Bug 338970

Summary: JSON.parse corrupted
Product: [Applications] konqueror Reporter: bugzilla77 <bugzilla77>
Component: kjsAssignee: Konqueror Bugs <konqueror-bugs-null>
Status: RESOLVED FIXED    
Severity: normal CC: aacid, b.buschinski
Priority: NOR    
Version First Reported In: 4.13.3   
Target Milestone: ---   
Platform: unspecified   
OS: All   
URL: http://bugs.idsl.pl/konqueror/JSON.parse.html
Latest Commit: http://commits.kde.org/kjs/8d3db9eae95202906218239246aec324199b3c9d Version Fixed/Implemented In: 4.14.2
Sentry Crash Report:

Description bugzilla77 2014-09-10 10:13:12 UTC 
JSON.parse method do not decode unicode \u characters < 32.

Reproducible: Always

Steps to Reproduce:
<script type="text/javascript">
 document.write(JSON.parse('"\\u0000"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0001"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0002"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0003"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0004"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0005"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0006"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0007"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0008"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0009"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u000a"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u000b"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u000c"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u000d"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u000e"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u000f"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0010"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0011"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0012"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0013"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0014"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0015"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0016"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0017"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0018"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u0019"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u001a"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u001b"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u001c"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u001d"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u001e"').charCodeAt()+'<br/>')
 document.write(JSON.parse('"\\u001f"').charCodeAt()+'<br/>')
</script>

Actual Results:  
[empty screen]

Expected Results:  
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Firefox, Chrome, Opera, Explorer show numbers
Comment 1 Bernd Buschinski 2014-09-10 12:56:51 UTC 
Hm, yes looks like I misinterpreted the invalid characters part.
U+0000 through U+001F is not allowed as char, but as escaped unicode sequence (ES5.1 15.12.1.1)
Comment 2 Bernd Buschinski 2014-09-18 16:17:32 UTC 
Git commit 0f0db01274fab4e4cfec1485776fbdf10065b5d7 by Bernd Buschinski.
Committed on 10/09/2014 at 17:12.
Pushed by buschinski into branch 'KDE/4.14'.

kjs: U+0000 through U+001F is not allowed as char, but as escaped unicode sequence

M  +0    -5    kjs/jsonlexer.cpp

http://commits.kde.org/kdelibs/0f0db01274fab4e4cfec1485776fbdf10065b5d7
Comment 3 Bernd Buschinski 2014-09-18 16:17:41 UTC 
Git commit 8d3db9eae95202906218239246aec324199b3c9d by Bernd Buschinski.
Committed on 10/09/2014 at 17:14.
Pushed by buschinski into branch 'master'.

U+0000 through U+001F is not allowed as char, but as escaped unicode sequence

M  +0    -4    src/kjs/jsonlexer.cpp

http://commits.kde.org/kjs/8d3db9eae95202906218239246aec324199b3c9d