From 502b899da69669a78d07b2d55f2f2c5ca9e1c647 Mon Sep 17 00:00:00 2001
From: Nikita Kazmin <vonzshik@gmail.com>
Date: Tue, 23 Dec 2025 11:05:41 +0300
Subject: [PATCH 1/3] Fix Timeout_during_authentication test

---
 src/Npgsql/Internal/NpgsqlConnector.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Npgsql/Internal/NpgsqlConnector.cs b/src/Npgsql/Internal/NpgsqlConnector.cs
index 6bca520d43..4c18372699 100644
--- a/src/Npgsql/Internal/NpgsqlConnector.cs
+++ b/src/Npgsql/Internal/NpgsqlConnector.cs
@@ -1339,7 +1339,7 @@ async Task ConnectAsync(NpgsqlTimeout timeout, CancellationToken cancellationTok
         }
         else
         {
-            IPAddress[] ipAddresses;
+            IPAddress[] ipAddresses = [];
             try
             {
                 using var combinedCts = timeout.IsSet ? CancellationTokenSource.CreateLinkedTokenSource(cancellationToken) : null;
@@ -1352,7 +1352,8 @@ async Task ConnectAsync(NpgsqlTimeout timeout, CancellationToken cancellationTok
                 catch (OperationCanceledException)
                 {
                     cancellationToken.ThrowIfCancellationRequested();
-                    throw new TimeoutException();
+                    Debug.Assert(timeout.HasExpired);
+                    ThrowHelper.ThrowNpgsqlExceptionWithInnerTimeoutException("The operation has timed out");
                 }
             }
             catch (SocketException ex)

From a58f34e98f580fa7bd8039e4ac6bf10058c4c832 Mon Sep 17 00:00:00 2001
From: Nikita Kazmin <vonzshik@gmail.com>
Date: Tue, 23 Dec 2025 11:09:00 +0300
Subject: [PATCH 2/3] Try to get ci dump

---
 .github/workflows/build.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 41b2f87b54..4886d6aa18 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -302,6 +302,15 @@ jobs:
             dotnet test -c ${{ matrix.config }} -f ${{ matrix.test_tfm }} test/Npgsql.DependencyInjection.Tests --logger "GitHubActions;report-warnings=false"
         shell: bash
 
+      - name: Upload Hang Dumps
+        uses: actions/upload-artifact@v6
+        if: always()
+        with:
+          name: test-hang-dumps
+          path: |
+            **/*.dmp
+            **/Sequence*.xml
+
       - name: Test Plugins
         if: "!startsWith(matrix.os, 'macos')"
         run: |

From 9478f68db76a7d71f92805f124e4bbc70eab134c Mon Sep 17 00:00:00 2001
From: Nikita Kazmin <vonzshik@gmail.com>
Date: Sat, 27 Dec 2025 11:38:23 +0300
Subject: [PATCH 3/3] Review

---
 .github/workflows/build.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4886d6aa18..84187b554c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -298,13 +298,13 @@ jobs:
       # TODO: Once test/Npgsql.Specification.Tests work, switch to just testing on the solution
       - name: Test
         run: |
-            dotnet test -c ${{ matrix.config }} -f ${{ matrix.test_tfm }} test/Npgsql.Tests --logger "GitHubActions;report-warnings=false" --blame-hang-timeout 30s
+            dotnet test -c ${{ matrix.config }} -f ${{ matrix.test_tfm }} test/Npgsql.Tests --logger "GitHubActions;report-warnings=false" --blame-crash --blame-hang-timeout 30s
             dotnet test -c ${{ matrix.config }} -f ${{ matrix.test_tfm }} test/Npgsql.DependencyInjection.Tests --logger "GitHubActions;report-warnings=false"
         shell: bash
 
-      - name: Upload Hang Dumps
+      - name: Upload Test Hang Dumps
         uses: actions/upload-artifact@v6
-        if: always()
+        if: failure()
         with:
           name: test-hang-dumps
           path: |