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3416. [bug] Named could die on shutdown if running with 128 UDP

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dispatches per interface. [RT #31743]

Squashed commit of the following:

commit 1a97c755f8496f65024af0f634c1acf59a0a4252
Author: Mark Andrews <marka@isc.org>
Date:   Wed Nov 7 07:14:36 2012 +1100

    add regression test for RT31743

commit 7b16b5f77fad39478168aac25742823f2fcd825b
Author: Mark Andrews <marka@isc.org>
Date:   Fri Nov 2 23:57:24 2012 +1100

    array bounds error when shutting down interface
This commit is contained in:
Mark Andrews 2012-11-14 07:47:58 +11:00
parent d8fc410cf8
commit 55670a1e55
3 changed files with 6 additions and 2 deletions
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3
CHANGES
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@ -1,3 +1,6 @@
3416. [bug] Named could die on shutdown if running with 128 UDP
dispatches per interface. [RT #31743]
3415. [bug] named could die with a REQUIRE failure if a valdation 3415. [bug] named could die with a REQUIRE failure if a valdation
was canceled. [RT #31804] was canceled. [RT #31804]

2
bin/named/interfacemgr.c
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@ -426,7 +426,7 @@ ns_interface_destroy(ns_interface_t *ifp) {
ns_interface_shutdown(ifp); ns_interface_shutdown(ifp);
for (disp = ifp->nudpdispatch; disp >= 0; disp--) for (disp = 0; disp < ifp->nudpdispatch; disp++)
if (ifp->udpdispatch[disp] != NULL) { if (ifp->udpdispatch[disp] != NULL) {
dns_dispatch_changeattributes(ifp->udpdispatch[disp], 0, dns_dispatch_changeattributes(ifp->udpdispatch[disp], 0,
DNS_DISPATCHATTR_NOLISTEN); DNS_DISPATCHATTR_NOLISTEN);

3
bin/tests/system/resolver/ns7/named.args
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@ -1,2 +1,3 @@
# this server runs named with the "-T clienttest" option omitted # this server runs named with the "-T clienttest" option omitted
-m record,size,mctx -c named.conf -d 99 -g # this server runs named with "-n 128 -U 128" as a regression test for RT31743
-m record,size,mctx -c named.conf -d 99 -g -n 128 -U 128