8355214135
When superslab_refill() fails in the inner loop, tls->ss can remain NULL even when produced > 0 (from earlier successful allocations). This caused a segfault at high iteration counts (>500K) in the random_mixed benchmark. Root cause: Line 353 calls ss_active_add(tls->ss, ...) without checking if tls->ss is NULL after a failed refill breaks the loop. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>