(trafficserver) branch master updated: Add action & mutex check before triggering pending dns (#12341)

[masaori]

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masaori pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/trafficserver.git


The following commit(s) were added to refs/heads/master by this push:
     new ef0e703e6c Add action & mutex check before triggering pending dns 
(#12341)
ef0e703e6c is described below

commit ef0e703e6c32f4b529d7e7ef62664a4694793919
Author: Masaori Koshiba <masa...@apache.org>
AuthorDate: Tue Jul 22 08:17:26 2025 +0900

    Add action & mutex check before triggering pending dns (#12341)
---
 src/iocore/hostdb/HostDB.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/iocore/hostdb/HostDB.cc b/src/iocore/hostdb/HostDB.cc
index 12f24fefa9..ccc15d85d9 100644
--- a/src/iocore/hostdb/HostDB.cc
+++ b/src/iocore/hostdb/HostDB.cc
@@ -1165,6 +1165,10 @@ HostDBContinuation::remove_and_trigger_pending_dns()
   }
   EThread *thread = this_ethread();
   while ((c = qq.dequeue())) {
+    if (c->action.cancelled || c->mutex == nullptr) {
+      continue;
+    }
+
     // resume all queued HostDBCont in the thread associated with the netvc to 
avoid nethandler locking issues.
     EThread *affinity_thread = c->getThreadAffinity();
     SCOPED_MUTEX_LOCK(lock, c->mutex, this_ethread());