Bug 127677

Summary: Segfault in JSC::JITCode::execute
Product: WebKit Reporter: Martin Hodovan <mhodovan.u-szeged>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: RESOLVED WORKSFORME    
Severity: Normal CC: ap, bfulgham, ggaren, loki, mhodovan.u-szeged, ossy, rgabor, rhodovan.u-szeged, zan
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: PC   
OS: Linux   
Bug Depends on:    
Bug Blocks: 116980    
Attachments:
Description Flags
Test case
none
JSC dump none

Martin Hodovan
Reported 2014-01-27 01:59:33 PST
Created attachment 222311 [details] Test case The failing test: (The test was ran on x86_64, Ubuntu 13.04) function function_0 () { if (!new Array(0, -1).some(function_0)) [ { y : 0 } ], x; } function_0(); The backtrace: Program received signal SIGSEGV, Segmentation fault. 0x00007fffaa57b0b0 in ?? () (gdb) bt #0 0x00007fffaa57b0b0 in ?? () #1 0x00007fffea579100 in ?? () #2 0x0000000000651670 in ?? () #3 0xffff000000000002 in ?? () #4 0xffff000000000000 in ?? () #5 0x00007fffffffde70 in ?? () #6 0x00007fffa9d4c0f0 in ?? () #7 0x00007ffffff57790 in ?? () #8 0x00007ffff7248acc in JSC::JITCode::execute (this=0xa, vm=0xffff0000ffffffff, protoCallFrame=0xffff000000000000, topOfStack=0xa) at /home/martin/Data/WebKit/Source/JavaScriptCore/jit/JITCode.cpp:48 Backtrace stopped: previous frame inner to this frame (corrupt stack?)
Attachments
Test case (115 bytes, application/javascript)
2014-01-27 01:59 PST, Martin Hodovan 		no flags
Details
JSC dump (472.17 KB, text/x-log)
2014-01-27 02:29 PST, Martin Hodovan 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Martin Hodovan
Comment 1 2014-01-27 02:29:00 PST
Created attachment 222314 [details] JSC dump
Alexey Proskuryakov
Comment 2 2014-01-27 09:16:46 PST
I cannot reproduce this with ToT on Mac.
Martin Hodovan
Comment 3 2014-01-28 02:29:15 PST
I've double-checked the test again on revision 162921 and the issue still seems valid to me.
Zan Dobersek
Comment 4 2014-01-28 03:57:07 PST
I can reproduce it on GTK WK1 and WK2.
Csaba Osztrogonác
Comment 5 2014-02-13 03:32:49 PST
Isn't it related to the cstack merge?
Brent Fulgham
Comment 6 2016-08-03 14:00:26 PDT
This does not occur on Mac under r204037. I doubt this is happening on other platforms either, since the fix was in JSC.
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