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avoid invalid memory in sceMp3ReserveMp3Handle

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This commit is contained in:
sum2012 2014-02-15 07:28:52 +08:00
parent 95af98b503
commit 63adafd967
1 changed files with 10 additions and 7 deletions
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17
Core/HLE/sceMp3.cpp
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@ -323,13 +323,16 @@ u32 sceMp3ReserveMp3Handle(u32 mp3Addr) {
memset(ctx, 0, sizeof(Mp3Context));
ctx->mp3StreamStart = Memory::Read_U64(mp3Addr);
ctx->mp3StreamEnd = Memory::Read_U64(mp3Addr+8);
ctx->mp3Buf = Memory::Read_U32(mp3Addr+16);
ctx->mp3BufSize = Memory::Read_U32(mp3Addr+20);
ctx->mp3PcmBuf = Memory::Read_U32(mp3Addr+24);
ctx->mp3PcmBufSize = Memory::Read_U32(mp3Addr+28);
if (!Memory::IsValidAddress(mp3Addr))
WARN_LOG(ME, "sceMp3ReserveMp3Handle invalid address")
else {
ctx->mp3StreamStart = Memory::Read_U64(mp3Addr);
ctx->mp3StreamEnd = Memory::Read_U64(mp3Addr + 8);
ctx->mp3Buf = Memory::Read_U32(mp3Addr + 16);
ctx->mp3BufSize = Memory::Read_U32(mp3Addr + 20);
ctx->mp3PcmBuf = Memory::Read_U32(mp3Addr + 24);
ctx->mp3PcmBufSize = Memory::Read_U32(mp3Addr + 28);
}
ctx->readPosition = ctx->mp3StreamStart;
ctx->mp3MaxSamples = ctx->mp3PcmBufSize / 4 ;