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Prevent buffer overflow in type array allocation #237

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Merged
merged 1 commit into from
Aug 7, 2025
Merged

Prevent buffer overflow in type array allocation #237

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2 changes: 1 addition & 1 deletion src/defs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@
#define MAX_PARAMS 8
#define MAX_LOCALS 1600
#define MAX_FIELDS 64
#define MAX_TYPES 64
#define MAX_TYPES 128
#define MAX_IR_INSTR 60000
#define MAX_BB_PRED 128
#define MAX_BB_DOM_SUCC 64
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4 changes: 4 additions & 0 deletions src/globals.c
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Expand Up @@ -721,6 +721,10 @@ int find_macro_param_src_idx(char *name, block_t *parent)

type_t *add_type(void)
{
if (types_idx >= MAX_TYPES) {
printf("Error: Maximum number of types (%d) exceeded\n", MAX_TYPES);
abort();
}
return &TYPES[types_idx++];
}

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