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choose-fonts kitten: Fix error with invalid fonts containing no or undersized STAT table. Fixes #8795

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Kovid Goyal 2025-07-10 08:20:32 +05:30
parent 697805765e
commit 652921c7d3
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GPG key ID: 06BC317B515ACE7C
1 changed files with 4 additions and 2 deletions
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6
kitty/font-names.c
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@ -209,8 +209,10 @@ read_STAT_font_table(const uint8_t *table, size_t table_len, PyObject *name_look
RAII_PyObject(design_axes, PyTuple_New(0));
RAII_PyObject(multi_axis_styles, PyTuple_New(0));
if (!design_axes || !multi_axis_styles) return false;
if (table_len < 20) goto ok;
if (table_len < 20) {
if (PyDict_SetItemString(output, "elided_fallback_name", PyUnicode_FromString("")) != 0) return false;
goto ok;
}
const uint16_t *p = (uint16_t*)table;
uint16_t major_version = next, minor_version = next, size_of_design_axis_entry = next, count_of_design_axis_entries = next;
const uint32_t *p32 = (uint32_t*)p;