[Webkit-unassigned] [Bug 12467] New: REGRESSION: Loading webarchive with empty frame source crashes WebKit ToT

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=12467

           Summary: REGRESSION: Loading webarchive with empty frame source
                    crashes WebKit ToT
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: HasReduction, Regression, InRadar
          Severity: Normal
          Priority: P1
         Component: WebKit Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ddkilzer at webkit.org
                CC: jim.correia at pobox.com


Summary:

Loading a webarchive file containing a frame with no source crashes WebKit ToT.

Steps to reproduce.

1. Open Safari/WebKit.
2. Open test webarchive.

Expected results:

Safari/WebKit should not crash.

Actual results:

Safari/WebKit crashes.

Regression:

This does not occur on shipping Safari 2.0.4 (419.3) on Mac OS X 10.4.8
(8N1037).

Confirmed crash with locally-built debug build of WebKit r19232 with Safari
2.0.4 (419.3) on Mac OS X 10.4.8 (8N1037).

Notes:

This bug was separate from Bug 12463 after I misunderstood the original issue
and happened upon a different bug.

Jim Correia filed this Radar bug for this issue (which is probably missing a
nil check in the frame loader code per Bug 12463 Comment #6):

<rdar://problem/4961915>


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