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The function looped over ii_NumIndexKeyAttrs elements of the skeys array, but one caller (ri_FastPathFlushArray) passes a one-element array since it only handles single-column FKs. The function signature did not communicate this constraint, which static analysis flags as a potential out-of-bounds read. Add an nkeys parameter and assert that it matches ii_NumIndexKeyAttrs, then use it in the loop. The call sites already know the key count. Reported-by: Evan Montgomery-Recht <montge@mianetworks.net> Discussion: https://postgr.es/m/CAEg7pwcKf01FmDqFAf-Hzu_pYnMYScY_Otid-pe9uw3BJ6gq9g@mail.gmail.com |
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