lightninglabs / lightninglabs/pool

rpcserver: crash in case client fails to parse batch

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bug
Dominant language
Go
Stars
259
Forks
51
PR merge metrics
No merged PRs in 30d

Description

If the server sends a batch that the client is unable to parse (https://github.com/lightninglabs/pool/blob/073fe0d369e1e544e0752a1f804a5851fefb71bf/rpcserver.go#L362), we will crash when attempting to use the nil batch struct in the reject message: https://github.com/lightninglabs/pool/blob/073fe0d369e1e544e0752a1f804a5851fefb71bf/rpcserver.go#L1447

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First steps

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  4. Open a pull request that references the issue number.

Research direction

Start in rpcserver.go at the batch handling around line 362 and the reject-message logic around line 1447. Trace the client-parse-failure path and verify that it no longer crashes when the batch is nil while producing the intended rejection response.

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Assessment

Tech stack
go
Domain
api
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
35/100

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