_dbus_hash_table_new
API 概述
_dbus_hash_table_new 是 libdbus 中的一个API。该规属于api pair 类型。该规则是使用 ChatDetector 生成的。
规则描述
提示
Parameter 3 of _dbus_hash_table_new must be released by calling _dbus_list_clear_full, with the same object passed as the 2-th argument to _dbus_list_clear_full
信息
标签:api pair
参数下标:2
CWE类别:CWE-404
规则代码
import cpp
import semmle.code.cpp.dataflow.new.DataFlow
DataFlow::Node getSource(FunctionCall fc){
fc.getTarget().hasName("_dbus_hash_table_new")
and result.asExpr() = fc.getArgument(2)
}
DataFlow::Node getSink(FunctionCall fc){
fc.getTarget().hasName("_dbus_list_clear_full")
and result.asExpr() = fc.getArgument(1)
}
FunctionCall freeTarget(FunctionCall malloc){
DataFlow::localFlow(getSource(malloc), getSink(result))
}
from FunctionCall fc
where fc.getTarget().hasName("_dbus_hash_table_new")
and not exists(
FunctionCall free|
free = freeTarget(fc)
)
select fc.getLocation()