fix blockstore panic #1570
fix blockstore panic #1570
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WalkthroughThe pull request introduces modifications to two files: In In These changes appear to be focused on enhancing error handling and control flow in specific read and request processing scenarios within the codebase. Tip CodeRabbit's docstrings feature is now available as part of our Early Access Program! Simply use the command 🪧 TipsChatThere are 3 ways to chat with CodeRabbit:
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Actionable comments posted: 0
🧹 Nitpick comments (1)
pkg/wshutil/wshrpc.go (1)
345-348: LGTM: Proper panic handling for RPC requestsThe addition of panic handling around the goroutine ensures that individual RPC request failures won't crash the server. This is a critical improvement for system stability.
Consider implementing a circuit breaker pattern if you notice repeated panics from specific RPC commands, to temporarily disable problematic endpoints.
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (2)
pkg/filestore/blockstore_cache.go(1 hunks)pkg/wshutil/wshrpc.go(1 hunks)
🔇 Additional comments (1)
pkg/filestore/blockstore_cache.go (1)
230-232: LGTM: Early validation prevents potential panic
The added check for size <= 0 is a good defensive programming practice that prevents potential panics when reading from circular files. The early return with realDataOffset maintains consistency with the method's contract.
Let's verify the impact of this change:
✅ Verification successful
Based on the gathered information, I can now provide the final response:
Verified: The early return for size <= 0 is safe and consistent with the method's contract
The code analysis reveals that:
- The
readAtmethod is used in three scenarios:ReadAt,ReadFile, andcompactIJsonoperations - The size <= 0 condition can only occur for circular files when the requested offset is behind the real data offset
- The early return with
realDataOffsetmaintains consistency with the method's contract, which expects(realOffset, data, error)as return values - All callers properly handle the nil data return through error checking
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check for potential callers that might be affected by the early return
# Look for readAt calls and their error handling
# Search for direct calls to readAt
rg -A 5 "readAt\("
# Search for potential error handling patterns around readAt
rg -A 5 "if.*err.*readAt"
Length of output: 1383
Script:
#!/bin/bash
# Let's analyze the readAt method implementation and its callers more thoroughly
# First, let's get the full context of readAt method
ast-grep --pattern 'func (entry *CacheEntry) readAt($$$) {
$$$
}'
# Then, let's check for any error handling patterns in the files that call readAt
rg -B 5 -A 10 "entry\.readAt\(" pkg/filestore/blockstore.go
# Also check for any tests that might verify this behavior
fd "test.*\.go" --exec rg -l "readAt"
Length of output: 1453
Script:
#!/bin/bash
# Let's get the full implementation of readAt to understand the context better
rg -B 10 -A 50 "func \(entry \*CacheEntry\) readAt" pkg/filestore/blockstore_cache.go
# And check if there are any tests specifically for size <= 0 cases
rg -B 5 -A 10 "size.*<=.*0|readAt.*0.*0" pkg/filestore/blockstore_test.go
Length of output: 1956
No description provided.