[webkit-changes] [WebKit/WebKit] 7dc6d6: Regression(254490 at main): null dereference in Permi...

[Sihui]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 7dc6d6b06a8c4df7f633f39a496b162035dc17ab
      https://github.com/WebKit/WebKit/commit/7dc6d6b06a8c4df7f633f39a496b162035dc17ab
  Author: Sihui Liu <sihui_liu at apple.com>
  Date:   2022-11-01 (Tue, 01 Nov 2022)

  Changed paths:
    M Source/WebCore/Modules/permissions/Permissions.cpp

  Log Message:
  -----------
  Regression(254490 at main): null dereference in Permissions::query
https://bugs.webkit.org/show_bug.cgi?id=247304
rdar://101789656

Reviewed by Wenson Hsieh and Alex Christensen.

When creating PermissionStatus in Permissions::query(), we did not null check document->page() before dereferencing it.

* Source/WebCore/Modules/permissions/Permissions.cpp:
(WebCore::Permissions::query):

Canonical link: https://commits.webkit.org/256209@main