On Sun, Mar 01, 2026 at 06:10:10PM +0100, Joel Jacobson wrote: > The allocations in src/backend/commands/explain_state.c > used sizeof(char *) instead of sizeof(ExplainExtensionOption), > which could cause a crash if an extension would register > more than 8 extension EXPLAIN options:
Indeed, that's wrong as-is. The problem can be reproduced simply by saving more options into pg_overexplain, as well, leading to the same memory chunk issues. Will fix, thanks for the report. -- Michael
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