[Webkit-unassigned] [Bug 210794] New: WebKit.WebContent process crashes when web developer tools are opened in Safari

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210794

            Bug ID: 210794
           Summary: WebKit.WebContent process crashes when web developer
                    tools are opened in Safari
           Product: WebKit
           Version: Safari 13
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pmikolajczak at rtclaboratory.com

Created attachment 397076

  --> https://bugs.webkit.org/attachment.cgi?id=397076&action=review

com.apple.WebKit.WebContent crash logs

I am responsible for developing web conference app. My website crashes in Safari browser, but only when I have developer tools opened. After crash, content of the page is reloaded, at the top of the page message is displayed "This web page was reloaded because a problem occurred".

Few things I have noticed:
* I am not able to reproduce this issue on all devices.
* Crash only occurs in Safari. Chrome, Firefox works fine.
* As long developer tools are closed crash won't trigger.
* Currently I am using macOS Catalina 10.15.4 (19E287) but I was able to get crash also on macOS Sierra and older version of Safari.

Logs from macOS console in attachment. They show that com.apple.WebKit.WebContent process crashes.

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