| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: pg_waldump: Fix error message for WAL files smaller than XLOG_BL |
| Date: | 2022-02-25 18:48:41 |
| Message-ID: | E1nNfdw-000LaX-PV@gemulon.postgresql.org |
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| Lists: | pgsql-committers |
pg_waldump: Fix error message for WAL files smaller than XLOG_BLCKSZ.
When opening a WAL file smaller than XLOG_BLCKSZ (e.g. 0 bytes long) while
determining the wal_segment_size, pg_waldump checked errno, despite errno not
being set by the short read. Resulting in a bogus error message.
Author: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
Discussion: https://postgr.es/m/20220214.181847.775024684568733277.horikyota.ntt@gmail.com
Backpatch: 11-, the bug was introducedin fc49e24fa
Branch
------
REL_11_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/51c34165614bde5d44a356ba5f1f4f79d8893103
Modified Files
--------------
src/bin/pg_waldump/pg_waldump.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
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