From 22392e770d1b672e6f51f4b0724412127afbd7e2 Mon Sep 17 00:00:00 2001
From: Lukasz Klimek <842586+lklimek@users.noreply.github.com>
Date: Wed, 17 Dec 2025 12:51:10 +0100
Subject: [PATCH 1/4] build: dump core in tests

---
 .github/workflows/tests-rs-package.yml | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/tests-rs-package.yml b/.github/workflows/tests-rs-package.yml
index d644f2a40a0..d1c5678ba18 100644
--- a/.github/workflows/tests-rs-package.yml
+++ b/.github/workflows/tests-rs-package.yml
@@ -198,8 +198,17 @@ jobs:
       - name: Install librocksdb
         uses: ./.github/actions/librocksdb
 
+      - name: Configure core dumps
+        run: |
+          sudo mkdir /cores
+          sudo chmod 777 /cores
+          # Core filenames will be of the form executable.pid.timestamp:
+          sudo bash -c 'echo "/cores/%e.%p.%t" > /proc/sys/kernel/core_pattern'
+
       - name: Run tests
-        run: RUST_MIN_STACK=16777216 cargo test --package=${{ inputs.package }} --all-features --locked
+        run: |
+          ulimit -c unlimited
+          RUST_MIN_STACK=16777216 cargo test --package=${{ inputs.package }} --all-features --locked
         env:
           SCCACHE_S3_KEY_PREFIX: ${{ runner.os }}/sccache/${{ runner.arch }}/linux-gnu
           ROCKSDB_STATIC: "/opt/rocksdb/usr/local/lib/librocksdb.a"
@@ -207,6 +216,15 @@ jobs:
           SNAPPY_STATIC: "/usr/lib/x86_64-linux-gnu/libsnappy.a"
           SNAPPY_LIB_DIR: "/usr/lib/x86_64-linux-gnu"
 
+      - name: Upload core dumps
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: core-dumps-${{ inputs.package }}
+          path: |
+            /cores/*
+          if-no-files-found: ignore
+
   check_each_feature:
     name: Check each feature
     runs-on: ubuntu-24.04

From 2f0743de4e1c43c5d03718818e5eb61b3273ac74 Mon Sep 17 00:00:00 2001
From: Lukasz Klimek <842586+lklimek@users.noreply.github.com>
Date: Wed, 17 Dec 2025 13:08:37 +0100
Subject: [PATCH 2/4] build: zip core dumps

---
 .github/workflows/tests-rs-package.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/tests-rs-package.yml b/.github/workflows/tests-rs-package.yml
index d1c5678ba18..ca07c15e7f6 100644
--- a/.github/workflows/tests-rs-package.yml
+++ b/.github/workflows/tests-rs-package.yml
@@ -216,13 +216,19 @@ jobs:
           SNAPPY_STATIC: "/usr/lib/x86_64-linux-gnu/libsnappy.a"
           SNAPPY_LIB_DIR: "/usr/lib/x86_64-linux-gnu"
 
+      # We need o zip core dumps, as they can contain invalid characters in their filenames
+      - name: Zip core dumps
+        if: failure()
+        run: |
+          zip -9 -r core-dumps.zip /cores/ || true
+
       - name: Upload core dumps
         if: failure()
         uses: actions/upload-artifact@v4
         with:
           name: core-dumps-${{ inputs.package }}
           path: |
-            /cores/*
+            core-dumps.zip
           if-no-files-found: ignore
 
   check_each_feature:

From bcc94123429f3f59a5e5efd96d3b588fb271aaab Mon Sep 17 00:00:00 2001
From: Lukasz Klimek <842586+lklimek@users.noreply.github.com>
Date: Wed, 17 Dec 2025 13:23:00 +0100
Subject: [PATCH 3/4] build: add binaries to core dump

---
 .github/workflows/tests-rs-package.yml | 38 ++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/tests-rs-package.yml b/.github/workflows/tests-rs-package.yml
index ca07c15e7f6..66da7b3a09d 100644
--- a/.github/workflows/tests-rs-package.yml
+++ b/.github/workflows/tests-rs-package.yml
@@ -216,11 +216,41 @@ jobs:
           SNAPPY_STATIC: "/usr/lib/x86_64-linux-gnu/libsnappy.a"
           SNAPPY_LIB_DIR: "/usr/lib/x86_64-linux-gnu"
 
-      # We need o zip core dumps, as they can contain invalid characters in their filenames
-      - name: Zip core dumps
+      # Zip crash artifacts (core files + binaries) so filenames stay safe
+      - name: Collect crash artifacts
         if: failure()
+        env:
+          PACKAGE_NAME: ${{ inputs.package }}
         run: |
-          zip -9 -r core-dumps.zip /cores/ || true
+          set -euo pipefail
+          shopt -s nullglob
+
+          if ! compgen -G "/cores/*" > /dev/null; then
+            echo "No core dumps were produced; skipping artifact archive."
+            exit 0
+          fi
+
+          ARTIFACT_DIR=crash-artifacts
+          rm -rf "${ARTIFACT_DIR}"
+          mkdir -p "${ARTIFACT_DIR}/cores" "${ARTIFACT_DIR}/binaries"
+
+          cp -a /cores/. "${ARTIFACT_DIR}/cores/"
+
+          BIN_PREFIX=$(echo "${PACKAGE_NAME}" | tr '-' '_')
+          for path in target/debug/deps/${BIN_PREFIX}-* target/debug/${BIN_PREFIX}-*; do
+            if [[ -f "$path" && -x "$path" ]]; then
+              cp -a "$path" "${ARTIFACT_DIR}/binaries/"
+            fi
+          done
+
+          for extra in target/debug/deps/${BIN_PREFIX}-*.dSYM target/debug/${BIN_PREFIX}.dSYM \
+                      target/debug/deps/${BIN_PREFIX}-*.dwp target/debug/${BIN_PREFIX}.dwp; do
+            if [[ -e "$extra" ]]; then
+              cp -a "$extra" "${ARTIFACT_DIR}/binaries/"
+            fi
+          done
+
+          (cd "${ARTIFACT_DIR}" && zip -9 -r ../core-dumps.zip .)
 
       - name: Upload core dumps
         if: failure()
@@ -230,6 +260,8 @@ jobs:
           path: |
             core-dumps.zip
           if-no-files-found: ignore
+          retention-days: 14
+          # Inspect locally with: gdb path/to/binary path/to/core
 
   check_each_feature:
     name: Check each feature

From 3521cc9ef7cfd38c951679d3b99379f571db3632 Mon Sep 17 00:00:00 2001
From: Lukasz Klimek <842586+lklimek@users.noreply.github.com>
Date: Wed, 17 Dec 2025 13:47:41 +0100
Subject: [PATCH 4/4] build: core dumps retention decrease to 3 days

---
 .github/workflows/tests-rs-package.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/tests-rs-package.yml b/.github/workflows/tests-rs-package.yml
index 66da7b3a09d..6126df012b3 100644
--- a/.github/workflows/tests-rs-package.yml
+++ b/.github/workflows/tests-rs-package.yml
@@ -260,7 +260,7 @@ jobs:
           path: |
             core-dumps.zip
           if-no-files-found: ignore
-          retention-days: 14
+          retention-days: 3
           # Inspect locally with: gdb path/to/binary path/to/core
 
   check_each_feature: