Bug 168971

Summary:

Null pointer crash when loading module with unresolved import also as a script file

Product:

WebKit

Reporter:

André Bargull <andre.bargull>

Component:

JavaScriptCore

Assignee:

Yusuke Suzuki <ysuzuki>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

commit-queue, fpizlo, keith_miller, mark.lam, msaboff, saam, webkit-bug-importer, ysuzuki

Priority:

Keywords:

InRadar

Version:

WebKit Local Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Patch	none
Patch	none

André Bargull

Reported 2017-02-28 08:44:01 PST

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 ... ---

Attachments
Patch (6.32 KB, patch) 2017-03-02 01:31 PST, Yusuke Suzuki	no flags	Details Formatted Diff Diff
Patch (6.06 KB, patch) 2017-03-02 01:33 PST, Yusuke Suzuki	no flags	Details Formatted Diff Diff
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