external
/
pg_stat_monitor
mirror of https://github.com/percona/pg_stat_monitor.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

PG-576 - Segmentation fault caused by pg_stat_monitor unique 

queryid creation mechanism.

Resolving the crash identified by regression and reported by Naeem.
This fix resolves the issue with incorrect query length in case of
normalized query when the query length exceeds PGSM_QUERY_MAX_LEN.

Resolving the crash identify by regression and reported by Naeem.
pull/344/head
Hamid Akhtar 2023-01-03 01:40:51 +05:00
parent b60eece145
commit f170322f38
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
pg_stat_monitor.c
View File

@ -1520,7 +1520,11 @@ pgss_store(uint64 queryid,
pgsm_query_id = pgss_hash_string(norm_query, norm_query_len);
/* Free up norm_query if we don't intend to show normalized version in the view */
if (!PGSM_NORMALIZED_QUERY)
if (PGSM_NORMALIZED_QUERY)
{
query_len = norm_query_len;
}
else
{
if (norm_query)
pfree(norm_query);
@ -1559,7 +1563,7 @@ pgss_store(uint64 queryid,
queryid,
pgss_qbuf,
norm_query ? norm_query : query,
norm_query ? norm_query_len : query_len,
query_len,
&query_entry->query_pos))
{
LWLockRelease(pgss->lock);