fix: SG-43711: out-of-bounds access in audioFillBuffer - #1302
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June 10, 2026 04:33
Insert silence when sourceIndex is invalid instead of accessing the audio sources array out of bounds. Signed-off-by: Mark Reid <markreid@netflixanimation.com>
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PR: Acknowledged
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Linked issues
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Summarize your change.
Fix an out-of-bounds array access in
SequenceIPNode::audioFillBufferwhensourceIndexis invalid. Instead of accessing the audio sources array with a bad index, insert silence.Describe the reason for the change.
Identified by AddressSanitizer.
SequenceIPNode::audioFillBuffercan accessm_rangeInfosandinputs()out of bounds whensourceIndexis invalid. The fix validates the index before use and inserts silence for invalid sources instead of crashing.Describe what you have tested and on which operating system.
Tested on Rocky Linux 9.
Add a list of changes, and note any that might need special attention during the review.
SequenceIPNode.cpp: Add bounds check forsourceIndexinaudioFillBuffer; insert silence when the index is invalid.If possible, provide screenshots.
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