[Webkit-unassigned] [Bug 172951] New: [GTK] Crashes in WebCore::Node::lastDescendantEv

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172951

            Bug ID: 172951
           Summary: [GTK] Crashes in WebCore::Node::lastDescendantEv
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org

The following tests are crashing on the GTK release bot:

editing/execCommand/crash-replacing-list-by-list.html
editing/inserting/insert-table-in-paragraph-crash.html

Backtrace:

Thread 1 (Thread 0x7fa8b1456f00 (LWP 29270)):
#0  0x00007fa8c4495a40 in _ZNK7WebCore4Node14lastDescendantEv ()
#1  0x00007fa8c4580614 in _ZN7WebCore23ReplaceSelectionCommand7doApplyEv ()
#2  0x00007fa8c45067c6 in _ZN7WebCore20CompositeEditCommand5applyEv ()
#3  0x00007fa8c4545a04 in _ZN7WebCoreL17executeInsertHTMLERNS_5FrameEPNS_5EventENS_19EditorCommandSourceERKN3WTF6StringE ()
#4  0x00007fa8c44348e2 in _ZN7WebCore8Document11execCommandERKN3WTF6StringEbS4_ ()
#5  0x00007fa8c23f8167 in _ZN7WebCore38jsDocumentPrototypeFunctionExecCommandEPN3JSC9ExecStateE () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#6  0x00007fa8693a3028 in ?? ()
#7  0x00007ffd8e6f51f0 in ?? ()
#8  0x00007fa8be8b028f in llint_entry () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
Backtrace stopped: frame did not save the PC

These are caused by either the upgrade to Debian Stretch (217598), or by r217599. I guess probably the former.

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