| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: pg_resetwal: Prevent division-by-zero errors |
| Date: | 2018-03-23 14:25:04 |
| Message-ID: | E1ezNcu-0005st-48@gemulon.postgresql.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-committers |
pg_resetwal: Prevent division-by-zero errors
Handle the case where the pg_control file specifies a WAL segment size
of 0 bytes. This would previously have led to a division by zero error.
Change this to assume the whole file is corrupt and go to guess
everything.
Discussion: https://www.postgresql.org/message-id/a6163ad7-cc99-fdd1-dfad-25df73032ab8%402ndquadrant.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/f1a074b146c900bd439b6ef1953866f41b61a669
Modified Files
--------------
src/bin/pg_resetwal/pg_resetwal.c | 4 +--
src/bin/pg_resetwal/t/002_corrupted.pl | 47 ++++++++++++++++++++++++++++++++++
2 files changed, 49 insertions(+), 2 deletions(-)
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Peter Eisentraut | 2018-03-23 14:33:33 | pgsql: Fix interaction of Perl and stdbool.h |
| Previous Message | Alvaro Herrera | 2018-03-23 13:48:53 | pgsql: Allow FOR EACH ROW triggers on partitioned tables |