Bug 196906

Summary: Web process spins and 'this webpage is using significant memory' banner appears when loading a large PDF in an <img> element
Product: WebKit Reporter: Andy Estes <aestes>
Component: PDFAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: simon.fraser, thorton, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Mac   
OS: Unspecified   
Attachments:
Description Flags
tall-pdf none

Andy Estes
Reported 2019-04-14 09:09:59 PDT
Created attachment 367401 [details] tall-pdf When loading the attached (very tall) single-page PDF in an <img> element, the web process spins for a long time and eventually Safari displays the 'this webpage is using significant memory' banner. Steps to reproduce: 1. Download the 'tall-pdf' attachment, unzip it, and open tall-pdf.html in Safari. Occurs: Safari Technology Preview 79 on macOS 10.14.4
Attachments
tall-pdf (855.14 KB, application/zip)
2019-04-14 09:09 PDT, Andy Estes 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2019-04-14 09:13:49 PDT
<rdar://problem/49885955>
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