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security holes fixed

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This commit is contained in:
Li Haokun
2021-08-19 17:54:36 +08:00
committed by GitHub
parent b2f09ec855
commit 1982ab6b8e
6 changed files with 96 additions and 90 deletions
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nasal_gc.h
+2 -2
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@@ -264,11 +264,11 @@ std::string nasal_val::to_string()
struct nasal_gc
{
#define STACK_MAX_DEPTH (4080)
#define STACK_MAX_DEPTH (4095)
nasal_ref zero_addr; // reserved address of nasal_val,type vm_num, 0
nasal_ref one_addr; // reserved address of nasal_val,type vm_num, 1
nasal_ref nil_addr; // reserved address of nasal_val,type vm_nil
nasal_ref val_stack[STACK_MAX_DEPTH+16];// 16 reserved to avoid stack overflow
nasal_ref val_stack[STACK_MAX_DEPTH+1];// 1 reserved to avoid stack overflow, stack grows 1 each time
nasal_ref* stack_top; // stack top
std::vector<nasal_ref> num_addrs; // reserved address for const vm_num
std::vector<nasal_ref> str_addrs; // reserved address for const vm_str