fix(clone): nil pointer dereference in PubSub after WithTimeout() (#3710)

Copilot · ndyakov · web-flow · commit a881cd4280bf · 2026-02-16T10:44:37.000+02:00
* Initial plan

* Fix pubSubPool nil pointer in clone() method

Co-authored-by: ndyakov &lt;1547186+ndyakov@users.noreply.github.com&gt;

* Final: Fix complete and verified

Co-authored-by: ndyakov &lt;1547186+ndyakov@users.noreply.github.com&gt;

---------

Co-authored-by: copilot-swe-agent[bot] &lt;198982749+Copilot@users.noreply.github.com&gt;
Co-authored-by: ndyakov &lt;1547186+ndyakov@users.noreply.github.com&gt;
diff --git a/example/del-keys-without-ttl/go.sum b/example/del-keys-without-ttl/go.sum
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diff --git a/example/digest-optimistic-locking/go.sum b/example/digest-optimistic-locking/go.sum
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diff --git a/example/disable-maintnotifications/go.sum b/example/disable-maintnotifications/go.sum
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+github.com/klauspost/cpuid/v2 v2.0.9 h1:lgaqFMSdTdQYdZ04uHyN2d/eKdOMyi2YLSvlQIBFYa4=
+github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
@@ -49,6 +51,8 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/zeebo/xxh3 v1.0.2 h1:xZmwmqxHZA8AI603jOQ0tMqmBr9lPeFwGg6d+xy9DC0=
+github.com/zeebo/xxh3 v1.0.2/go.mod h1:5NWz9Sef7zIDm2JHfFlcQvNekmcEl9ekUZQQKCYaDcA=
 go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
 go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
diff --git a/extra/rediscmd/go.sum b/extra/rediscmd/go.sum
@@ -8,6 +8,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
+github.com/klauspost/cpuid/v2 v2.0.9 h1:lgaqFMSdTdQYdZ04uHyN2d/eKdOMyi2YLSvlQIBFYa4=
+github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
diff --git a/redis.go b/redis.go
@@ -243,6 +243,7 @@ func (c *baseClient) clone() *baseClient {
 	clone := &baseClient{
 		opt:                         c.opt,
 		connPool:                    c.connPool,
+		pubSubPool:                  c.pubSubPool,
 		onClose:                     c.onClose,
 		pushProcessor:               c.pushProcessor,
 		maintNotificationsManager:   maintNotificationsManager,
diff --git a/redis_test.go b/redis_test.go
@@ -88,6 +88,28 @@ var _ = Describe("Client", func() {
 		Expect(err).NotTo(HaveOccurred())
 	})
 
+	It("should support PubSub with WithTimeout", func() {
+		// Create a new client with a custom timeout
+		newClient := client.WithTimeout(5 * time.Second)
+
+		// Subscribe to a channel using the cloned client
+		pubsub := newClient.Subscribe(ctx, "test-channel")
+		defer pubsub.Close()
+
+		// Verify that we can receive the subscription confirmation
+		_, err := pubsub.ReceiveTimeout(ctx, time.Second)
+		Expect(err).NotTo(HaveOccurred())
+
+		// Publish a message using the original client
+		err = client.Publish(ctx, "test-channel", "test-message").Err()
+		Expect(err).NotTo(HaveOccurred())
+
+		// Receive the message
+		msg, err := pubsub.ReceiveTimeout(ctx, time.Second)
+		Expect(err).NotTo(HaveOccurred())
+		Expect(msg).NotTo(BeNil())
+	})
+
 	It("do", func() {
 		val, err := client.Do(ctx, "ping").Result()
 		Expect(err).NotTo(HaveOccurred())
