Bug 158935

Summary:	jetsams on brendaneich.com/2015/06/from-asm-js-to-webassembly
Product:	WebKit	Reporter:	Louis Romero <lpromero>
Component:	WebKit Misc.	Assignee:	Nobody <webkit-unassigned>
Status:	REOPENED ---
Severity:	Normal	CC:	jfbastien, kling, rniwa, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	Safari 9
Hardware:	iPhone / iPad
OS:	iOS 9.3

Description Louis Romero 2016-06-20 03:55:48 PDT

Steps to reproduce: 
- Open https://brendaneich.com/2015/06/from-asm-js-to-webassembly/
- Scroll through the page, zoom.

Observed behavior: 
- At some point it crashes.

Expected behavior: 
- No crash.


This is likely an OOM issue where the layout takes too much memory.

Comment 1 JF Bastien 2017-03-22 03:13:35 PDT

I'm not able to repro this issue on trunk.

Comment 2 Louis Romero 2017-03-22 03:54:28 PDT

I repro on Safari iOS 10.2 with iPhone 7 Plus.

Comment 3 Louis Romero 2017-07-04 09:57:41 PDT

I still repro on Safari iOS 11 beta 1, with iPad Pro 12 and iPhone 6S Plus.

Comment 4 Ryosuke Niwa 2017-07-04 10:39:20 PDT

Reproduction steps:
Scroll down to where "JavaScript at 20 / Brendan Eich" slide is and then pinch zoom in & out. WebContent process jetsams.

I can reproduce this on iPhone 7.

Comment 5 Radar WebKit Bug Importer 2017-07-04 10:40:04 PDT

<rdar://problem/33125175>