[Webkit-unassigned] [Bug 206572] New: KeyedDecoderGeneric crashes when it accesses a data with empty string key.
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Jan 21 23:28:42 PST 2020
https://bugs.webkit.org/show_bug.cgi?id=206572
Bug ID: 206572
Summary: KeyedDecoderGeneric crashes when it accesses a data
with empty string key.
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Platform
Assignee: webkit-unassigned at lists.webkit.org
Reporter: Takashi.Komori at sony.com
When KeyedDecoderGeneric decodes a record associated with empty string key, it tries to add a record to a HashMap with null string (not empty string) but adding HashMap fails because HashMap can't treat null string as a key.
While adding a record with null string key, StringHash::hash() crashes by accessing null pointer.
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