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Tom Lane 6d3a9a60f7 Fix corner case bug in numeric to_char() some more. 
The band-aid applied in commit f0bedf3e4 turns out to still need
some work: it made sure we didn't set Np->last_relevant too small
(to the left of the decimal point), but it didn't prevent setting
it too large (off the end of the partially-converted string).
This could result in fetching data beyond the end of the allocated
space, which with very bad luck could cause a SIGSEGV, though
I don't see any hazard of interesting memory disclosure.

Per bug #17839 from Thiago Nunes.  The bug's pretty ancient,
so back-patch to all supported versions.

Discussion: https://postgr.es/m/17839-aada50db24d7b0da@postgresql.org
2023-03-14 19:17:31 -04:00
..
backend Fix corner case bug in numeric to_char() some more. 2023-03-14 19:17:31 -04:00
bin Make EXEC_BACKEND more convenient on Linux and FreeBSD. 2023-02-08 13:09:52 +09:00
common Make EXEC_BACKEND more convenient on Linux and FreeBSD. 2023-02-08 13:09:52 +09:00
fe_utils Clean up assorted failures under clang's -fsanitize=undefined checks. 2022-03-03 18:13:24 -05:00
include Fix MULTIEXPR_SUBLINK with partitioned target tables, yet again. 2023-02-25 14:44:14 -05:00
interfaces Fix inconsistent error handling for GSS encryption in PQconnectPoll() 2023-03-13 16:36:34 +09:00
makefiles Select CFLAGS_SL at configure time, not in platform-specific Makefiles. 2019-10-21 12:32:35 -04:00
pl Translation updates 2023-02-06 12:21:32 +01:00
port Stamp 12.14. 2023-02-06 16:45:00 -05:00
template On NetBSD, force dynamic symbol resolution at postmaster start. 2022-08-30 17:29:13 -04:00
test Fix corner case bug in numeric to_char() some more. 2023-03-14 19:17:31 -04:00
timezone Update time zone data files to tzdata release 2022g. 2023-01-31 17:37:28 -05:00
tools Don't force SQL_ASCII/no-locale for installcheck in vcregress.pl 2023-02-26 06:52:09 -05:00
tutorial Doc: sync src/tutorial/basics.source with SGML documentation. 2022-11-19 13:09:14 -05:00
.gitignore
DEVELOPERS
Makefile Fix partial-build problems introduced by having more generated headers. 2018-04-09 16:42:10 -04:00
Makefile.global.in Prevent port collisions between concurrent TAP tests 2022-11-22 10:52:42 -05:00
Makefile.shlib Fix pkg-config files for static linking 2021-09-06 09:43:18 +02:00
nls-global.mk NLS: Fix backend gettext triggers 2019-09-23 09:05:50 +02:00