[Webkit-unassigned] [Bug 241012] New: WPE aborts in RaspberryPi 4 with: "The renderer process ran out of memory"

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=241012

            Bug ID: 241012
           Summary: WPE aborts in RaspberryPi 4 with: "The renderer
                    process ran out of memory"
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mafm at igalia.com

About 30 seconds after starting the browser, even with simple internal pages like "webkit://gpu", the renderer aborts.

The error reported within the browser window and the terminal is:

  11(cog:717): Cog-Core-WARNING **: 13:54:54.429: <webkit://gpu/> Out of memory!: The renderer process ran out of memory. You may try reloading the page to restart it.

This happens on 32-bit builds for RaspberryPi4, Zan Dobersek traced it to:
https://github.com/WebKit/WebKit/blob/main/Source/WTF/wtf/MemoryPressureHandler.cpp#L98

... using sizes larger than size_t in 32-bits, and overflowing and getting to size=0 when adding 7+1GB when tabCount=1.

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