Fix memory leak in HTTP request security handshake cancellation#28971
Merged
apolcyn merged 3 commits intogrpc:masterfrom Mar 1, 2022
Merged
Fix memory leak in HTTP request security handshake cancellation#28971apolcyn merged 3 commits intogrpc:masterfrom
apolcyn merged 3 commits intogrpc:masterfrom
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markdroth
approved these changes
Feb 24, 2022
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Is there any way we can add a test for this? |
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Outside of finding the right concurrency settings in the test to tickle the race more frequently, we could probably coordinate the race with a mock channel creds. I haven't gotten to that yet but I'll look into that. |
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You probably don't need a mock channel creds, just a mock handshaker. You can register a handshaker directly without going through channel creds (example). |
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I put together the mock handshake approach, but I realized that the handshake manager also has shutdown logic which needed to be overridden too, in order to trigger the race. I went with a different approach which I think winds up being simpler. PTAL |
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failures are pre-existing |
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The caller of the Handshake API, owns output arguments if the handshake completes successfully. So there's currently a potential race where a handshake completion can be scheduled successfully but the HTTP request is cancelled before the completion runs.
b/220992477