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ef9bf35936
warn_or_exit_horribly() was blithely passing a potentially-NULL string pointer to a %s format specifier. That works (at least to the extent of not crashing) on some platforms, but not all, and since we switched to our own snprintf.c it doesn't work for us anywhere. Of the three string fields being handled this way here, I think that only "owner" is supposed to be nullable ... but considering that this is error-reporting code, it has very little business assuming anything, so put in defenses for all three. Per a crash observed on buildfarm member crake and then reproduced here. Because of the portability aspect, back-patch to all supported versions. |
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PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.