Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 6b0c696557568ae8aa82875fcac5fbd496510ab4
https://github.com/WebKit/WebKit/commit/6b0c696557568ae8aa82875fcac5fbd496510ab4
Author: Vassili Bykov <[email protected]>
Date: 2025-06-27 (Fri, 27 Jun 2025)
Changed paths:
M Source/JavaScriptCore/jsc.cpp
Log Message:
-----------
functionGenerateHeapSnapshot should expect an OOM exception in JSONParse
rdar://150692273
https://bugs.webkit.org/show_bug.cgi?id=294991
Reviewed by Keith Miller.
The crash reported in the radar is an assertion failure that may happen in
`functionGenerateHeapSnapshot` when it calls `JSONParse` to parse a json
string. The call
is followed by an assertion that no exception was thrown. However, in low memory
conditions parsing may legitimately throw an OutOfMemory exception. This
happens in ASAN
builds when they run the test case reported in the radar. In non-ASAN builds
OOM is not
thrown when running the same test case.
The patch changes the shapshot function to expect and propagate exceptions
thrown in the
parse call.
* Source/JavaScriptCore/jsc.cpp:
(JSC_DEFINE_HOST_FUNCTION):
Canonical link: https://commits.webkit.org/296739@main
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