Reads returns a result with an exception set, leading to a SystemError #206
Description
The below code raises a SystemError when provided with the following input. This indicates unexpected behavior, as the function returns with an error set, yet the return value is not NULL.
import hiredis
import sys
data = open(sys.argv[1], "rb").read().decode("utf-8")
r = hiredis.Reader()
r.feed(data)
r.gets()
Environment Info
Commit: 5b34a0e
POC File:
https://github.com/FuturesLab/POC/blob/main/hiredis-py/poc-02
To reproduce
python3 <filename>.py poc-02
Stack Trace
TypeError: unhashable type: 'dict'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "rep.py", line 7, in <module>
r.gets()
SystemError: <class 'hiredis.ProtocolError'> returned a result with an exception set