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feat: support thread-local callstack hashes for QEMU#3755

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yoursanonymous wants to merge 1 commit intoAFLplusplus:mainfrom
yoursanonymous:qemu-issue
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feat: support thread-local callstack hashes for QEMU#3755
yoursanonymous wants to merge 1 commit intoAFLplusplus:mainfrom
yoursanonymous:qemu-issue

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Description

  • Resolves: // TODO support multiple threads with thread local callstack (line 494)
  • ThreadLocal is already used in libafl_qemu (FullBacktraceCollector, snapshot.rs) consistent with existing patterns.
  • QEMU runs inside a single process, so thread local slots persist for the fuzzer's lifetime with no cleanup needed.

Checklist

  • I have run ./scripts/precommit.sh and addressed all comments

@yoursanonymous yoursanonymous changed the title qemu feat: support thread-local callstack hashes for QEMU Mar 14, 2026
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