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(parent: 93513d1) | patch
Fix off-by-one in memory allocation for quote_literal_cstr().
authorHeikki Linnakangas <heikki.linnakangas@iki.fi>
Fri, 16 Dec 2016 10:50:20 +0000 (12:50 +0200)
committerHeikki Linnakangas <heikki.linnakangas@iki.fi>
Fri, 16 Dec 2016 10:53:04 +0000 (12:53 +0200)
commit4f5182e18d3ec7b84c24ceba2c436ea890c95e25
treef96c0266aaabc89b0f2f551239664f11d9100440tree | snapshot
parent93513d1b6559b2d0805f0b02d312ee550e3d010bcommit | diff
Fix off-by-one in memory allocation for quote_literal_cstr().

The calculation didn't take into account the NULL terminator. That lead
to overwriting the palloc'd buffer by one byte, if the input consists
entirely of backslashes. For example "format('%L', E'\\')".

Fixes bug #14468. Backpatch to all supported versions.

Report: https://www.postgresql.org/message-id/20161216105001.13334.42819%40wrigleys.postgresql.org
src/backend/utils/adt/quote.c diff | blob | history
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