[Webkit-unassigned] [Bug 183406] New: Some Amazon ads cause WebKit to hang

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=183406

            Bug ID: 183406
           Summary: Some Amazon ads cause WebKit to hang
           Product: WebKit
           Version: WebKit Local Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Animations
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dswaner at verizon.net
                CC: dino at apple.com

Some Amazon ads cause WebKit to hang with 99% cpu usage - as shown by "top" command for WebKitProces.

Fedora Linux:
epiphany-runtime-3.26.6-1.fc27.x86_64
webkitgtk4-2.18.6-1.fc27.x86_64
RedHat Linux Bugzilla 1551610 - epiphany (WebKit) hangs with 99% cpu for certain web pages

Bug is very reproducible.

Steps to reproduce:
1) Turn off ad blocking in epiphany browser
2) Go to URL https://www.amazon.com/Dragons-Egg-Dragon-Eggs-Book-ebook/dp/B01JOL7BKC/ref=sr_1_1?s=digital-text&ie=UTF8&qid=1520258748&sr=1-1&keywords=dragon%27s+egg+Sorensen

This URL is not unique - it is the ads which are causing the hang - viewing other Kindle books (and probably other items) will also cause a hang (sometimes).  Not all ads may cause a hang.

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