pgsql: pg_standby: Avoid writing one byte beyond the end of the buffer. - Mailing list pgsql-committers

From Robert Haas
Subject pgsql: pg_standby: Avoid writing one byte beyond the end of the buffer.
Date
Msg-id E1YBlhJ-0005BZ-Dk@gemulon.postgresql.org
Whole thread Raw
List pgsql-committers
pg_standby: Avoid writing one byte beyond the end of the buffer.

Previously, read() might have returned a length equal to the buffer
length, and then the subsequent store to buf[len] would write a
zero-byte one byte past the end.  This doesn't seem likely to be
a security issue, but there's some chance it could result in
pg_standby misbehaving.

Spotted by Coverity; patch by Michael Paquier, reviewed by me.

Branch
------
REL9_3_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/ebbef4f3959501f65041739759ea6c5b34437091

Modified Files
--------------
contrib/pg_standby/pg_standby.c |    2 +-
1 file changed, 1 insertion(+), 1 deletion(-)


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