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d35cd06199
Replace atol with pg_strtoint32_safe in the backend parser and with strtoint in ECPG to reject overflows when parsing the number of a positional parameter. With atol from glibc, parameters $2147483648 and $4294967297 turn into $-2147483648 and $1, respectively. Author: Erik Wienhold <ewie@ewie.name> Reviewed-by: Michael Paquier <michael@paquier.xyz> Reviewed-by: Peter Eisentraut <peter@eisentraut.org> Reviewed-by: Alexander Lakhin <exclusion@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/5d216d1c-91f6-4cbe-95e2-b4cbd930520c@ewie.name