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17 lines
762 B
17 lines
762 B
4 months ago
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diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c
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index 1dd15405d..acc28dd55 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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@@ -818,6 +818,11 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
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if (isEncoder) {
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OPJ_SIZE_T l_tile_data_size;
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+ if (l_tilec->x0 >= l_tilec->x1 || l_tilec->y0 >= l_tilec->y1) {
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+ opj_event_msg(manager, EVT_ERROR, "Invalid tile data\n");
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+ return OPJ_FALSE;
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+ }
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+
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/* compute l_data_size with overflow check */
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OPJ_SIZE_T w = (OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0);
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OPJ_SIZE_T h = (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0);
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