Merge pull request #2697 from ZhouBox/v2.11

fengzeroz · web-flow · commit 109688bbb5ec · 2026-03-03T13:38:38.000+08:00
[v2.11]fixbug:heap use after free
diff --git a/src/base/group.c b/src/base/group.c
@@ -372,8 +372,10 @@ void neu_group_change_test(neu_group_t *group, int64_t timestamp, void *arg,
                            neu_group_change_fn fn)
 {
     if (group->timestamp != timestamp) {
+        pthread_mutex_lock(&group->mtx);
         UT_array *tags = to_array(group->tags);
         fn(arg, group->timestamp, tags, group->interval);
+        pthread_mutex_unlock(&group->mtx);
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -372,8 +372,10 @@ void neu_group_change_test(neu_group_t group, int64_t timestamp, void arg,`
`372`	`372`	`neu_group_change_fn fn)`
`373`	`373`	`{`
`374`	`374`	`if (group->timestamp != timestamp) {`
	`375`	`+ pthread_mutex_lock(&group->mtx);`
`375`	`376`	`UT_array *tags = to_array(group->tags);`
`376`	`377`	`fn(arg, group->timestamp, tags, group->interval);`
	`378`	`+ pthread_mutex_unlock(&group->mtx);`
`377`	`379`	`}`
`378`	`380`	`}`
`379`	`381`