tree a5beeb2dbb37db5bd34b92e2bed5a31032547232
parent e4bc0a5432aef3488f409765bd3bbeb861f2c868
author cdumez@apple.com <cdumez@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1575589998 +0000
committer cdumez@apple.com <cdumez@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1575589998 +0000

[IPC] Fail BackForwardItemIdentifier decoding if the decoded integer is not a valid ID
https://bugs.webkit.org/show_bug.cgi?id=204920
<rdar://problem/57677453>

Reviewed by Ryosuke Niwa.

Source/WebCore:

* history/BackForwardItemIdentifier.h:
(WebCore::BackForwardItemIdentifier::decode):

Source/WebKit:

* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::willGoToBackForwardListItem):
(WebKit::WebPageProxy::backForwardGoToItemShared):
* UIProcess/WebProcessProxy.cpp:
(WebKit::WebProcessProxy::updateBackForwardItem):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@253181 268f45cc-cd09-0410-ab3c-d52691b4dbfc