Hypothesis: SVs are owned by the tread in which they were created. When a thread exits, any SVs it owns are freed.

By the way, using a string buffer to store a pointer is a waste. An IV is guaranteed to be big enough. Or you can use the PV itself (using SvPV_set) if you set LEN to zero.

In reply to Re^3: semi-panic: attempt to dup freed string? by ikegami
in thread semi-panic: attempt to dup freed string? by BrowserUk

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