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| author | Amit Kapila <akapila@postgresql.org> | 2023-12-01 10:14:36 +0530 |
|---|---|---|
| committer | Amit Kapila <akapila@postgresql.org> | 2023-12-01 10:22:13 +0530 |
| commit | f66fcc5cd616da8d81a2d2f9b80a9f080796f4b6 (patch) | |
| tree | 6a6b9dad90f38c9e1c979407b7dd44ac45c7e2f1 /src/backend | |
| parent | aa11a9c14902b7bcb1d73533a0403dc50361112a (diff) | |
| download | postgresql-f66fcc5cd616da8d81a2d2f9b80a9f080796f4b6.tar.gz postgresql-f66fcc5cd616da8d81a2d2f9b80a9f080796f4b6.zip | |
Fix an uninitialized access in hash_xlog_squeeze_page().
Commit 861f86beea changed hash_xlog_squeeze_page() to start reading
the write buffer conditionally but forgot to initialize it leading to an
uninitialized access.
Reported-by: Alexander Lakhin
Author: Hayato Kuroda
Reviewed-by: Alexander Lakhin, Amit Kapila
Discussion: http://postgr.es/m/62ed1a9f-746a-8e86-904b-51b9b806a1d9@gmail.com
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/access/hash/hash_xlog.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/access/hash/hash_xlog.c b/src/backend/access/hash/hash_xlog.c index 40debf40288..f1e233a8173 100644 --- a/src/backend/access/hash/hash_xlog.c +++ b/src/backend/access/hash/hash_xlog.c @@ -632,7 +632,7 @@ hash_xlog_squeeze_page(XLogReaderState *record) XLogRecPtr lsn = record->EndRecPtr; xl_hash_squeeze_page *xldata = (xl_hash_squeeze_page *) XLogRecGetData(record); Buffer bucketbuf = InvalidBuffer; - Buffer writebuf; + Buffer writebuf = InvalidBuffer; Buffer ovflbuf; Buffer prevbuf = InvalidBuffer; Buffer mapbuf; |