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audio: prevent ATRAC9 vibration configuration heap corruption

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This commit is contained in:
nmzik
2026-09-28 21:17:43 +04:00
parent 4cf456fb77
commit b10bd53dd3
4 changed files with 99 additions and 12 deletions
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src/libs/ngs2.cpp
+2 -5
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@@ -1865,13 +1865,10 @@ static bool Ngs2FourCcEquals(const uint8_t* data, const char* four_cc) {
return std::memcmp(data, four_cc, 4) == 0;
}
static bool Ngs2GetAtrac9CodecInfo(std::array<uint8_t, ATRAC9_CONFIG_DATA_SIZE> config,
static bool Ngs2GetAtrac9CodecInfo(const std::array<uint8_t, ATRAC9_CONFIG_DATA_SIZE>& config,
Atrac9CodecInfo& codec) {
if (config[0] != 0xfe || (config[1] & 1u) != 0 || ((config[1] >> 1u) & 7u) >= 6u) {
return false;
}
void* decoder = Atrac9GetHandle();
const bool valid = decoder != nullptr && Atrac9InitDecoder(decoder, config.data()) == 0 &&
const bool valid = decoder != nullptr && Ajm::AjmAt9InitDecoder(decoder, config.data()) == 0 &&
Atrac9GetCodecInfo(decoder, &codec) == 0 && codec.channels > 0 &&
codec.samplingRate > 0 && codec.superframeSize > 0 &&
codec.framesInSuperframe > 0 && codec.frameSamples > 0 &&