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Fix buffer overflow if VPOS out of range

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Amiga crash may cause vsync to be lost, causing dma_record[] overflow.
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Waccoon 2023-11-11 03:28:45 -05:00 committed by GitHub
parent c431e3b76b
commit 4152493d97
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1 changed files with 2 additions and 0 deletions
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debug.cpp
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@ -2219,6 +2219,8 @@ struct dma_rec *last_dma_rec;
void record_dma_read_value_pos(uae_u32 v, int hpos, int vpos)
{
hpos += dma_record_hoffset;
if (hpos >= NR_DMA_REC_HPOS || vpos >= NR_DMA_REC_VPOS)
return;
struct dma_rec *dr = &dma_record[dma_record_toggle][vpos * NR_DMA_REC_HPOS + hpos];
last_dma_rec = dr;
record_dma_read_value(v);