168971 2017-02-28 08:44:01 -0800 Null pointer crash when loading module with unresolved import also as a script file 2017-03-06 08:57:19 -0800 1 1 1 Unclassified WebKit JavaScriptCore WebKit Local Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 andre.bargull ysuzuki commit-queue fpizlo keith_miller mark.lam msaboff saam webkit-bug-importer ysuzuki oldest_to_newest 1281771 0 andre.bargull 2017-02-28 08:44:01 -0800 svn revision: 213147 Test file, t.js: --- import {x} from "./t.js" --- STR: - Start JSC shell with: ~/svn/webkit/WebKitBuild/Debug/bin/jsc -m t.js -f t.js Crashes with: --- Thread 1 "jsc" received signal SIGSEGV, Segmentation fault. 0x000000000046f5f0 in JSC::MarkedBlock::vm (this=0x0) at ../../Source/JavaScriptCore/heap/MarkedBlock.h:411 --- Stack trace: --- #0 0x000000000046f5f0 in JSC::MarkedBlock::vm (this=0x0) at ../../Source/JavaScriptCore/heap/MarkedBlock.h:411 #1 0x000000000047c4fe in JSC::HeapCell::vm (this=0x0) at ../../Source/JavaScriptCore/heap/HeapCellInlines.h:67 #2 0x00007ffff68b2b32 in JSC::Interpreter::execute (this=0x7fffef5fe080, executable=0x7fffaed4c320, callFrame=0x7fffffffcd60, scope=0x0) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:1173 #3 0x00007ffff6b9de2e in JSC::JSModuleRecord::evaluate (this=0x7fffaed500a0, exec=0x7fffffffcd60) at ../../Source/JavaScriptCore/runtime/JSModuleRecord.cpp:207 #4 0x00007ffff6b97bc7 in JSC::JSModuleLoader::evaluate (this=0x7fffaedb0190, exec=0x7fffffffcd60, key=..., moduleRecordValue=..., scriptFetcher=...) at ../../Source/JavaScriptCore/runtime/JSModuleLoader.cpp:238 #5 0x00007ffff6c28def in JSC::moduleLoaderPrototypeEvaluate (exec=0x7fffffffcd60) at ../../Source/JavaScriptCore/runtime/ModuleLoaderPrototype.cpp:245 ... --- 1282633 1 webkit-bug-importer 2017-03-01 22:36:03 -0800 <rdar://problem/30801142> 1282662 2 303181 ysuzuki 2017-03-02 01:31:57 -0800 Created attachment 303181 Patch 1282664 3 303182 ysuzuki 2017-03-02 01:33:59 -0800 Created attachment 303182 Patch 1283511 4 303182 saam 2017-03-04 17:27:29 -0800 Comment on attachment 303182 Patch r=me 1283774 5 303182 ysuzuki 2017-03-06 08:29:55 -0800 Comment on attachment 303182 Patch Thanks! 1283778 6 303182 commit-queue 2017-03-06 08:57:14 -0800 Comment on attachment 303182 Patch Clearing flags on attachment: 303182 Committed r213452: <http://trac.webkit.org/changeset/213452> 1283779 7 commit-queue 2017-03-06 08:57:19 -0800 All reviewed patches have been landed. Closing bug. 303181 2017-03-02 01:31:57 -0800 2017-03-02 01:33:54 -0800 Patch bug-168971-20170302183155.patch text/plain 6474 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMjEzMjcyCmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCBl MDY0MTYwZTdhMTNhZTZjYjM3MTNiZDVhMjgzMGUzMDdiNzYxYWYwLi5lYWRjNTE3MTljODk0ZTIz ZTY0MzljYmMxYTY0OTM5ZDJkODAyOWZlIDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwxOCBAQAorMjAxNy0wMy0wMiAgWXVzdWtlIFN1enVraSAgPHV0YXRhbmUudGVhQGdtYWls LmNvbT4KKworICAgICAgICBOdWxsIHBvaW50ZXIgY3Jhc2ggd2hlbiBsb2FkaW5nIG1vZHVsZSB3 aXRoIHVucmVzb2x2ZWQgaW1wb3J0IGFsc28gYXMgYSBzY3JpcHQgZmlsZQorICAgICAgICBodHRw czovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTY4OTcxCisKKyAgICAgICAgUmV2 aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgSWYgbGlua2luZyB0aHJvd3MgYW4g ZXJyb3IsIHRoaXMgZXJyb3Igc2hvdWxkIGJlIHJlLXRocm93biB3aGVuIHJlcXVlc3RpbmcgdGhl 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