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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2024-12-05 12:54:41 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2024-12-05 12:54:41 -0500 |
| commit | cd1c8b992e9f8774f9e08b2c7f668067bfe7e621 (patch) | |
| tree | 5dc36eb743e1f77cbe7e97f330961b5e0bf9fe75 /src/backend/tcop/postgres.c | |
| parent | 1168acbca475d48f745b345f69389df11f2396aa (diff) | |
Avoid low-probability crash on out-of-memory.
check_restrict_nonsystem_relation_kind() correctly uses guc_malloc()
in v16 and later. But in older branches it must use malloc()
directly, and it forgot to check for failure return.
Faulty backpatching of 66e94448a.
Karina Litskevich
Discussion: https://postgr.es/m/CACiT8iZ=atkguKVbpN4HmJFMb4+T9yEowF5JuPZG8W+kkZ9L6w@mail.gmail.com
Diffstat (limited to 'src/backend/tcop/postgres.c')
| -rw-r--r-- | src/backend/tcop/postgres.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c index ec630b44916..8ad28dce2b7 100644 --- a/src/backend/tcop/postgres.c +++ b/src/backend/tcop/postgres.c @@ -3489,6 +3489,11 @@ check_restrict_nonsystem_relation_kind(char **newval, void **extra, GucSource so /* Save the flags in *extra, for use by the assign function */ *extra = malloc(sizeof(int)); + if (*extra == NULL) + ereport(ERROR, + (errcode(ERRCODE_OUT_OF_MEMORY), + errmsg("out of memory"))); + *((int *) *extra) = flags; return true; |