[Webkit-unassigned] [Bug 14260] New: ASSERTION FAILED: m_mainResource->loader == loader going back in history on an image document or a plain text document

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=14260

           Summary: ASSERTION FAILED: m_mainResource->loader == loader going
                    back in history on an image document or a plain text
                    document
           Product: WebKit
           Version: 522+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: NeedsReduction, Regression, NeedsRadar
          Severity: Normal
          Priority: P1
         Component: History
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ddkilzer at webkit.org


* SUMMARY
Going back in history on an image document or a plain text document causes an
assertion failure in debug builds of ToT WebKit.

* STEPS TO REPRODUCE
1. Open Safari/WebKit.
2. Go to Bug 14256: http://bugs.webkit.org/show_bug.cgi?id=14256
3. Click on a "stack trace" attachment.
4. Click the browser Back button.

* ALTERNATE STEPS TO REPRODUCE
1. Open Safari/WebKit.
2. Go to URL: 
http://webkit.org/blog/108/yet-another-one-more-thing-a-new-web-inspector/
3. Click on Inspector image.
4. Click the browser Back button.

* EXPECTED RESULTS
Safari should to back to the previous page.

* ACTUAL RESULTS
Assertion failure on debug builds of ToT WebKit.

* REGRESSION
This is a regression since the new Web Inspector landed on ToT WebKit.

* NOTES
Reproduced with Safari 3.0 (522.11) with a local debug build of WebKit r23678
on Mac OS X 10.4.10 (8R215 PRERELEASE).

Console output:

ASSERTION FAILED: m_mainResource->loader == loader
(/path/to/WebKit/WebCore/page/InspectorController.cpp:1059 void
WebCore::InspectorController::didCommitLoad(WebCore::DocumentLoader*))
Segmentation fault

Stack trace:

Version:        3.0 (522.11)
Build Version:  2
Project Name:   WebBrowser
Source Version: 45221100

PID:    24226
Thread: 0

Exception:  EXC_BAD_ACCESS (0x0001)
Codes:      KERN_INVALID_ADDRESS (0x0001) at 0xbbadbeef

Thread 0 Crashed:
0   com.apple.WebCore           0x014f7300
WebCore::InspectorController::didCommitLoad(WebCore::DocumentLoader*) + 260
(InspectorController.cpp:1059)
1   com.apple.WebCore           0x014711b0
WebCore::FrameLoader::dispatchDidCommitLoad() + 148 (FrameLoader.cpp:4426)
2   com.apple.WebCore           0x01481cc8
WebCore::FrameLoader::transitionToCommitted(WTF::PassRefPtr<WebCore::CachedPage>)
+ 1516 (FrameLoader.cpp:2476)
3   com.apple.WebCore           0x01482358
WebCore::FrameLoader::commitProvisionalLoad(WTF::PassRefPtr<WebCore::CachedPage>)
+ 224 (FrameLoader.cpp:2360)
4   com.apple.WebCore           0x01486e40
WebCore::DocumentLoader::loadFromCachedPage(WTF::PassRefPtr<WebCore::CachedPage>)
+ 144 (DocumentLoader.cpp:556)
5   com.apple.WebCore           0x01472548
WebCore::FrameLoader::loadProvisionalItemFromCachedPage() + 228
(FrameLoader.cpp:3573)
6   com.apple.WebCore           0x01477c40
WebCore::FrameLoader::continueLoadAfterNavigationPolicy(WebCore::ResourceRequest
const&, WTF::PassRefPtr<WebCore::FormState>, bool) + 864 (FrameLoader.cpp:3438)
7   com.apple.WebCore           0x01477d98
WebCore::FrameLoader::callContinueLoadAfterNavigationPolicy(void*,
WebCore::ResourceRequest const&, WTF::PassRefPtr<WebCore::FormState>, bool) +
84 (FrameLoader.cpp:3392)
8   com.apple.WebCore           0x01476e80
WebCore::FrameLoader::checkNavigationPolicy(WebCore::ResourceRequest const&,
WebCore::DocumentLoader*, WTF::PassRefPtr<WebCore::FormState>, void (*)(void*,
WebCore::ResourceRequest const&, WTF::PassRefPtr<WebCore::FormState>, bool),
void*) + 364 (FrameLoader.cpp:3335)
9   com.apple.WebCore           0x01478ddc
WebCore::FrameLoader::load(WebCore::DocumentLoader*, WebCore::FrameLoadType,
WTF::PassRefPtr<WebCore::FormState>) + 472 (FrameLoader.cpp:1990)
10  com.apple.WebCore           0x0147f86c
WebCore::FrameLoader::loadItem(WebCore::HistoryItem*, WebCore::FrameLoadType) +
976 (FrameLoader.cpp:3827)
11  com.apple.WebCore           0x01480164
WebCore::FrameLoader::recursiveGoToItem(WebCore::HistoryItem*,
WebCore::HistoryItem*, WebCore::FrameLoadType) + 1256 (FrameLoader.cpp:3989)
12  com.apple.WebCore           0x01480290
WebCore::FrameLoader::goToItem(WebCore::HistoryItem*, WebCore::FrameLoadType) +
256 (FrameLoader.cpp:3932)
13  com.apple.WebCore           0x011f1058
WebCore::Page::goToItem(WebCore::HistoryItem*, WebCore::FrameLoadType) + 404
(Page.cpp:139)
14  com.apple.WebCore           0x011f114c WebCore::Page::goBack() + 88
(Page.cpp:115)
15  com.apple.WebKit            0x003865f0 -[WebView goBack] + 80
(WebView.mm:2118)
16  com.apple.WebKit            0x003890bc -[WebView(WebIBActions) goBack:] +
68 (WebView.mm:2611)
17  com.apple.AppKit            0x9383ec4c -[NSApplication sendAction:to:from:]
+ 108
18  com.apple.Safari            0x0001a020 0x1000 + 102432
19  com.apple.AppKit            0x9383eb80 -[NSControl sendAction:to:] + 96
20  com.apple.AppKit            0x9383ea60 -[NSCell _sendActionFrom:] + 156
21  com.apple.AppKit            0x93858a88 -[NSCell
trackMouse:inRect:ofView:untilMouseUp:] + 1020
22  com.apple.AppKit            0x93858670 -[NSButtonCell
trackMouse:inRect:ofView:untilMouseUp:] + 564
23  com.apple.AppKit            0x93858094 -[NSControl mouseDown:] + 536
24  com.apple.Safari            0x0007e474 0x1000 + 513140
25  com.apple.AppKit            0x937f9890 -[NSWindow sendEvent:] + 4616
26  com.apple.Safari            0x000ab334 0x1000 + 697140
27  com.apple.AppKit            0x937a28d4 -[NSApplication sendEvent:] + 4172
28  com.apple.Safari            0x00016444 0x1000 + 87108
29  com.apple.AppKit            0x93799d10 -[NSApplication run] + 508
30  com.apple.AppKit            0x9388a87c NSApplicationMain + 452
31  com.apple.Safari            0x0000244c 0x1000 + 5196
32  com.apple.Safari            0x0004f1b0 0x1000 + 319920


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