Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 6a616251c48f7ff3bed68e4281a17f06a574cd41
https://github.com/WebKit/WebKit/commit/6a616251c48f7ff3bed68e4281a17f06a574cd41
Author: Wenson Hsieh <wenson_hs...@apple.com>
Date: 2024-01-29 (Mon, 29 Jan 2024)
Changed paths:
M Source/WebKit/Shared/DocumentEditingContext.serialization.in
Log Message:
-----------
IPC validation for DocumentEditingContext::Range should not crash on overflow
https://bugs.webkit.org/show_bug.cgi?id=268300
rdar://121859057
Reviewed by Chris Dumez.
It's currently possible to crash the UI process by having it attempt to decode a
`DocumentEditingContext::Range` that overflows the `uint64_t` limit. This is
because the validator
currently creates a `Checked<uint64_t>`, which (by default) uses the
`CrashOnOverflow` handler. This
should use `RecordOverflow` instead, which we can get by adopting the
`CheckedUint64` type alias.
* Source/WebKit/Shared/DocumentEditingContext.serialization.in:
Canonical link: https://commits.webkit.org/273671@main
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