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[SPARK-59508][PYTHON] Harden client safety with restricted unpickle serializer - #58798
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gaogaotiantian wants to merge 1 commit into
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gaogaotiantian wants to merge 1 commit into
gaogaotiantian wants to merge 1 commit into
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What changes were proposed in this pull request?
allowed_namesforCloudPickleSerializer. If specified, it will be the allowlist for unpickling.pickleSerwith a restricted one which only allows unpicklingpstat.Stats.Why are the changes needed?
The client unpickles arbitrary bytes from the server. If the server is compromised, this will behave as a RCE. We should only allow pickling on the data structure we actually use.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
A new test is added to test the restricted unpickler.
Was this patch authored or co-authored using generative AI tooling?
No.