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Thanks for this pull request. It looks fine to me. |
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Merged into dev branch (dev_2026q1). |
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Description:
This PR addresses a strict memory safety issue in
speex_echo_state_init_mcwhere internal buffer allocations were not being checked for failure.Changes:
Added NULL checks for all internal memory allocations (st->e, st->x, st->input, etc.) in
lib/speexdsp/libspeexdsp/mdf.cImplemented a proper cleanup mechanism: if any allocation fails,
speex_echo_state_destroyis called to free previously allocated memory, and NULL is returned.Updated speex_echo_state_destroy to safely handle NULL for st->fft_table to prevent crashes during error recovery.
Impact: Prevents potential null pointer dereferences and crashes in low-memory environments.
Related Issue: #82