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fix read memory access

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This commit is contained in:
iasunsea 2023-07-21 00:37:33 +08:00
parent 48a4466631
commit 9a2385d412
1 changed files with 4 additions and 0 deletions
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4
src/cairo-cff-subset.c
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@ -1185,6 +1185,8 @@ cairo_cff_font_read_top_dict (cairo_cff_font_t *font)
goto fail;
element = _cairo_array_index (&index, 0);
if (element == NULL)
return CAIRO_STATUS_NO_MEMORY;
status = cff_dict_read (font->top_dict, element->data, element->length);
if (unlikely (status))
goto fail;
@ -3128,6 +3130,8 @@ _cairo_cff_scaled_font_is_cid_cff (cairo_scaled_font_t *scaled_font)
goto fail2;
element = _cairo_array_index (&index, 0);
if (element == NULL)
goto fail3;
status = cff_dict_read (top_dict, element->data, element->length);
if (unlikely (status))
goto fail3;