RESOLVED FIXED Bug 179764
Fix null pointer dereference in bytecodeDumper 
https://bugs.webkit.org/show_bug.cgi?id=179764
Summary Fix null pointer dereference in bytecodeDumper
Robin Morisset
Reported 2017-11-16 06:06:26 PST
Found accidentally by running dumping bytecode in a version of JSC compiled with ASAN. The problem is just a call to lastSeenCallee on a CallLinkInfo that was unguarded by haveLastSeenCallee().
Attachments
Patch (2.12 KB, patch)
2017-11-16 06:09 PST, Robin Morisset 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Robin Morisset
Comment 1 2017-11-16 06:09:42 PST
Created attachment 327059 [details] Patch
Mark Lam
Comment 2 2017-11-16 06:47:54 PST
Comment on attachment 327059 [details] Patch r=me
WebKit Commit Bot
Comment 3 2017-11-16 07:08:14 PST
Comment on attachment 327059 [details] Patch Clearing flags on attachment: 327059 Committed r224916: <https://trac.webkit.org/changeset/224916>
WebKit Commit Bot
Comment 4 2017-11-16 07:08:15 PST
All reviewed patches have been landed. Closing bug.
Radar WebKit Bug Importer
Comment 5 2017-11-17 13:01:34 PST
<rdar://problem/35621867>
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