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Fix dig error when trying the next server after a TCP connection failure

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When encountering a TCP connection error while trying to initiate a
connection to a server, dig erroneously cancels the lookup even when
there are other server(s) to try, which results in an assertion failure.

Cancel the lookup only when there are no more queries left in the
lookup's queries list (i.e. `next` is NULL).
This commit is contained in:
Aram Sargsyan 2022-03-13 13:47:16 +00:00
parent 85870ad9ee
commit 0fb4fc1897
1 changed files with 3 additions and 1 deletions
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4
bin/dig/dighost.c
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@ -3293,8 +3293,10 @@ tcp_connected(isc_nmhandle_t *handle, isc_result_t eresult, void *arg) {
next = NULL;
}
cancel_lookup(l);
query_detach(&query);
if (next == NULL) {
cancel_lookup(l);
}
lookup_detach(&l);
if (next != NULL) {