[Webkit-unassigned] [Bug 162334] New: WebContent process crashes with JetSamEvent in diagnostics

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=162334

            Bug ID: 162334
           Summary: WebContent process crashes with JetSamEvent in
                    diagnostics
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: iPhone / iPad
                OS: iOS 10
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: erezg at microsoft.com

Created attachment 289441
  --> https://bugs.webkit.org/attachment.cgi?id=289441&action=review
full jetsam event from device

On low-end devices such as iPhone 5c and iPad 4th generation the web content process crashes when a WKWebView loads complex SVG content.
This sometimes also causes a crash of the UI thread as seen in - https://bugs.webkit.org/show_bug.cgi?id=162265

Attached is one of the jetsam events that was added to the diagnostics following the crash.
No crash dump of the WebContent process itself, but the jetsam event says it's related to vm page shortage.

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