[Webkit-unassigned] [Bug 147936] New: WKWebsiteDataStore does not clear cookies from all WKProcessPools

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Aug 12 10:22:42 PDT 2015


https://bugs.webkit.org/show_bug.cgi?id=147936

            Bug ID: 147936
           Summary: WKWebsiteDataStore does not clear cookies from all
                    WKProcessPools
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: shreyasv at chromium.org

Created attachment 258826
  --> https://bugs.webkit.org/attachment.cgi?id=258826&action=review
Sample app that repros this bug

Multiple WKProcessPools can be created in an app.
When -[WKWebsiteDataStore removeDataOfTypes:] is called, it removes cookies from *some* WKProcessPool, and not necessarily from all the WKProcessPools that are currently alive.
Since a WKWebsiteDataStore can have multiple WKProcessPools associated with it, it must remove cookies from all the WKProcessPools.

Steps to Reproduce:
1) Run the attached code.
2) Click on wv1, which will allocate a WKWebView with a WKProcessPool and load a URL.
3) Click on "sc1", which will set a cookie of name, value someCookie1=someValue1
4) Click on "deallocate web views", which will deallocate all WKWebViews
5) Click on wv2, which will allocate a WKWebView with a *different* WKProcessPool and load a URL.
6) Click on "sc2", which will set a cookie of name, value someCookie2=someValue2
7) Click on "deallocate web views", which will deallocate all WKWebViews
8) Click on "Clear cookies"
9) Click on wv1
10) Click on "rc", to read all cookies
11) Click on "deallocate web views"
12) Click on wv2
13) Click on "rc", to read all cookies

Expected Results:
The cookies someCookie1, someCookie2 should be removed

Actual Results:
The cookies someCookie1, someCookie2 are not removed. In some scenarios (when this experiment is run numerous time) only one of the cookies is removed.

Configuration:
Device

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