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Merge branch '1474-threadsanitizer-data-race-lib-dns-message-c-v9_16' into 'v9_16'

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Add missing acquire memory barrier in isc_nmhandle_unref

See merge request isc-projects/bind9!3695
This commit is contained in:
Ondřej Surý 2020-06-16 08:51:17 +00:00
commit cebc77a560
1 changed files with 2 additions and 0 deletions
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lib/isc/netmgr/netmgr.c
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@ -1156,6 +1156,8 @@ isc_nmhandle_unref(isc_nmhandle_t *handle) {
if (isc_refcount_decrement(&handle->references) > 1) {
return;
}
/* We need an acquire memory barrier here */
(void)isc_refcount_current(&handle->references);
sock = handle->sock;
handle->sock = NULL;