1berry/ruby
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Check builtin inline function index overflow

Browse Source
This commit is contained in:
Nobuyoshi Nakada 2020-10-03 00:11:03 +09:00
parent 6aa466ba9c
commit 5a665f6ce7
No known key found for this signature in database
GPG Key ID: 7CD2805BFA3770C6
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
compile.c
View File

@ -7294,7 +7294,7 @@ compile_call(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, co
return COMPILE_NG; return COMPILE_NG;
} }
else { else {
char inline_func[0x20]; char inline_func[DECIMAL_SIZE_OF_BITS(sizeof(int) * CHAR_BIT) + 1];
bool cconst = false; bool cconst = false;
retry:; retry:;
const struct rb_builtin_function *bf = iseq_builtin_function_lookup(iseq, builtin_func); const struct rb_builtin_function *bf = iseq_builtin_function_lookup(iseq, builtin_func);
@ -7325,8 +7325,11 @@ compile_call(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, co
return COMPILE_NG; return COMPILE_NG;
} }
if (GET_VM()->builtin_inline_index == INT_MAX) {
rb_bug("builtin inline function index overflow:%s", builtin_func);
}
int inline_index = GET_VM()->builtin_inline_index++; int inline_index = GET_VM()->builtin_inline_index++;
snprintf(inline_func, 0x20, "_bi%d", inline_index); snprintf(inline_func, sizeof(inline_func), "_bi%d", inline_index);
builtin_func = inline_func; builtin_func = inline_func;
args_node = NULL; args_node = NULL;
goto retry; goto retry;