fix(s3): prevent nil upload reader panic - #566
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wolfy-j
approved these changes
Aug 10, 2026
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Bug
S3 multipart uploads could receive a nil
io.Readerand panic inside the AWS SDK, bringing down the runtime.Fix
Validate nil and typed-nil upload readers before invoking the SDK and return a stable cloudstorage error instead.
Tests
make lint, the full race-enabledmake testsuite, and the CLI smoke test.