[Webkit-unassigned] [Bug 262242] New: ASSERTION FAILED: !renderer->needsLayout() /app/webkit/Source/WebCore/rendering/RenderBlock.cpp(3169) : void WebCore::RenderBlock::checkPositionedObjectsNeedLayout()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=262242

            Bug ID: 262242
           Summary: ASSERTION FAILED: !renderer->needsLayout()
                    /app/webkit/Source/WebCore/rendering/RenderBlock.cpp(3
                    169) : void
                    WebCore::RenderBlock::checkPositionedObjectsNeedLayout
                    ()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: 1319794503 at qq.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 467918

  --> https://bugs.webkit.org/attachment.cgi?id=467918&action=review

testcase to trigger the crash

ASSERTION FAILED: !renderer->needsLayout()
/app/webkit/Source/WebCore/rendering/RenderBlock.cpp(3169) : void WebCore::RenderBlock::checkPositionedObjectsNeedLayout()
1   0x7fced71113f3 WTFCrash
2   0x7fcee11d3da9 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0x8d5eda9) [0x7fcee11d3da9]
3   0x7fcee74d01d9 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf05b1d9) [0x7fcee74d01d9]
4   0x7fcee76a6d99 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf231d99) [0x7fcee76a6d99]
5   0x7fcee76a686d /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf23186d) [0x7fcee76a686d]
6   0x7fcee74d53e5 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf0603e5) [0x7fcee74d53e5]
7   0x7fcee74c20b3 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf04d0b3) [0x7fcee74c20b3]
8   0x7fcee67677b1 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe2f27b1) [0x7fcee67677b1]
9   0x7fcee74c3f6a /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf04ef6a) [0x7fcee74c3f6a]
10  0x7fcee74c41a9 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf04f1a9) [0x7fcee74c41a9]
11  0x7fcee74d4f99 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf05ff99) [0x7fcee74d4f99]
12  0x7fcee74c20b3 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf04d0b3) [0x7fcee74c20b3]
13  0x7fcee774f9f5 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xf2da9f5) [0x7fcee774f9f5]
14  0x7fcee6a8ec61 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe619c61) [0x7fcee6a8ec61]
15  0x7fcee6a8e0f7 WebCore::LocalFrameViewLayoutContext::layout()
16  0x7fcee6a8ffd1 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe61afd1) [0x7fcee6a8ffd1]
17  0x7fcee6ac94e4 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe6544e4) [0x7fcee6ac94e4]
18  0x7fcee6ac93d5 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe6543d5) [0x7fcee6ac93d5]
19  0x7fcee6ac92dd /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe6542dd) [0x7fcee6ac92dd]
20  0x7fcee6ac9225 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe654225) [0x7fcee6ac9225]
21  0x7fcee6ac91ce /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe6541ce) [0x7fcee6ac91ce]
22  0x7fcee1aadf47 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0x9638f47) [0x7fcee1aadf47]
23  0x7fcee1bb91ae /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0x97441ae) [0x7fcee1bb91ae]
24  0x7fcee6d3c4c4 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe8c74c4) [0x7fcee6d3c4c4]
25  0x7fcee6d3bdb5 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe8c6db5) [0x7fcee6d3bdb5]
26  0x7fcee6d3f27a /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe8ca27a) [0x7fcee6d3f27a]
27  0x7fcee1aadf47 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0x9638f47) [0x7fcee1aadf47]
28  0x7fcee6ce4640 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe86f640) [0x7fcee6ce4640]
29  0x7fcee6ceaa28 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe875a28) [0x7fcee6ceaa28]
30  0x7fcee6cea9a1 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe8759a1) [0x7fcee6cea9a1]
31  0x7fcee6cea917 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.1.so.0(+0xe875917) [0x7fcee6cea917]

** (MiniBrowser:17): WARNING **: 03:36:14.791: WebProcess CRASHED

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