Changeset 291324 in webkit

Timestamp:

Mar 15, 2022 5:51:40 PM (2 years ago)

Author:

pvollan@apple.com

Message:

Crash under HTMLDocumentParser::didBeginYieldingParser()
​https://bugs.webkit.org/show_bug.cgi?id=237930
<rdar://45607220>

Reviewed by Geoffrey Garen.

Add null pointer check.

No new tests, unable to reproduce.

• html/parser/HTMLDocumentParser.cpp:

(WebCore::HTMLDocumentParser::didBeginYieldingParser):
(WebCore::HTMLDocumentParser::didEndYieldingParser):

Location:

trunk/Source/WebCore

Files:

• ChangeLog (modified) (1 diff)
• html/parser/HTMLDocumentParser.cpp (modified) (1 diff)

trunk/Source/WebCore/ChangeLog

@@ +1 @@
+2022-03-15  Per Arne Vollan  <pvollan@apple.com>
+
+        Crash under HTMLDocumentParser::didBeginYieldingParser()
+        https://bugs.webkit.org/show_bug.cgi?id=237930
+        <rdar://45607220>
+
+        Reviewed by Geoffrey Garen.
+
+        Add null pointer check.
+
+        No new tests, unable to reproduce.
+
+        * html/parser/HTMLDocumentParser.cpp:
+        (WebCore::HTMLDocumentParser::didBeginYieldingParser):
+        (WebCore::HTMLDocumentParser::didEndYieldingParser):
+
 2022-03-15  Sihui Liu  <sihui_liu@apple.com>
 

trunk/Source/WebCore/html/parser/HTMLDocumentParser.cpp

@@ -162 +162 @@
 void HTMLDocumentParser::didBeginYieldingParser()
 {
-    m_parserScheduler->didBeginYieldingParser();
+    if (m_parserScheduler)
+        m_parserScheduler->didBeginYieldingParser();
 }
 
 void HTMLDocumentParser::didEndYieldingParser()
 {
-    m_parserScheduler->didEndYieldingParser();
+    if (m_parserScheduler)
+        m_parserScheduler->didEndYieldingParser();
 }