Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: d3aa327426eba5376a8fc0d633824d92fde07562
      
https://github.com/WebKit/WebKit/commit/d3aa327426eba5376a8fc0d633824d92fde07562
  Author: Charlie Wolfe <[email protected]>
  Date:   2026-01-14 (Wed, 14 Jan 2026)

  Changed paths:
    M Source/WebCore/page/PrintContext.cpp

  Log Message:
  -----------
  Crash in `computePageRectsWithPageSizeInternal`
https://bugs.webkit.org/show_bug.cgi?id=305491
rdar://78660161

Reviewed by Pascoe.

computePageRects only validated pageHeight, not pageWidth. When 
resizePageRectsKeepingRatio returns zero
width (e.g., if no renderer), we may divide by zero in 
computePageRectsWithPageSizeInternal, causing a
crash when the vector tries to allocate with the resulting size.

* Source/WebCore/page/PrintContext.cpp:
(WebCore::PrintContext::computePageRects):

Canonical link: https://commits.webkit.org/305593@main



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