Bug 41763 - REGRESSION: Crash at JSC::JIT::privateCompile(JSC::MacroAssemblerCodePtr*)
Summary: REGRESSION: Crash at JSC::JIT::privateCompile(JSC::MacroAssemblerCodePtr*)
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: 528+ (Nightly build)
Hardware: Mac (Intel) OS X 10.6
: P1 Normal
Assignee: Nobody
URL:
Keywords: InRadar, Regression
Depends on:
Blocks:
 
Reported: 2010-07-07 05:51 PDT by Ismail Donmez
Modified: 2010-07-13 12:57 PDT (History)
1 user (show)

See Also:


Attachments
Crash backtrace (38.72 KB, text/plain)
2010-07-07 05:52 PDT, Ismail Donmez
no flags Details
Patch (13.79 KB, patch)
2010-07-12 18:04 PDT, Oliver Hunt
barraclough: review+
Details | Formatted Diff | Diff

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Description Ismail Donmez 2010-07-07 05:51:15 PDT
Using revision r62632. 

How to reproduce;

- Visit http://cnnturk.com
- Wait 2-3 seconds
- Crash
Comment 1 Ismail Donmez 2010-07-07 05:52:32 PDT
Created attachment 60724 [details]
Crash backtrace
Comment 2 Ismail Donmez 2010-07-08 12:18:52 PDT
Still reproducable on trunk.
Comment 3 Alexey Proskuryakov 2010-07-08 12:30:15 PDT
m_codeBlock is null:

#0	0x101ac471a in JSC::CodeBlock::codeType at CodeBlock.h:410
#1	0x101acacd4 in JSC::JIT::privateCompile at JIT.cpp:473
#2	0x101ab5f1e in JSC::JIT::compile at JIT.h:183
#3	0x101aaf89c in JSC::FunctionExecutable::generateJITCodeForCall at Executable.cpp:212
#4	0x101a565be in JSC::FunctionExecutable::jitCodeForCall at Executable.h:407
#5	0x101aee92f in cti_op_call_jitCompile at JITStubs.cpp:1820
#6	0x101ae6981 in WTF::doubleHash at HashTable.h:447
#7	0x101ac6aba in JSC::JITCode::execute at JITCode.h:77
#8	0x101ac2805 in JSC::Interpreter::executeCall at Interpreter.cpp:784
#9	0x101a7e229 in JSC::call at CallData.cpp:38
#10	0x102c9469d in WebCore::JSMainThreadExecState::call at JSMainThreadExecState.h:48
#11	0x102d25202 in WebCore::JSEventListener::handleEvent at JSEventListener.cpp:124
Comment 4 Alexey Proskuryakov 2010-07-08 12:30:41 PDT
<rdar://problem/8171867>
Comment 5 Oliver Hunt 2010-07-12 18:04:36 PDT
Created attachment 61305 [details]
Patch
Comment 6 Oliver Hunt 2010-07-13 12:57:28 PDT
Committed r63237: <http://trac.webkit.org/changeset/63237>