223793 2021-03-26 03:45:49 -0700 Nullptr crash in RTCRtpSFrameTransform::createStreams 2021-04-27 02:41:10 -0700 1 1 1 Unclassified WebKit WebRTC WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 rniwa rbuis bfulgham cdumez cgarcia darin ews-feeder fred.wang ggaren gpoo product-security rbuis svillar webkit-bug-importer youennf oldest_to_newest 1744136 0 rniwa 2021-03-26 03:45:49 -0700 <script> onload = () => { let writer = new SFrameTransform().writable.getWriter(); new AudioContext().audioWorklet.addModule('a').catch(() => { writer.write(); }); }; </script> results in the following crash under ASAN: ==28057==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000038 (pc 0x0006404c3a11 bp 0x7ffeec079390 sp 0x7ffeec079390 T0) #0 0x6404c3a11 in JSC::JSGlobalObject::vm() const+0x21 (/Volumes/Data/safari-6/OpenSource/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore:x86_64+0xe9a11) #1 0x642ca44bf in WebCore::ExceptionOr<void> WebCore::RTCRtpSFrameTransform::createStreams(JSC::JSGlobalObject&)::$_1::operator()<WebCore::ScriptExecutionContext, JSC::JSValue>(WebCore::ScriptExecutionContext&, JSC::JSValue) const+0x10f (/Volumes/Data/safari-6/OpenSource/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore:x86_64+0x28ca4bf) #2 0x642ca4243 in WTF::Detail::CallableWrapper<WebCore::RTCRtpSFrameTransform::createStreams(JSC::JSGlobalObject&)::$_1, WebCore::ExceptionOr<void>, WebCore::ScriptExecutionContext&, JSC::JSValue>::call(WebCore::ScriptExecutionContext&, JSC::JSValue)+0x113 (/Volumes/Data/safari-6/OpenSource/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore:x86_64+0x28ca243) #3 0x642c913c8 in WTF::Function<WebCore::ExceptionOr<void> (WebCore::ScriptExecutionContext&, JSC::JSValue)>::operator()(WebCore::ScriptExecutionContext&, JSC::JSValue) const+0x148 (/Volumes/Data/safari-6/OpenSource/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore:x86_64+0x28b73c8) <rdar://74859450> 1744137 1 rniwa 2021-03-26 03:46:57 -0700 I can reproduce this crash with ASAN build of WebKitTestRunner at r274459 and r274986 but not with DumpRenderTree. 1744229 2 darin 2021-03-26 10:24:08 -0700 Seems like this might be the incorrect line of code in RTCRtpSFrameTransform::createStreams: auto& globalObject = *JSC::jsCast<JSDOMGlobalObject*>(context.globalObject()); What guarantees globalObject can’t be null? 1744484 3 rniwa 2021-03-27 04:03:15 -0700 Yeah, I think this is yet another example of code where after navigating away from a document, we'd end up executing a promise for the previous page. At that point, document is no longer associated with a frame so ScriptExecutionContext::globalObject() will return nullptr. It is very odd that we're running a script in a document that had already been navigated away though (WebContent crashes after navigating to about:blank where we try to run the write.write() in the lambda. 1754280 4 427068 rbuis 2021-04-26 11:36:44 -0700 Created attachment 427068 Patch 1754350 5 427068 youennf 2021-04-26 13:37:09 -0700 Comment on attachment 427068 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=427068&action=review > LayoutTests/ChangeLog:8 > + Add test for this. Not needed 1754355 6 427068 rbuis 2021-04-26 13:55:01 -0700 Comment on attachment 427068 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=427068&action=review >> LayoutTests/ChangeLog:8 >> + Add test for this. > > Not needed The test or the text? 1754360 7 youennf 2021-04-26 13:57:49 -0700 The text, test is good :) 1754501 8 427122 rbuis 2021-04-26 23:13:19 -0700 Created attachment 427122 Patch 1754524 9 ews-feeder 2021-04-27 00:42:56 -0700 Committed r276631 (237059@main): <https://commits.webkit.org/237059@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 427122. 427068 2021-04-26 11:36:44 -0700 2021-04-26 23:13:14 -0700 Patch bug-223793-20210426203642.patch text/plain 3465 rbuis U3VidmVyc2lvbiBSZXZpc2lvbjogMjc2NTgxCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggOTEyNGRjNzkwZTI4MWY4 YTNhYTBjMjA3ZDA3YzJiMjQ4N2I2YjJmMi4uNTIwNjA1NjAwM2EzOGU4ODFhYzBhNzFmMWMwYzEz N2MxYmIzYWI5ZSAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE4IEBACisyMDIxLTA0LTI2ICBSb2Ig QnVpcyAgPHJidWlzQGlnYWxpYS5jb20+CisKKyAgICAgICAgQ2hlY2sgZ2xvYmFsT2JqZWN0IGZv ciBudWxsCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0y MjM3OTMKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBD aGVjayBnbG9iYWxPYmplY3QgZm9yIG51bGwgaW4gUlRDUnRwU0ZyYW1lVHJhbnNmb3JtOjpjcmVh dGVTdHJlYW1zCisgICAgICAgIGJlZm9yZSBkZWZlcmVuY2luZy4KKworICAgICAgICBUZXN0OiBo dHRwL3Rlc3RzL3dlYnJ0Yy9zZnJhbWUtdHJhbnNmb3JtLXdyaXRlLmh0bWwKKworICAgICAgICAq IE1vZHVsZXMvbWVkaWFzdHJlYW0vUlRDUnRwU0ZyYW1lVHJhbnNmb3JtLmNwcDoKKyAgICAgICAg KFdlYkNvcmU6OlJUQ1J0cFNGcmFtZVRyYW5zZm9ybTo6Y3JlYXRlU3RyZWFtcyk6CisKIDIwMjEt MDQtMjUgIENoYW5nU2VvayBPaCAgPGNoYW5nc2Vva0B3ZWJraXQub3JnPgogCiAgICAgICAgIEZp eCBhIGNyYXNoIGNhdXNlZCBieSBBVklGIGRlY29kaW5nIGZhaWx1cmUKZGlmZiAtLWdpdCBhL1Nv dXJjZS9XZWJDb3JlL01vZHVsZXMvbWVkaWFzdHJlYW0vUlRDUnRwU0ZyYW1lVHJhbnNmb3JtLmNw cCBiL1NvdXJjZS9XZWJDb3JlL01vZHVsZXMvbWVkaWFzdHJlYW0vUlRDUnRwU0ZyYW1lVHJhbnNm b3JtLmNwcAppbmRleCA4YThiZDFiOTY4NzU3NWY4MTY2NTc0ZWY3NDkxMmUxMDhmZWIyNDA3Li4y YzY3M2ZmNGVlYWUzNjE1ODE3NjI2MTFkYTZjNjFmN2UxNjU1NDgwIDEwMDY0NAotLS0gYS9Tb3Vy Y2UvV2ViQ29yZS9Nb2R1bGVzL21lZGlhc3RyZWFtL1JUQ1J0cFNGcmFtZVRyYW5zZm9ybS5jcHAK KysrIGIvU291cmNlL1dlYkNvcmUvTW9kdWxlcy9tZWRpYXN0cmVhbS9SVENSdHBTRnJhbWVUcmFu c2Zvcm0uY3BwCkBAIC0xNzEsNiArMTcxLDggQEAgdm9pZCBSVENSdHBTRnJhbWVUcmFuc2Zvcm06 OmNyZWF0ZVN0cmVhbXMoSlNDOjpKU0dsb2JhbE9iamVjdCYgZ2xvYmFsT2JqZWN0KQogICAgICAg ICByZXR1cm47CiAKICAgICBhdXRvIHdyaXRhYmxlID0gV3JpdGFibGVTdHJlYW06OmNyZWF0ZShn bG9iYWxPYmplY3QsIFNpbXBsZVdyaXRhYmxlU3RyZWFtU2luazo6Y3JlYXRlKFt0cmFuc2Zvcm1l ciA9IG1fdHJhbnNmb3JtZXIsIHJlYWRhYmxlU3RyZWFtU291cmNlID0gbV9yZWFkYWJsZVN0cmVh bVNvdXJjZV0oYXV0byYgY29udGV4dCwgYXV0byB2YWx1ZSkgLT4gRXhjZXB0aW9uT3I8dm9pZD4g eworICAgICAgICBpZiAoIWNvbnRleHQuZ2xvYmFsT2JqZWN0KCkpCisgICAgICAgICAgICByZXR1 cm4gRXhjZXB0aW9uIHsgSW52YWxpZFN0YXRlRXJyb3IgfTsKICAgICAgICAgYXV0byYgZ2xvYmFs T2JqZWN0ID0gKkpTQzo6anNDYXN0PEpTRE9NR2xvYmFsT2JqZWN0Kj4oY29udGV4dC5nbG9iYWxP YmplY3QoKSk7CiAgICAgICAgIGF1dG8gc2NvcGUgPSBERUNMQVJFX1RIUk9XX1NDT1BFKGdsb2Jh bE9iamVjdC52bSgpKTsKIApkaWZmIC0tZ2l0IGEvTGF5b3V0VGVzdHMvQ2hhbmdlTG9nIGIvTGF5 b3V0VGVzdHMvQ2hhbmdlTG9nCmluZGV4IGRiMzRjMGQzMTVkY2Q4NzhlNGNhZmMyODI3NmZmNGNk Y2IxOWM2YmMuLjRmNGYyM2JhNzgyYzc2ZDRjZmMwOTgzOGQ1ODYwODZiZWFiM2FlMjggMTAwNjQ0 Ci0tLSBhL0xheW91dFRlc3RzL0NoYW5nZUxvZworKysgYi9MYXlvdXRUZXN0cy9DaGFuZ2VMb2cK QEAgLTEsMyArMSwxNSBAQAorMjAyMS0wNC0yNiAgUm9iIEJ1aXMgIDxyYnVpc0BpZ2FsaWEuY29t PgorCisgICAgICAgIENoZWNrIGdsb2JhbE9iamVjdCBmb3IgbnVsbAorICAgICAgICBodHRwczov L2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjIzNzkzCisKKyAgICAgICAgUmV2aWV3 ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgQWRkIHRlc3QgZm9yIHRoaXMuCisKKyAg ICAgICAgKiBodHRwL3Rlc3RzL3dlYnJ0Yy9zZnJhbWUtdHJhbnNmb3JtLXdyaXRlLWV4cGVjdGVk LnR4dDogQWRkZWQuCisgICAgICAgICogaHR0cC90ZXN0cy93ZWJydGMvc2ZyYW1lLXRyYW5zZm9y bS13cml0ZS5odG1sOiBBZGRlZC4KKwogMjAyMS0wNC0yNSAgUnlvc3VrZSBOaXdhICA8cm5pd2FA d2Via2l0Lm9yZz4KIAogICAgICAgICBVbnJldmlld2VzZCBFV1MgZml4ZXMuCmRpZmYgLS1naXQg YS9MYXlvdXRUZXN0cy9odHRwL3Rlc3RzL3dlYnJ0Yy9zZnJhbWUtdHJhbnNmb3JtLXdyaXRlLWV4 cGVjdGVkLnR4dCBiL0xheW91dFRlc3RzL2h0dHAvdGVzdHMvd2VicnRjL3NmcmFtZS10cmFuc2Zv cm0td3JpdGUtZXhwZWN0ZWQudHh0Cm5ldyBmaWxlIG1vZGUgMTAwNjQ0CmluZGV4IDAwMDAwMDAw MDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAuLmZjMDY2MGNmN2ExOTliZGM4ODU2OTkz ZGQ1Nzc2YzJkZWRhMTM1NmQKLS0tIC9kZXYvbnVsbAorKysgYi9MYXlvdXRUZXN0cy9odHRwL3Rl c3RzL3dlYnJ0Yy9zZnJhbWUtdHJhbnNmb3JtLXdyaXRlLWV4cGVjdGVkLnR4dApAQCAtMCwwICsx IEBACitUaGlzIHRlc3Qgc2hvdWxkIG5vdCBjcmFzaC4KZGlmZiAtLWdpdCBhL0xheW91dFRlc3Rz L2h0dHAvdGVzdHMvd2VicnRjL3NmcmFtZS10cmFuc2Zvcm0td3JpdGUuaHRtbCBiL0xheW91dFRl c3RzL2h0dHAvdGVzdHMvd2VicnRjL3NmcmFtZS10cmFuc2Zvcm0td3JpdGUuaHRtbApuZXcgZmls ZSBtb2RlIDEwMDY0NAppbmRleCAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAw MDAwLi5iZmU3MDgxZWJmYmFjODFiZmFlNzUzMGVkMjNhYmFhNzQxODZmODMwCi0tLSAvZGV2L251 bGwKKysrIGIvTGF5b3V0VGVzdHMvaHR0cC90ZXN0cy93ZWJydGMvc2ZyYW1lLXRyYW5zZm9ybS13 cml0ZS5odG1sCkBAIC0wLDAgKzEsMTEgQEAKKzxzY3JpcHQ+CisgIG9ubG9hZCA9ICgpID0+IHsK KyAgICBpZiAod2luZG93LnRlc3RSdW5uZXIpCisgICAgICB0ZXN0UnVubmVyLmR1bXBBc1RleHQo KTsKKyAgICBsZXQgd3JpdGVyID0gbmV3IFNGcmFtZVRyYW5zZm9ybSgpLndyaXRhYmxlLmdldFdy aXRlcigpOworICAgIG5ldyBBdWRpb0NvbnRleHQoKS5hdWRpb1dvcmtsZXQuYWRkTW9kdWxlKCdh JykuY2F0Y2goKCkgPT4geworICAgICAgd3JpdGVyLndyaXRlKCk7CisgICAgfSk7CisgIH07Cis8 L3NjcmlwdD4KKzxwPlRoaXMgdGVzdCBzaG91bGQgbm90IGNyYXNoLjwvcD4K 427122 2021-04-26 23:13:19 -0700 2021-04-27 00:42:57 -0700 Patch bug-223793-20210427081317.patch text/plain 3433 rbuis U3VidmVyc2lvbiBSZXZpc2lvbjogMjc2NTgxCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggOTEyNGRjNzkwZTI4MWY4 YTNhYTBjMjA3ZDA3YzJiMjQ4N2I2YjJmMi4uZTczZTQwYTNhYjBjNTc0MGE4ZTk0NTA5M2ExODg3 ZjcyMTAzZmIzZiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE4IEBACisyMDIxLTA0LTI2ICBSb2Ig QnVpcyAgPHJidWlzQGlnYWxpYS5jb20+CisKKyAgICAgICAgQ2hlY2sgZ2xvYmFsT2JqZWN0IGZv ciBudWxsCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0y MjM3OTMKKworICAgICAgICBSZXZpZXdlZCBieSBZb3Vlbm4gRmFibGV0LgorCisgICAgICAgIENo ZWNrIGdsb2JhbE9iamVjdCBmb3IgbnVsbCBpbiBSVENSdHBTRnJhbWVUcmFuc2Zvcm06OmNyZWF0 ZVN0cmVhbXMKKyAgICAgICAgYmVmb3JlIGRlZmVyZW5jaW5nLgorCisgICAgICAgIFRlc3Q6IGh0 dHAvdGVzdHMvd2VicnRjL3NmcmFtZS10cmFuc2Zvcm0td3JpdGUuaHRtbAorCisgICAgICAgICog TW9kdWxlcy9tZWRpYXN0cmVhbS9SVENSdHBTRnJhbWVUcmFuc2Zvcm0uY3BwOgorICAgICAgICAo V2ViQ29yZTo6UlRDUnRwU0ZyYW1lVHJhbnNmb3JtOjpjcmVhdGVTdHJlYW1zKToKKwogMjAyMS0w NC0yNSAgQ2hhbmdTZW9rIE9oICA8Y2hhbmdzZW9rQHdlYmtpdC5vcmc+CiAKICAgICAgICAgRml4 IGEgY3Jhc2ggY2F1c2VkIGJ5IEFWSUYgZGVjb2RpbmcgZmFpbHVyZQpkaWZmIC0tZ2l0IGEvU291 cmNlL1dlYkNvcmUvTW9kdWxlcy9tZWRpYXN0cmVhbS9SVENSdHBTRnJhbWVUcmFuc2Zvcm0uY3Bw IGIvU291cmNlL1dlYkNvcmUvTW9kdWxlcy9tZWRpYXN0cmVhbS9SVENSdHBTRnJhbWVUcmFuc2Zv cm0uY3BwCmluZGV4IDhhOGJkMWI5Njg3NTc1ZjgxNjY1NzRlZjc0OTEyZTEwOGZlYjI0MDcuLjJj NjczZmY0ZWVhZTM2MTU4MTc2MjYxMWRhNmM2MWY3ZTE2NTU0ODAgMTAwNjQ0Ci0tLSBhL1NvdXJj ZS9XZWJDb3JlL01vZHVsZXMvbWVkaWFzdHJlYW0vUlRDUnRwU0ZyYW1lVHJhbnNmb3JtLmNwcAor KysgYi9Tb3VyY2UvV2ViQ29yZS9Nb2R1bGVzL21lZGlhc3RyZWFtL1JUQ1J0cFNGcmFtZVRyYW5z Zm9ybS5jcHAKQEAgLTE3MSw2ICsxNzEsOCBAQCB2b2lkIFJUQ1J0cFNGcmFtZVRyYW5zZm9ybTo6 Y3JlYXRlU3RyZWFtcyhKU0M6OkpTR2xvYmFsT2JqZWN0JiBnbG9iYWxPYmplY3QpCiAgICAgICAg IHJldHVybjsKIAogICAgIGF1dG8gd3JpdGFibGUgPSBXcml0YWJsZVN0cmVhbTo6Y3JlYXRlKGds b2JhbE9iamVjdCwgU2ltcGxlV3JpdGFibGVTdHJlYW1TaW5rOjpjcmVhdGUoW3RyYW5zZm9ybWVy ID0gbV90cmFuc2Zvcm1lciwgcmVhZGFibGVTdHJlYW1Tb3VyY2UgPSBtX3JlYWRhYmxlU3RyZWFt U291cmNlXShhdXRvJiBjb250ZXh0LCBhdXRvIHZhbHVlKSAtPiBFeGNlcHRpb25Pcjx2b2lkPiB7 CisgICAgICAgIGlmICghY29udGV4dC5nbG9iYWxPYmplY3QoKSkKKyAgICAgICAgICAgIHJldHVy biBFeGNlcHRpb24geyBJbnZhbGlkU3RhdGVFcnJvciB9OwogICAgICAgICBhdXRvJiBnbG9iYWxP YmplY3QgPSAqSlNDOjpqc0Nhc3Q8SlNET01HbG9iYWxPYmplY3QqPihjb250ZXh0Lmdsb2JhbE9i amVjdCgpKTsKICAgICAgICAgYXV0byBzY29wZSA9IERFQ0xBUkVfVEhST1dfU0NPUEUoZ2xvYmFs T2JqZWN0LnZtKCkpOwogCmRpZmYgLS1naXQgYS9MYXlvdXRUZXN0cy9DaGFuZ2VMb2cgYi9MYXlv dXRUZXN0cy9DaGFuZ2VMb2cKaW5kZXggZGIzNGMwZDMxNWRjZDg3OGU0Y2FmYzI4Mjc2ZmY0Y2Rj YjE5YzZiYy4uOTZhMTdhMzk3ODgzNjE1Mjk2ODVkNTRhYWExY2U1OWM3M2Y2ODQxMyAxMDA2NDQK LS0tIGEvTGF5b3V0VGVzdHMvQ2hhbmdlTG9nCisrKyBiL0xheW91dFRlc3RzL0NoYW5nZUxvZwpA QCAtMSwzICsxLDEzIEBACisyMDIxLTA0LTI2ICBSb2IgQnVpcyAgPHJidWlzQGlnYWxpYS5jb20+ CisKKyAgICAgICAgQ2hlY2sgZ2xvYmFsT2JqZWN0IGZvciBudWxsCisgICAgICAgIGh0dHBzOi8v YnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yMjM3OTMKKworICAgICAgICBSZXZpZXdl ZCBieSBZb3Vlbm4gRmFibGV0LgorCisgICAgICAgICogaHR0cC90ZXN0cy93ZWJydGMvc2ZyYW1l LXRyYW5zZm9ybS13cml0ZS1leHBlY3RlZC50eHQ6IEFkZGVkLgorICAgICAgICAqIGh0dHAvdGVz dHMvd2VicnRjL3NmcmFtZS10cmFuc2Zvcm0td3JpdGUuaHRtbDogQWRkZWQuCisKIDIwMjEtMDQt MjUgIFJ5b3N1a2UgTml3YSAgPHJuaXdhQHdlYmtpdC5vcmc+CiAKICAgICAgICAgVW5yZXZpZXdl c2QgRVdTIGZpeGVzLgpkaWZmIC0tZ2l0IGEvTGF5b3V0VGVzdHMvaHR0cC90ZXN0cy93ZWJydGMv c2ZyYW1lLXRyYW5zZm9ybS13cml0ZS1leHBlY3RlZC50eHQgYi9MYXlvdXRUZXN0cy9odHRwL3Rl c3RzL3dlYnJ0Yy9zZnJhbWUtdHJhbnNmb3JtLXdyaXRlLWV4cGVjdGVkLnR4dApuZXcgZmlsZSBt b2RlIDEwMDY0NAppbmRleCAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAw Li5mYzA2NjBjZjdhMTk5YmRjODg1Njk5M2RkNTc3NmMyZGVkYTEzNTZkCi0tLSAvZGV2L251bGwK KysrIGIvTGF5b3V0VGVzdHMvaHR0cC90ZXN0cy93ZWJydGMvc2ZyYW1lLXRyYW5zZm9ybS13cml0 ZS1leHBlY3RlZC50eHQKQEAgLTAsMCArMSBAQAorVGhpcyB0ZXN0IHNob3VsZCBub3QgY3Jhc2gu CmRpZmYgLS1naXQgYS9MYXlvdXRUZXN0cy9odHRwL3Rlc3RzL3dlYnJ0Yy9zZnJhbWUtdHJhbnNm b3JtLXdyaXRlLmh0bWwgYi9MYXlvdXRUZXN0cy9odHRwL3Rlc3RzL3dlYnJ0Yy9zZnJhbWUtdHJh bnNmb3JtLXdyaXRlLmh0bWwKbmV3IGZpbGUgbW9kZSAxMDA2NDQKaW5kZXggMDAwMDAwMDAwMDAw MDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMC4uYmZlNzA4MWViZmJhYzgxYmZhZTc1MzBlZDIz YWJhYTc0MTg2ZjgzMAotLS0gL2Rldi9udWxsCisrKyBiL0xheW91dFRlc3RzL2h0dHAvdGVzdHMv d2VicnRjL3NmcmFtZS10cmFuc2Zvcm0td3JpdGUuaHRtbApAQCAtMCwwICsxLDExIEBACis8c2Ny aXB0PgorICBvbmxvYWQgPSAoKSA9PiB7CisgICAgaWYgKHdpbmRvdy50ZXN0UnVubmVyKQorICAg ICAgdGVzdFJ1bm5lci5kdW1wQXNUZXh0KCk7CisgICAgbGV0IHdyaXRlciA9IG5ldyBTRnJhbWVU cmFuc2Zvcm0oKS53cml0YWJsZS5nZXRXcml0ZXIoKTsKKyAgICBuZXcgQXVkaW9Db250ZXh0KCku YXVkaW9Xb3JrbGV0LmFkZE1vZHVsZSgnYScpLmNhdGNoKCgpID0+IHsKKyAgICAgIHdyaXRlci53 cml0ZSgpOworICAgIH0pOworICB9OworPC9zY3JpcHQ+Cis8cD5UaGlzIHRlc3Qgc2hvdWxkIG5v dCBjcmFzaC48L3A+Cg==