Moe Charm (CI)
9f32de4892
Fix: free() invalid pointer crash (partial fix - 0% → 60% success)
**問題:**
- 100% crash rate: "free(): invalid pointer"
- 全実行で glibc abort
**根本原因 (Task agent ultrathink 発見):**
`core/box/hak_free_api.inc.h:84`
```c
if (hdr->magic != HAKMEM_MAGIC) {
__libc_free(ptr); // ← BUG! ptr is user pointer (after header)
}
```
**メモリレイアウト:**
```
Allocation: malloc(HEADER_SIZE + size) → returns (raw + HEADER_SIZE)
[Header][User Data............]
^raw ^ptr
Free: __libc_free(ptr) ← ✗ 間違い！ raw を free すべき
```
**修正内容:**
Line 84: `__libc_free(ptr)` → `free(raw)`
- Header corruption 時に正しいアドレスを free
**効果:**
```
Before: 0/5 success (100% crash)
After: 3/5 success (60% crash)
```
**残存問題:**
- まだ 40% でクラッシュする
- 別のバグが存在（double-free or cross-thread corruption?）
- 次: ASan + Task agent ultrathink で追加調査
**テスト結果:**
```bash
Run 1: 4.19M ops/s ✅
Run 2: 4.19M ops/s ✅
Run 3: crash ❌
Run 4: 4.19M ops/s ✅
Run 5: crash ❌
```
**調査協力:** Task agent (ultrathink mode)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-07 02:25:12 +09:00
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