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extmod/moductypes: Be more defensive with uctypes_struct_agg_size args.
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Eliminates read-beyond-end when calling `uctypes_struct_agg_size()` on the length 1 tuple (uctypes.ARRAY ,). Signed-off-by: Duncan Lowther <Duncan.Lowther@glasgow.ac.uk>
This commit is contained in:
Duncan Lowther
committed by
Damien George
Damien George
parent
1f601e8987
commit
8a56be6660
+1
-1
@@ -155,7 +155,7 @@ static inline mp_uint_t uctypes_struct_scalar_size(int val_type) {
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// Get size of aggregate type descriptor
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static mp_uint_t uctypes_struct_agg_size(mp_obj_tuple_t *t, int layout_type, mp_uint_t *max_field_size) {
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if (t->len == 0) {
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if (t->len < 2) {
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syntax_error();
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}
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