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postgresql/src/backend/utils
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Thomas Munro 189097db82 Fix exception safety bug in typcache.c. 
If an out-of-memory error was thrown at an unfortunate time,
ensure_record_cache_typmod_slot_exists() could leak memory and leave
behind a global state that produced an infinite loop on the next call.

Fix by merging RecordCacheArray and RecordIdentifierArray into a single
array.  With only one allocation or re-allocation, there is no
intermediate state.

Back-patch to all supported releases.

Reported-by: "James Pang (chaolpan)" <chaolpan@cisco.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/PH0PR11MB519113E738814BDDA702EDADD6EFA%40PH0PR11MB5191.namprd11.prod.outlook.com
2023-09-13 14:48:00 +12:00
..
adt Fix out-of-bound read in gtsvector_picksplit() 2023-09-04 14:55:55 +09:00
cache Fix exception safety bug in typcache.c. 2023-09-13 14:48:00 +12:00
error Log the location field before any backtrace 2020-07-10 08:31:48 +02:00
fmgr Fix broken ruleutils support for function TRANSFORM clauses. 2021-01-25 13:03:11 -05:00
hash Initial pgindent and pgperltidy run for v13. 2020-05-14 13:06:50 -04:00
init Handle DROP DATABASE getting interrupted 2023-07-13 13:03:34 -07:00
mb Dial back -Wimplicit-fallthrough to level 3 2020-05-13 15:31:14 -04:00
misc Add missing assign hook for GUC checkpoint_completion_target 2023-01-19 13:13:30 +09:00
mmgr Re-bin segment when memory pages are freed. 2023-07-04 15:28:29 +12:00
resowner Improve performance of "simple expressions" in PL/pgSQL. 2020-03-26 18:58:57 -04:00
sort Avoid possible overflow with ltsGetFreeBlock() in logtape.c 2023-08-30 08:03:54 +09:00
time Fix corruption due to vacuum_defer_cleanup_age underflowing 64bit xids 2023-03-07 21:36:51 -08:00
.gitignore Rearrange makefile rules for running Gen_fmgrtab.pl. 2018-05-03 17:54:18 -04:00
errcodes.txt Make SQL/JSON error code names match SQL standard 2020-04-30 09:34:54 +02:00
Gen_dummy_probes.pl Emit dummy statements for probes.d probes when disabled 2021-05-10 13:56:21 +02:00
Gen_dummy_probes.sed Emit dummy statements for probes.d probes when disabled 2021-05-10 13:56:21 +02:00
Gen_fmgrtab.pl Use perl warnings pragma consistently 2020-04-13 11:55:45 -04:00
generate-errcodes.pl Update copyrights for 2020 2020-01-01 12:21:45 -05:00
Makefile Update copyrights for 2020 2020-01-01 12:21:45 -05:00
probes.d Update copyrights for 2020 2020-01-01 12:21:45 -05:00