tree c9ac9941f21571232d5abb01834ab61a6159b3d2
parent 8c1a5705b7d46f83cb26ec7d28f682a2792e4546
author cdumez@apple.com <cdumez@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1575589921 +0000
committer cdumez@apple.com <cdumez@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1575589921 +0000

[IPC] Fail PAL::SessionID decoding if the decoded integer is not a valid session ID
https://bugs.webkit.org/show_bug.cgi?id=204917
<rdar://problem/53418119>

Reviewed by Ryosuke Niwa.

Fail PAL::SessionID IPC decoding if the decoded integer is not a valid session ID.
This makes our IPC more robust to bad input and makes sure we don't try to lookup
an invalid sessionID from a HashMap as a result of a bad IPC.

* pal/SessionID.h:
(PAL::SessionID::decode):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@253180 268f45cc-cd09-0410-ab3c-d52691b4dbfc