Crashes on JavaScript error after closing jsenv (JavaScript Environment) bookmarklet window.

RESOLVED WORKSFORME

Status

()

Core
JavaScript Engine
--
critical
RESOLVED WORKSFORME
13 years ago
12 years ago

People

(Reporter: Kevin Goodsell, Unassigned)

Tracking

({crash})

1.7 Branch
x86
Windows XP
crash
Points:
---

Firefox Tracking Flags

(Not tracked)

Details

(URL)

Attachments

(2 attachments)

(Reporter)

Description

13 years ago
User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.8) Gecko/20050511 Firefox/1.0.4
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.8) Gecko/20050511 Firefox/1.0.4

On the Dinkumware web site, I open a jsenv window and run a script in it. After
this, JavaScript errors that occur on the Dinkumware page are reported in the
jsenv window. If the jsenv window is then closed, the same errors seem to cause
the browser to crash.

Reproducible: Always

Steps to Reproduce:
1. Install the "jsenv" bookmarklet from
http://www.squarefree.com/bookmarklets/webdevel.html
2. Go to http://www.dinkumware.com/
3. Start the jsenv. A default script is displayed.
4. Run the default script.
5. Move the mouse cursor over the link with the text "Dinkum Proofers".
   - Note the error messages which appear in the jsenv window.
6. Close the jsenv window.
7. Move the mouse cursor over the link with the text "Dinkum Proofers" again.
Actual Results:  
Firefox crashes.

Expected Results:  
The jsenv window should have closed with no ill effects. Subsequent JavaScript
errors should appear in the JavaScript console as usual.
(Reporter)

Comment 1

13 years ago
Created attachment 184896 [details]
jsenv bookmarklet text

This is the text of the 'location' field for the version of the jsenv
bookmarklet that I'm using pasted into a plain text file.

Comment 2

13 years ago
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b2) Gecko/20050527
Firefox/1.0+

No crash on trunk, even after using this bookmarklet to make document.all be an
error rather than a warning:

javascript:document.all getter = function() { return null; }; void 0

Comment 3

13 years ago
Reproduced crash using Firefox 1.0.4:
http://talkback-public.mozilla.org/talkback/fastfind.jsp?search=2&type=iid&id=6260263

The error message that triggers the crash isn't document.all; document.all
support was in Firefox 1.0.4 too.

Comment 4

13 years ago
Created attachment 184899 [details]
testcase for 1.0.4 crash (still requires jsenv bookmarklet)

This testcase replaces http://www.dinkumware.com/ in in the steps-to-reproduce
in comment 0.

Comment 5

13 years ago
Using the testcase and the jsenv bookmarklet, no crash on trunk.
Component: General → JavaScript Engine
Product: Firefox → Core
Version: unspecified → 1.7 Branch
This is an automated message, with ID "auto-resolve01".

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Comment 7

12 years ago
Marking WFM based on comment 4 and comment 5, which confirmed the bug in 1.0.4
but not trunk.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 12 years ago
Keywords: crash
Resolution: --- → WORKSFORME
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