[trafficserver] 02/20: Fix heap use after free in DNSProcessor::getby() (#3871)

[zwoop]

This is an automated email from the ASF dual-hosted git repository.

zwoop pushed a commit to branch 9.1.x
in repository https://gitbox.apache.org/repos/asf/trafficserver.git

commit 7249341703d20abe078551f7bf00c7a043bb492f
Author: Oknet <xuc...@skyguard.com.cn>
AuthorDate: Fri Jan 29 07:05:38 2021 +0800

    Fix heap use after free in DNSProcessor::getby() (#3871)
---
 iocore/dns/DNS.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/iocore/dns/DNS.cc b/iocore/dns/DNS.cc
index 4bd0550..95a913b 100644
--- a/iocore/dns/DNS.cc
+++ b/iocore/dns/DNS.cc
@@ -1225,7 +1225,7 @@ DNSEntry::mainEvent(int event, Event *e)
     } else {
       Debug("dns", "adding first to collapsing queue");
       dnsH->entries.enqueue(this);
-      write_dns(dnsH);
+      dnsProcessor.thread->schedule_imm(dnsH);
     }
     return EVENT_DONE;
   }