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4536. [bug] ISC_SOCKEVENTATTR_USEMINMTU was not being cleared

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when reusing the event structure. [RT #43885]

(cherry picked from commit a678e70481)
This commit is contained in:
Mark Andrews 2016-12-14 10:42:38 +11:00
parent 4043669112
commit 31da2eba56
2 changed files with 4 additions and 0 deletions
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3
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@ -1,3 +1,6 @@
4536. [bug] ISC_SOCKEVENTATTR_USEMINMTU was not being cleared
when reusing the event structure. [RT #43885]
4535. [bug] Address race condition in setting / testing of
DNS_REQUEST_F_SENDING. [RT #43889]

1
bin/named/client.c
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@ -915,6 +915,7 @@ client_sendpkg(ns_client_t *client, isc_buffer_t *buffer) {
* MTU link force fragmentation at 1280 if it is a IPv6
* response.
*/
client->sendevent->attributes &= ~ISC_SOCKEVENTATTR_USEMINMTU;
if (!TCP_CLIENT(client) && r.length > 1432)
client->sendevent->attributes |= ISC_SOCKEVENTATTR_USEMINMTU;