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lock disp->mgr before reading disp->mgr->buffers

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This commit is contained in:
Mark Andrews 2019-11-22 11:55:47 +11:00
parent 545e1391fa
commit afc7389ce8
1 changed files with 2 additions and 0 deletions
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2
lib/dns/dispatch.c
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@ -1045,9 +1045,11 @@ udp_recv(isc_event_t *ev_in, dns_dispatch_t *disp, dispsocket_t *dispsock) {
mgr = disp->mgr;
qid = mgr->qid;
LOCK(&disp->mgr->buffer_lock);
dispatch_log(disp, LVL(90),
"got packet: requests %d, buffers %d, recvs %d",
disp->requests, disp->mgr->buffers, disp->recv_pending);
UNLOCK(&disp->mgr->buffer_lock);
if (dispsock == NULL && ev->ev_type == ISC_SOCKEVENT_RECVDONE) {
/*