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Last Comment Bug 724467 - IonMonkey: "Assertion failure: !unknownProperties(),"
: IonMonkey: "Assertion failure: !unknownProperties(),"
: assertion, testcase
Product: Core
Classification: Components
Component: JavaScript Engine (show other bugs)
: Trunk
: x86 Mac OS X
: -- critical (vote)
: ---
Assigned To: David Anderson [:dvander]
: Jason Orendorff [:jorendorff]
Depends on:
Blocks: jsfunfuzz IonFuzz 630996
  Show dependency treegraph
Reported: 2012-02-05 22:48 PST by Gary Kwong [:gkw] [:nth10sd]
Modified: 2012-02-06 16:06 PST (History)
5 users (show)
See Also:
Crash Signature:
QA Whiteboard:
Iteration: ---
Points: ---
Has Regression Range: ---
Has STR: ---

testcase (4.15 KB, text/plain)
2012-02-05 22:48 PST, Gary Kwong [:gkw] [:nth10sd]
no flags Details
stack (4.51 KB, text/plain)
2012-02-06 09:44 PST, Gary Kwong [:gkw] [:nth10sd]
no flags Details
fix (5.25 KB, patch)
2012-02-06 15:58 PST, David Anderson [:dvander]
bhackett1024: review+
Details | Diff | Splinter Review

Description Gary Kwong [:gkw] [:nth10sd] 2012-02-05 22:48:58 PST
Created attachment 594647 [details]

The attached testcase asserts js debug shell on IonMonkey changeset 43b55878da46 with -m, -a, --ion and -n at Assertion failure: !unknownProperties(),

This was found using a combination of jsfunfuzz and jandem's method fuzzer.
Comment 1 Gary Kwong [:gkw] [:nth10sd] 2012-02-06 09:32:40 PST
Tested when the testcase is passed in as a CLI argument.
Comment 2 Gary Kwong [:gkw] [:nth10sd] 2012-02-06 09:44:59 PST
Created attachment 594739 [details]
Comment 3 Gary Kwong [:gkw] [:nth10sd] 2012-02-06 09:46:00 PST
-a is not needed to reproduce this assert.
Comment 4 Gary Kwong [:gkw] [:nth10sd] 2012-02-06 13:34:19 PST
Still reproduces on changeset a1fc5b03be76.
Comment 5 David Anderson [:dvander] 2012-02-06 15:58:06 PST
Created attachment 594851 [details] [diff] [review]
Comment 6 Brian Hackett (:bhackett) 2012-02-06 16:00:26 PST
Comment on attachment 594851 [details] [diff] [review]

Including that big test might be overkill.
Comment 7 David Anderson [:dvander] 2012-02-06 16:06:16 PST
fair enough!

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