From 383640c9a3a728c2f9752f1acd958ab90adf37b5 Mon Sep 17 00:00:00 2001 From: Peter Geoghegan Date: Sun, 1 Mar 2020 16:03:25 -0800 Subject: [PATCH] Add assertions to _bt_update_posting(). --- src/backend/access/nbtree/nbtdedup.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/backend/access/nbtree/nbtdedup.c b/src/backend/access/nbtree/nbtdedup.c index 3175d6fdd1..2434ce134b 100644 --- a/src/backend/access/nbtree/nbtdedup.c +++ b/src/backend/access/nbtree/nbtdedup.c @@ -688,6 +688,9 @@ _bt_update_posting(BTVacuumPosting vacposting) else newsize = keysize; + Assert(newsize <= INDEX_SIZE_MASK); + Assert(newsize == MAXALIGN(newsize)); + /* Allocate memory using palloc0() (matches index_form_tuple()) */ itup = palloc0(newsize); memcpy(itup, origtuple, keysize); @@ -721,6 +724,7 @@ _bt_update_posting(BTVacuumPosting vacposting) Assert(ui == nhtids); Assert(d == vacposting->ndeletedtids); Assert(nhtids == 1 || _bt_posting_valid(itup)); + Assert(nhtids > 1 || ItemPointerIsValid(&itup->t_tid)); /* vacposting arg's itup will now point to updated version */ vacposting->itup = itup; -- 2.17.1