[BUG] Claude Code freezes at 100% CPU after startup - corrupted config causes infinite loop

Related Claude Code issues

Matched on shared title terms, labels, topic and reported release — ranked so issues with real discussion come first.

• Claude Code freezes with 100% CPU during multi-agent task JSON serialization
  Resolved 💬 38 #4580
• Claude Code freezes in infinite CPU loop after background process is killed
  Resolved 💬 2 v2.1.12 #19420
• 2.1.27: 100% CPU infinite loop on --continue / --resume / session listing
  Resolved 💬 4 v2.1.27 #22061
• [BUG] Claude Code Infinite Loop on Corrupted Project Cache
  Resolved 💬 3 v2.1.27 #22054
• Session resume freezes with 100% CPU due to redundant progress events in session files
  Resolved 💬 9 v2.1.27 #22149
• [BUG] Claude Code v2.1.9 Complete Freeze - 100% CPU, Main Thread Stuck in Infinite Loop (macOS ARM64)
  Open 💬 30 v2.1.9 #18532
• [BUG] Claude Code using 100% of cpu and Memory Resources
  Open 💬 46 #5771
• Claude Code consumes 100%+ CPU when idle in terminal
  Open 💬 11 #17148

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Same class of failure, ranked by community engagement — this issue is one of many, so it may not appear in the visible list: Crashes, hangs & freezes

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