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whisper.cpp
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Merge a075929b91 into 1fe009caed

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Sebastián Alba 2026-08-16 21:43:04 -07:00 committed by GitHub
parent 1fe009caed a075929b91
commit 40f3f8adc8
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1 changed files with 17 additions and 1 deletions
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src/whisper.cpp
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@ -1580,7 +1580,23 @@ static bool whisper_model_load(struct whisper_model_loader * loader, whisper_con
read_safe(loader, filters.n_mel);
read_safe(loader, filters.n_fft);
filters.data.resize(filters.n_mel * filters.n_fft);
// Validate dimensions to prevent integer overflow in the resize() multiplication
// below and to ensure consistency with hparams.n_mels.
if (filters.n_mel <= 0 || filters.n_mel > 1024 ||
filters.n_fft <= 0 || filters.n_fft > WHISPER_N_FFT) {
WHISPER_LOG_ERROR("%s: invalid mel filter dimensions (n_mel=%d, n_fft=%d)\n",
__func__, filters.n_mel, filters.n_fft);
return false;
}
if (filters.n_mel != hparams.n_mels) {
WHISPER_LOG_ERROR("%s: mel filter n_mel=%d does not match hparams n_mels=%d\n",
__func__, filters.n_mel, hparams.n_mels);
return false;
}
const size_t total_size = (size_t)filters.n_mel * (size_t)filters.n_fft;
filters.data.resize(total_size);
loader->read(loader->context, filters.data.data(), filters.data.size() * sizeof(float));
BYTESWAP_FILTERS(filters);
}