY2lhbEZhc3RDYXNlKGludCBieXRlY29kZU9mZnNl dCkKICAgICAgICAgewotICAgICAgICAgICAgaWYgKCFudW1iZXJPZlJhcmVDYXNlUHJvZmlsZXMo KSkKKyAgICAgICAgICAgIGlmICghaGFzQmFzZWxpbmVKSVRQcm9maWxpbmcoKSkKICAgICAgICAg ICAgICAgICByZXR1cm4gZmFsc2U7CiAgICAgICAgICAgICB1bnNpZ25lZCBzcGVjaWFsRmFzdENh c2VDb3VudCA9IHNwZWNpYWxGYXN0Q2FzZVByb2ZpbGVGb3JCeXRlY29kZU9mZnNldChieXRlY29k ZU9mZnNldCktPm1fY291bnRlcjsKICAgICAgICAgICAgIHJldHVybiBzcGVjaWFsRmFzdENhc2VD b3VudCA+PSBPcHRpb25zOjpsaWtlbHlUb1Rha2VTbG93Q2FzZU1pbmltdW1Db3VudCgpOwpAQCAt NTEyLDcgKzUyNSw3IEBAIGNsYXNzIENvZGVCbG9jayA6IHB1YmxpYyBUaHJlYWRTYWZlUmVmQ28K ICAgICAgICAgCiAgICAgICAgIGJvb2wgY291bGRUYWtlU3BlY2lhbEZhc3RDYXNlKGludCBieXRl Y29kZU9mZnNldCkKICAgICAgICAgewotICAgICAgICAgICAgaWYgKCFudW1iZXJPZlJhcmVDYXNl UHJvZmlsZXMoKSkKKyAgICAgICAgICAgIGlmICghaGFzQmFzZWxpbmVKSVRQcm9maWxpbmcoKSkK ICAgICAgICAgICAgICAgICByZXR1cm4gZmFsc2U7CiAgICAgICAgICAgICB1bnNpZ25lZCBzcGVj aWFsRmFzdENhc2VDb3VudCA9IHNwZWNpYWxGYXN0Q2FzZVByb2ZpbGVGb3JCeXRlY29kZU9mZnNl dChieXRlY29kZU9mZnNldCktPm1fY291bnRlcjsKICAgICAgICAgICAgIHJldHVybiBzcGVjaWFs RmFzdENhc2VDb3VudCA+PSBPcHRpb25zOjpjb3VsZFRha2VTbG93Q2FzZU1pbmltdW1Db3VudCgp OwpAQCAtNTIwLDcgKzUzMyw3IEBAIGNsYXNzIENvZGVCbG9jayA6IHB1YmxpYyBUaHJlYWRTYWZl UmVmQ28KICAgICAgICAgCiAgICAgICAgIGJvb2wgbGlrZWx5VG9UYWtlRGVlcGVzdFNsb3dDYXNl KGludCBieXRlY29kZU9mZnNldCkKICAgICAgICAgewotICAgICAgICAgICAgaWYgKCFudW1iZXJP ZlJhcmVDYXNlUHJvZmlsZXMoKSkKKyAgICAgICAgICAgIGlmICghaGFzQmFzZWxpbmVKSVRQcm9m aWxpbmcoKSkKICAgICAgICAgICAgICAgICByZXR1cm4gZmFsc2U7CiAgICAgICAgICAgICB1bnNp Z25lZCBzbG93Q2FzZUNvdW50ID0gcmFyZUNhc2VQcm9maWxlRm9yQnl0ZWNvZGVPZmZzZXQoYnl0 ZWNvZGVPZmZzZXQpLT5tX2NvdW50ZXI7CiAgICAgICAgICAgICB1bnNpZ25lZCBzcGVjaWFsRmFz dENhc2VDb3VudCA9IHNwZWNpYWxGYXN0Q2FzZVByb2ZpbGVGb3JCeXRlY29kZU9mZnNldChieXRl Y29kZU9mZnNldCktPm1fY291bnRlcjsKQEAgLTUzMCw3ICs1NDMsNyBAQCBjbGFzcyBDb2RlQmxv Y2sgOiBwdWJsaWMgVGhyZWFkU2FmZVJlZkNvCiAgICAgICAgIAogICAgICAgICBib29sIGxpa2Vs eVRvVGFrZUFueVNsb3dDYXNlKGludCBieXRlY29kZU9mZnNldCkKICAgICAgICAgewotICAgICAg ICAgICAgaWYgKCFudW1iZXJPZlJhcmVDYXNlUHJvZmlsZXMoKSkKKyAgICAgICAgICAgIGlmICgh aGFzQmFzZWxpbmVKSVRQcm9maWxpbmcoKSkKICAgICAgICAgICAgICAgICByZXR1cm4gZmFsc2U7 CiAgICAgICAgICAgICB1bnNpZ25lZCBzbG93Q2FzZUNvdW50ID0gcmFyZUNhc2VQcm9maWxlRm9y Qnl0ZWNvZGVPZmZzZXQoYnl0ZWNvZGVPZmZzZXQpLT5tX2NvdW50ZXI7CiAgICAgICAgICAgICB1 bnNpZ25lZCBzcGVjaWFsRmFzdENhc2VDb3VudCA9IHNwZWNpYWxGYXN0Q2FzZVByb2ZpbGVGb3JC eXRlY29kZU9mZnNldChieXRlY29kZU9mZnNldCktPm1fY291bnRlcjsKSW5kZXg6IFNvdXJjZS9K YXZhU2NyaXB0Q29yZS9ieXRlY29kZS9HZXRCeUlkU3RhdHVzLmNwcAo9PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBT b3VyY2UvSmF2YVNjcmlwdENvcmUvYnl0ZWNvZGUvR2V0QnlJZFN0YXR1cy5jcHAJKHJldmlzaW9u IDE1MDUzNSkKKysrIFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9ieXRlY29kZS9HZXRCeUlkU3RhdHVz LmNwcAkod29ya2luZyBjb3B5KQpAQCAtMTEzLDcgKzExMyw3IEBAIEdldEJ5SWRTdGF0dXMgR2V0 QnlJZFN0YXR1czo6Y29tcHV0ZUZvcigKICAgICBVTlVTRURfUEFSQU0oYnl0ZWNvZGVJbmRleCk7 CiAgICAgVU5VU0VEX1BBUkFNKHVpZCk7CiAjaWYgRU5BQkxFKEpJVCkgJiYgRU5BQkxFKFZBTFVF X1BST0ZJTEVSKQotICAgIGlmICghcHJvZmlsZWRCbG9jay0+bnVtYmVyT2ZTdHJ1Y3R1cmVTdHVi SW5mb3MoKSkKKyAgICBpZiAoIXByb2ZpbGVkQmxvY2stPmhhc0Jhc2VsaW5lSklUUHJvZmlsaW5n KCkpCiAgICAgICAgIHJldHVybiBjb21wdXRlRnJvbUxMSW50KHByb2ZpbGVkQmxvY2ssIGJ5dGVj b2RlSW5kZXgsIHVpZCk7CiAgICAgCiAgICAgLy8gRmlyc3QgY2hlY2sgaWYgaXQgbWFrZXMgZWl0 aGVyIGNhbGxzLCBpbiB3aGljaCBjYXNlIHdlIHdhbnQgdG8gYmUgc3VwZXIgY2FyZWZ1bCwgb3IK SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9ieXRlY29kZS9QdXRCeUlkU3RhdHVzLmNwcAo9 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09Ci0tLSBTb3VyY2UvSmF2YVNjcmlwdENvcmUvYnl0ZWNvZGUvUHV0QnlJZFN0YXR1 cy5jcHAJKHJldmlzaW9uIDE1MDUzNSkKKysrIFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9ieXRlY29k ZS9QdXRCeUlkU3RhdHVzLmNwcAkod29ya2luZyBjb3B5KQpAQCAtODksNyArODksNyBAQCBQdXRC eUlkU3RhdHVzIFB1dEJ5SWRTdGF0dXM6OmNvbXB1dGVGb3IoCiAgICAgVU5VU0VEX1BBUkFNKGJ5 dGVjb2RlSW5kZXgpOwogICAgIFVOVVNFRF9QQVJBTSh1aWQpOwogI2lmIEVOQUJMRShKSVQpICYm IEVOQUJMRShWQUxVRV9QUk9GSUxFUikKLSAgICBpZiAoIXByb2ZpbGVkQmxvY2stPm51bWJlck9m U3RydWN0dXJlU3R1YkluZm9zKCkpCisgICAgaWYgKCFwcm9maWxlZEJsb2NrLT5oYXNCYXNlbGlu ZUpJVFByb2ZpbGluZygpKQogICAgICAgICByZXR1cm4gY29tcHV0ZUZyb21MTEludChwcm9maWxl ZEJsb2NrLCBieXRlY29kZUluZGV4LCB1aWQpOwogICAgIAogICAgIGlmIChwcm9maWxlZEJsb2Nr LT5saWtlbHlUb1Rha2VTbG93Q2FzZShieXRlY29kZUluZGV4KSkK