315548 2026-05-25 23:56:03 -0700 [GStreamer][2.52.x] Unsafe buffer usage warnings with Clang 22 in FFTFrameGStreamer.cpp 2026-05-26 00:28:11 -0700 1 1 1 Unclassified WebKit Media Other Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=309980 InRadar P2 Normal --- 1 aperez aperez webkit-bug-importer oldest_to_newest 2214033 0 aperez 2026-05-25 23:56:03 -0700 Building WebKitGTK 2.52.2 (or from the tip of the webkitglib/2.52 branch) with Clang 22.1.5 produces the following warnings: /home/aperez/devel/WebKit-2.52/Source/WebCore/platform/audio/gstreamer/FFTFrameGStreamer.cpp:97:23: warning: direct access using operator[] on std::unique_ptr<T[]> is unsafe due to lack of bounds checking [-Wunsafe-buffer-usage-in-unique-ptr-array-access] 97 | imagData[i] = m_complexData[i].i; | ^~~~~~~~~~~~~~~~ /home/aperez/devel/WebKit-2.52/Source/WebCore/platform/audio/gstreamer/FFTFrameGStreamer.cpp:98:23: warning: direct access using operator[] on std::unique_ptr<T[]> is unsafe due to lack of bounds checking [-Wunsafe-buffer-usage-in-unique-ptr-array-access] 98 | realData[i] = m_complexData[i].r; | ^~~~~~~~~~~~~~~~ /home/aperez/devel/WebKit-2.52/Source/WebCore/platform/audio/gstreamer/FFTFrameGStreamer.cpp:108:9: warning: direct access using operator[] on std::unique_ptr<T[]> is unsafe due to lack of bounds checking [-Wunsafe-buffer-usage-in-unique-ptr-array-access] 108 | m_complexData[i].i = imagData[i]; | ^~~~~~~~~~~~~~~~ /home/aperez/devel/WebKit-2.52/Source/WebCore/platform/audio/gstreamer/FFTFrameGStreamer.cpp:109:9: warning: direct access using operator[] on std::unique_ptr<T[]> is unsafe due to lack of bounds checking [-Wunsafe-buffer-usage-in-unique-ptr-array-access] 109 | m_complexData[i].r = realData[i]; | ^~~~~~~~~~~~~~~~ 2214038 1 aperez 2026-05-26 00:13:26 -0700 This was already fixed in the “main” branch in revision 309309@main -- we can just backport the fix. 2214042 2 aperez 2026-05-26 00:28:00 -0700 (In reply to Adrian Perez from comment #1) > This was already fixed in the “main” branch in revision 309309@main -- we > can just backport the fix. Backport done in https://commits.webkit.org/305877.679@webkitglib/2.52 2214043 3 webkit-bug-importer 2026-05-26 00:28:11 -0700 <rdar://problem/177926019>