0e924c007d
libpq defines these functions as accepting "size_t" lengths ... but the underlying backend functions expect signed int32 length parameters, and so will misinterpret any value exceeding INT_MAX. Fix the libpq side to throw error rather than possibly doing something unexpected. This is a bug of long standing, but I doubt it's worth back-patching. The problem is really pretty academic anyway with lo_read/lo_write, since any caller expecting sane behavior would have to have provided a multi-gigabyte buffer. It's slightly more pressing with lo_truncate, but still we haven't supported large objects over 2GB until now. |
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