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21 lines
982 B
21 lines
982 B
diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c |
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index 9270efe..06eee4e 100644 |
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--- a/third_party/libopenjpeg20/tcd.c |
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+++ b/third_party/libopenjpeg20/tcd.c |
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@@ -706,9 +706,16 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, |
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l_tx0 = l_cp->tx0 + p * l_cp->tdx; /* can't be greater than l_image->x1 so won't overflow */ |
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l_tile->x0 = (OPJ_INT32)opj_uint_max(l_tx0, l_image->x0); |
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l_tile->x1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, l_cp->tdx), l_image->x1); |
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+ if (l_tile->x0 < 0 || l_tile->x1 < 0) { |
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+ return OPJ_FALSE; |
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+ } |
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+ |
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l_ty0 = l_cp->ty0 + q * l_cp->tdy; /* can't be greater than l_image->y1 so won't overflow */ |
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l_tile->y0 = (OPJ_INT32)opj_uint_max(l_ty0, l_image->y0); |
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l_tile->y1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, l_cp->tdy), l_image->y1); |
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+ if (l_tile->y0 < 0 || l_tile->y1 < 0) { |
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+ return OPJ_FALSE; |
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+ } |
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/* testcase 1888.pdf.asan.35.988 */ |
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if (l_tccp->numresolutions == 0) {
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