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[Bugfix](stack_over_flow) fix be may core dump because of stack-buffer-overflow when TBrokerOpenReaderResponse too large (#12658)

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This commit is contained in:
Zhengguo Yang
2022-09-16 20:57:22 +08:00
committed by GitHub
parent a3fee5afbb
commit b733a23cf7
2 changed files with 23 additions and 12 deletions
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17
be/src/exprs/bitmap_function.cpp
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@ -822,10 +822,19 @@ void BitmapFunctions::orthogonal_bitmap_count_merge(FunctionContext* context, co
// finalize for ORTHOGONAL_BITMAP_UNION_COUNT(bitmap)
BigIntVal BitmapFunctions::orthogonal_bitmap_count_finalize(FunctionContext* context,
const StringVal& src) {
auto* pval = reinterpret_cast<int64_t*>(src.ptr);
int64_t result = *pval;
delete pval;
return result;
if (src.is_null) {
return BigIntVal::null();
} else if (src.len == sizeof(int64_t)) {
auto* pval = reinterpret_cast<int64_t*>(src.ptr);
BigIntVal result = BigIntVal(*pval);
delete pval;
return result;
} else {
auto src_bitmap = reinterpret_cast<BitmapValue*>(src.ptr);
BigIntVal result = BigIntVal(src_bitmap->cardinality());
delete src_bitmap;
return result;
}
}
// This is a serialize function for orthogonal_bitmap_intersect_count(bitmap,t,t).