Bug 175903

Summary: REGRESSION (r221052): DumpRenderTree crashed in com.apple.JavaScriptCore: JSC::Yarr::YarrCodeBlock::execute + 137
Product: WebKit Reporter: Michael Saboff <msaboff>
Component: JavaScriptCoreAssignee: Michael Saboff <msaboff>
Status: RESOLVED FIXED    
Severity: Normal CC: buildbot, commit-queue, keith_miller, mark.lam, saam, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Other   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch none

Michael Saboff
Reported 2017-08-23 13:26:23 PDT
Crashing in code generated by generateCharacterClassGreedy() with something like "a\u{10410}\u{10410}b".match(/a(\u{10410}*)bc|a(\u{10410}*)b/ui). Looks like we increment "count" before checking is we are at the end of the string.
Attachments
Patch (5.22 KB, patch)
2017-08-23 14:04 PDT, Michael Saboff 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Michael Saboff
Comment 1 2017-08-23 13:26:46 PDT
<rdar://problem/34035972>
Michael Saboff
Comment 2 2017-08-23 14:04:48 PDT
Created attachment 318914 [details] Patch
Saam Barati
Comment 3 2017-08-23 14:55:03 PDT
Comment on attachment 318914 [details] Patch r=me
WebKit Commit Bot
Comment 4 2017-08-23 15:24:34 PDT
Comment on attachment 318914 [details] Patch Clearing flags on attachment: 318914 Committed r221111: <http://trac.webkit.org/changeset/221111>
WebKit Commit Bot
Comment 5 2017-08-23 15:24:35 PDT
All reviewed patches have been landed. Closing bug.
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