diff options
| author | Michael Paquier | 2023-09-04 05:55:58 +0000 |
|---|---|---|
| committer | Michael Paquier | 2023-09-04 05:55:58 +0000 |
| commit | 358cd2b25109f50f2d3a9a29ed90fed9dc362df3 (patch) | |
| tree | 3284c58e74ab68a41dbdb6283b25eec9827ebebb /src | |
| parent | eafe9c9181a4fd4b68d7e22e979de839cc16930c (diff) | |
Fix out-of-bound read in gtsvector_picksplit()
This could lead to an imprecise choice when splitting an index page of a
GiST index on a tsvector, deciding which entries should remain on the
old page and which entries should move to a new page.
This is wrong since tsearch2 has been moved into core with commit
140d4ebcb46e, so backpatch all the way down. This error has been
spotted by valgrind.
Author: Alexander Lakhin
Discussion: https://postgr.es/m/17950-6c80a8d2b94ec695@postgresql.org
Backpatch-through: 11
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/utils/adt/tsgistidx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/utils/adt/tsgistidx.c b/src/backend/utils/adt/tsgistidx.c index 2d9ecc4bfdc..a78de088927 100644 --- a/src/backend/utils/adt/tsgistidx.c +++ b/src/backend/utils/adt/tsgistidx.c @@ -751,7 +751,7 @@ gtsvector_picksplit(PG_FUNCTION_ARGS) size_alpha = 0; else size_alpha = SIGLENBIT - sizebitvec( - (cache[j].allistrue) ? GETSIGN(datum_l) : GETSIGN(cache[j].sign) + (cache[j].allistrue) ? GETSIGN(datum_l) : cache[j].sign ); } else @@ -763,7 +763,7 @@ gtsvector_picksplit(PG_FUNCTION_ARGS) size_beta = 0; else size_beta = SIGLENBIT - sizebitvec( - (cache[j].allistrue) ? GETSIGN(datum_r) : GETSIGN(cache[j].sign) + (cache[j].allistrue) ? GETSIGN(datum_r) : cache[j].sign ); } else |