ci/lavapipe: Add a fractional run with ASan

This catches use-after-frees and buffer overflows, but not leaks (which we
disable the checking for since the library gets dlclose()d and we end up
with useless backtraces).

Reviewed-by: Adam Jackson <ajax@redhat.com>
Acked-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8889>

src/gallium/frontends/lavapipe/ci/deqp-lvp-asan-fails.txt

@@ -0,0 +1,4 @@
+dEQP-VK.glsl.builtin.precision.pow.highp.vec2,Fail
+dEQP-VK.glsl.texture_functions.query.texturequerylod.sampler2d_fixed_fragment,Fail
+dEQP-VK.draw.multi_draw.mosaic.indexed_packed.max_draws.standard_stride.10_instances.offset_6,Crash
+dEQP-VK.draw.multi_draw.overlapping.indexed_packed.one_draw.standard_stride.no_instances.offset_6,Crash

src/gallium/frontends/lavapipe/ci/deqp-lvp-asan-skips.txt

@@ -0,0 +1,5 @@
+# Lots of timeouts
+dEQP-VK.texture.filtering.*.combinations.*
+dEQP-VK.binding_model.buffer_device_address.set3.depth3.*
+dEQP-VK.ssbo.layout.*instance_array
+dEQP-VK.tessellation.invariance.*

src/gallium/frontends/lavapipe/ci/gitlab-ci.yml

@@ -1,25 +1,39 @@
+.lavapipe-test:
+  stage: software-renderer
+  extends:
+    - .test-vk
+    - .lavapipe-rules
+    - .deqp-test-vk
+  variables:
+    GPU_VERSION: lvp
+    VK_DRIVER: lvp
+    DEQP_EXPECTED_RENDERER: llvmpipe
+
 lavapipe-vk:
   stage: software-renderer
   extends:
-    - .test-vk
-    - .lavapipe-rules
-    - .deqp-test-vk
+    - .lavapipe-test
   variables:
-    GPU_VERSION: lvp
-    VK_DRIVER: lvp
     DEQP_FRACTION: 10
-    DEQP_EXPECTED_RENDERER: llvmpipe
 
 lavapipe-nir-stress:
-  stage: software-renderer
   extends:
-    - .test-vk
-    - .lavapipe-rules
-    - .deqp-test-vk
+    - .lavapipe-test
   variables:
-    GPU_VERSION: lvp
-    VK_DRIVER: lvp
     DEQP_FRACTION: 100
-    DEQP_EXPECTED_RENDERER: llvmpipe
     NIR_TEST_CLONE: "true"
     NIR_TEST_SERIALIZE: "true"
+
+lavapipe-vk-asan:
+  extends:
+    - .lavapipe-test
+  variables:
+    GPU_VERSION: lvp-asan
+    DEQP_FRACTION: 50
+    TEST_LD_PRELOAD: libasan.so.6
+    # Disable the leak checks, since the library gets dlclose()d and thus get
+    # totally useless leak reports.  We can still catch buffer overflows.
+    ASAN_OPTIONS: "detect_leaks=0"
+  needs:
+    - debian/x86_test-vk
+    - debian-testing-asan