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- lock subnet new item before insertion to please checklocks,

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no modification of critical regions outside of lock region.


git-svn-id: file:///svn/unbound/trunk@4497 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards
2018-02-02 10:52:44 +00:00
parent a66fd181e5
commit 632ea0d02e
2 changed files with 4 additions and 0 deletions
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doc/Changelog
+2
View File
@@ -2,6 +2,8 @@
- Fix unfreed locks in log and arc4random at exit of unbound.
- unit test with valgrind
- Fix lock race condition in dns cache dname synthesis.
- lock subnet new item before insertion to please checklocks,
no modification of critical regions outside of lock region.
1 February 2018: Wouter
- fix unaligned structure making a false positive in checklock
edns-subnet/subnetmod.c
+2
View File
@@ -339,6 +339,7 @@ update_cache(struct module_qstate *qstate, int id)
return;
}
lru_entry = &mrep_entry->entry;
lock_rw_wrlock(&lru_entry->lock);
lru_entry->data = calloc(1,
sizeof(struct subnet_msg_cache_data));
if (!lru_entry->data) {
@@ -374,6 +375,7 @@ update_cache(struct module_qstate *qstate, int id)
if (acquired_lock) {
lock_rw_unlock(&lru_entry->lock);
} else {
lock_rw_unlock(&lru_entry->lock);
slabhash_insert(subnet_msg_cache, h, lru_entry, lru_entry->data,
NULL);
}