Bug 191059

Summary:

A memory leak problem in iOS 12 when using WKWebview

Product:

WebKit

Reporter:

Johnson <936642419>

Component:

JavaScriptCore

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED DUPLICATE

Severity:

Normal

CC:

achristensen, joepeck, simon.fraser

Priority:

Version:

WebKit Nightly Build

Hardware:

iPhone / iPad

OS:

iOS 12

Attachments:

Description	Flags
Instruments screenshot	none
Memory Graph	none

Johnson

Reported 2018-10-30 02:43:25 PDT

Created attachment 353358 [details] Instruments screenshot When I use instruments profile my app I found a memory leak in wkwebkit, I just know it about thread lock in JavaScriptCore. this problem in others iOS version is fine except iOS12. The following code will have problems in iOS12: > + WKWebViewConfiguration *configuration = [[WKWebViewConfiguration alloc] init]; > + WKWebView *webView = [[WKWebView alloc] initWithFrame:CGRectZero configuration:configuration]; > + [self.view addSubview:webView];

Attachments
Instruments screenshot (50.99 KB, image/png) 2018-10-30 02:43 PDT, Johnson	no flags	Details
Memory Graph (289.02 KB, image/png) 2018-10-30 18:40 PDT, Johnson	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Johnson

Comment 1 2018-10-30 18:40:42 PDT

Created attachment 353452 [details] Memory Graph Memory graph screenshot

Joseph Pecoraro

Comment 2 2018-10-31 14:44:33 PDT

These look like the known false positive: https://bugs.webkit.org/show_bug.cgi?id=189853 *** This bug has been marked as a duplicate of bug 189853 ***

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