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Merge branch 'artem-tls-listener-avoid-acessing-flags-on-accept' into 'main'

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TLS: Avoid accessing listener socket flags from other threads when accepting a connection

See merge request isc-projects/bind9!7154
This commit is contained in:
Artem Boldariev
2022-12-01 20:00:35 +00:00
parent 052200cc2b 4b5559cd8f
commit 89d7970072
1 changed files with 3 additions and 4 deletions
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7
lib/isc/netmgr/tlsstream.c
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@@ -687,10 +687,9 @@ tlslisten_acceptcb(isc_nmhandle_t *handle, isc_result_t result, void *cbarg) {
REQUIRE(VALID_NMSOCK(tlslistensock));
REQUIRE(tlslistensock->type == isc_nm_tlslistener);
if (isc__nmsocket_closing(handle->sock) ||
isc__nmsocket_closing(tlslistensock) ||
!atomic_load(&tlslistensock->listening))
{
if (isc__nm_closing(handle->sock->worker)) {
return (ISC_R_SHUTTINGDOWN);
} else if (isc__nmsocket_closing(handle->sock)) {
return (ISC_R_CANCELED);
}