[Webkit-unassigned] [Bug 186682] New: Crash in both StorageProcess and UIProcess when using custom WKWebsiteDataStores for data management

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=186682

            Bug ID: 186682
           Summary: Crash in both StorageProcess and UIProcess when using
                    custom WKWebsiteDataStores for data management
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: beidson at apple.com

Crash in both StorageProcess and UIProcess when using custom WKWebsiteDataStores for data management

-Create a WKWebsiteDataStore pointing to custom paths on disk
-Actually have some ServiceWorker data stored at that location
-Start a fetch or remove operation for SW data
-While the operation is in flight, release the WKWebsiteDataStore (causing it to get deallocated)

This causes the StorageProcess to crash and might also cause the UI process to crash as a result.

Need some protectors.

This was caused by actually removing unused SessionIDs in the StorageProcess which we started doing a few weeks ago.

<rdar://problem/41019893>

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