chore(ci): switch to github-provided arm64 runners.

Signed-off-by: Federico Di Pierro <nierro92@gmail.com>

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ concurrency:
 jobs:
   build-libs-linux:
     name: build-libs-linux-${{ matrix.arch }} 😁 (${{ matrix.name }})
-    runs-on: ${{ (matrix.arch == 'arm64' && 'github-arm64-2c-8gb') || 'ubuntu-22.04' }}
+    runs-on: ${{ (matrix.arch == 'arm64' && 'ubuntu-22.04-arm') || 'ubuntu-22.04' }}
     strategy:
       fail-fast: false
       matrix:

.github/workflows/drivers_ci.yml

@@ -39,7 +39,7 @@ jobs:
   # This job run all engine tests and scap-open
   test-scap:
     name: test-scap-${{ matrix.arch }} 😆 (bundled_deps)
-    runs-on: ${{ (matrix.arch == 'arm64' && 'github-arm64-2c-8gb') || 'ubuntu-22.04' }}
+    runs-on: ${{ (matrix.arch == 'arm64' && 'ubuntu-22.04-arm') || 'ubuntu-22.04' }}
     needs: paths-filter
     strategy:
       matrix:
@@ -104,7 +104,7 @@ jobs:
 
   test-drivers:
     name: test-drivers-${{ matrix.arch }} 😇 (bundled_deps)
-    runs-on: ${{ (matrix.arch == 'arm64' && 'github-arm64-2c-8gb') || 'ubuntu-22.04' }}
+    runs-on: ${{ (matrix.arch == 'arm64' && 'ubuntu-22.04-arm') || 'ubuntu-22.04' }}
     needs: paths-filter
     strategy:
       matrix:

.github/workflows/e2e_ci.yml

@@ -15,7 +15,7 @@ concurrency:
 jobs:
   build-test-e2e:
     name: build-test-e2e-${{ matrix.arch }} 😇 (bundled_deps)
-    runs-on: ${{ (matrix.arch == 'arm64' && 'github-arm64-2c-8gb') || 'ubuntu-22.04' }}
+    runs-on: ${{ (matrix.arch == 'arm64' && 'ubuntu-22.04-arm') || 'ubuntu-22.04' }}
     strategy:
       matrix:
         arch: [amd64, arm64]
@@ -105,7 +105,7 @@ jobs:
   test-e2e:
     name: test-e2e-${{ matrix.arch }}-${{ matrix.driver.name }} 😇 (bundled_deps)
     needs: [build-test-e2e]
-    runs-on: ${{ (matrix.arch == 'arm64' && 'github-arm64-2c-8gb') || 'ubuntu-22.04' }}
+    runs-on: ${{ (matrix.arch == 'arm64' && 'ubuntu-22.04-arm') || 'ubuntu-22.04' }}
     strategy:
       matrix:
         arch: [amd64, arm64]

.github/workflows/latest-kernel.yml

@@ -78,7 +78,7 @@ jobs:
     needs: 'compute-latest-version'
     outputs:
       build: ${{ steps.build.outcome }}
-    runs-on: 'github-arm64-2c-8gb'
+    runs-on: 'ubuntu-22.04-arm'
     steps:
       - name: Download driverkit config
         uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8

userspace/libsinsp/container.cpp

@@ -569,6 +569,7 @@ void sinsp_container_manager::create_engines() {
 		m_container_engine_by_type[CT_DOCKER].push_back(docker_engine);
 	}
 
+	size_t engine_index = 0;
 	if(m_container_engine_mask & ((1 << CT_CRI) | (1 << CT_CRIO) | (1 << CT_CONTAINERD))) {
 		// Get CRI socket paths from settings
 		libsinsp::cri::cri_settings& cri_settings = libsinsp::cri::cri_settings::get();
@@ -577,17 +578,18 @@ void sinsp_container_manager::create_engines() {
 			cri_settings.add_cri_unix_socket_path("/run/containerd/containerd.sock");
 			cri_settings.add_cri_unix_socket_path("/run/crio/crio.sock");
 			cri_settings.add_cri_unix_socket_path("/run/k3s/containerd/containerd.sock");
+			cri_settings.add_cri_unix_socket_path("/run/host-containerd/containerd.sock");
 		}
 
 		const auto& cri_socket_paths = cri_settings.get_cri_unix_socket_paths();
 
-		size_t engine_index = 0;
 		for(auto socket_path : cri_socket_paths) {
 			auto cri_engine =
 			        std::make_shared<container_engine::cri>(*this, socket_path, engine_index);
 			m_container_engines.push_back(cri_engine);
 			m_container_engine_by_type[CT_CRI].push_back(cri_engine);
 			m_container_engine_by_type[CT_CRIO].push_back(cri_engine);
+			m_container_engine_by_type[CT_CONTAINERD].push_back(cri_engine);
 			engine_index++;
 		}
 	}
@@ -617,7 +619,8 @@ void sinsp_container_manager::create_engines() {
 		m_container_engine_by_type[CT_BPM].push_back(bpm_engine);
 	}
 	if(m_container_engine_mask & (1 << CT_CONTAINERD)) {
-		auto containerd_engine = std::make_shared<container_engine::containerd>(*this);
+		auto containerd_engine =
+		        std::make_shared<container_engine::containerd>(*this, engine_index);
 		m_container_engines.push_back(containerd_engine);
 		m_container_engine_by_type[CT_CONTAINERD].push_back(containerd_engine);
 	}

userspace/libsinsp/container_engine/containerd.cpp

@@ -37,7 +37,7 @@ constexpr const std::string_view CONTAINERD_SOCKETS[] = {
 };
 
 bool containerd_async_source::is_ok() {
-	return m_container_stub != nullptr && m_image_stub != nullptr;
+	return m_container_stub && m_image_stub;
 }
 
 static inline void setup_grpc_client_context(grpc::ClientContext &context) {
@@ -144,8 +144,11 @@ grpc::Status containerd_async_source::get_image_resp(
 	return m_image_stub->Get(&context, req, &resp);
 }
 
-libsinsp::container_engine::containerd::containerd(container_cache_interface &cache):
+libsinsp::container_engine::containerd::containerd(container_cache_interface &cache,
+                                                   size_t engine_index):
         container_engine_base(cache) {
+	m_engine_index = engine_index;
+
 	for(const auto &p : CONTAINERD_SOCKETS) {
 		if(p.empty()) {
 			continue;
@@ -158,11 +161,8 @@ libsinsp::container_engine::containerd::containerd(container_cache_interface &ca
 		}
 
 		container_cache_interface *cache_interface = &container_cache();
-		auto src = new containerd_async_source(socket_path,
+		m_containerd_info_source =
-		                                       containerd_async_source::NO_WAIT_LOOKUP,
+		        std::make_unique<containerd_async_source>(socket_path, 0, 10000, cache_interface);
-		                                       10000,
-		                                       cache_interface);
-		m_containerd_info_source.reset(src);
 		if(!m_containerd_info_source->is_ok()) {
 			m_containerd_info_source.reset(nullptr);
 			continue;
@@ -172,6 +172,10 @@ libsinsp::container_engine::containerd::containerd(container_cache_interface &ca
 
 bool containerd_async_source::parse(const containerd_lookup_request &request,
                                     sinsp_container_info &container) {
+	if(!is_ok()) {
+		return false;
+	}
+
 	auto container_id = request.container_id;
 
 	libsinsp_logger()->format(sinsp_logger::SEV_DEBUG,
@@ -294,12 +298,13 @@ void libsinsp::container_engine::containerd::parse_containerd(
 		libsinsp_logger()->format(sinsp_logger::SEV_DEBUG,
 		                          "containerd_async (%s): Starting asynchronous lookup",
 		                          request.container_id.c_str());
-		done = m_containerd_info_source->lookup(request, result);
+		done = m_containerd_info_source && m_containerd_info_source->lookup(request, result);
 	} else {
 		libsinsp_logger()->format(sinsp_logger::SEV_DEBUG,
 		                          "containerd_async (%s): Starting synchronous lookup",
 		                          request.container_id.c_str());
-		done = m_containerd_info_source->lookup_sync(request, result);
+
+		done = m_containerd_info_source && m_containerd_info_source->lookup_sync(request, result);
 	}
 	if(done) {
 		// if a previous lookup call already found the metadata, process it now
@@ -339,7 +344,7 @@ bool libsinsp::container_engine::containerd::resolve(sinsp_threadinfo *tinfo,
 			return true;
 		}
 
-		if(cache->should_lookup(request.container_id, request.container_type)) {
+		if(cache->should_lookup(request.container_id, request.container_type, m_engine_index)) {
 			libsinsp_logger()->format(sinsp_logger::SEV_DEBUG,
 			                          "containerd_async (%s): No existing container info",
 			                          request.container_id.c_str());
@@ -348,7 +353,7 @@ bool libsinsp::container_engine::containerd::resolve(sinsp_threadinfo *tinfo,
 			cache->set_lookup_status(request.container_id,
 			                         request.container_type,
 			                         sinsp_container_lookup::state::STARTED,
-			                         0);
+			                         m_engine_index);
 			parse_containerd(request, cache);
 		}
 		return false;
@@ -375,7 +380,7 @@ bool libsinsp::container_engine::containerd::resolve(sinsp_threadinfo *tinfo,
 	container.m_cpu_period = limits.m_cpu_period;
 	container.m_cpuset_cpu_count = limits.m_cpuset_cpu_count;
 
-	if(container_cache().should_lookup(container.m_id, CT_CONTAINERD)) {
+	if(container_cache().should_lookup(container.m_id, CT_CONTAINERD, m_engine_index)) {
 		container.m_name = container.m_id;
 		container.set_lookup_status(sinsp_container_lookup::state::SUCCESSFUL);
 		container_cache().add_container(std::make_shared<sinsp_container_info>(container), tinfo);

userspace/libsinsp/container_engine/containerd.h

@@ -100,7 +100,7 @@ private:
 
 class containerd : public container_engine_base {
 public:
-	containerd(container_cache_interface& cache);
+	containerd(container_cache_interface& cache, size_t engine_index);
 
 	void parse_containerd(const containerd_lookup_request& request,
 	                      container_cache_interface* cache);
@@ -108,6 +108,7 @@ public:
 
 private:
 	std::unique_ptr<containerd_async_source> m_containerd_info_source;
+	size_t m_engine_index;
 };
 
 }  // namespace container_engine

userspace/libsinsp/filter/parser.h

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2023 The Falco Authors.
+Copyright (C) 2025 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -64,10 +64,15 @@ class RE2;
 //     UnaryOperator       ::= 'exists'
 //     NumOperator         ::= '<=' | '<' | '>=' | '>'
 //     StrOperator         ::= '==' | '=' | '!='
-//                             | 'glob ' | 'iglob '
+//                             | 'bcontains ' | 'bstartswith '
-//                             | 'contains ' | 'icontains ' | 'bcontains '
+//                             | 'contains '
-//                             | 'startswith ' | 'bstartswith ' | 'endswith '
+//                             | 'endswith '
-//     ListOperator        ::= 'intersects' | 'in' | 'pmatch'
+//                             | 'glob '
+//                             | 'icontains '
+//                             | 'iglob '
+//                             | 'startswith '
+//                             | 'regex '
+//     ListOperator        ::= 'in' | 'intersects' | 'pmatch'
 //     FieldTransformerVal    ::= 'val('
 //     FieldTransformerType   ::= 'tolower(' | 'toupper(' | 'b64(' | 'basename(' | 'len('
 //

userspace/libsinsp/runc.cpp

@@ -27,6 +27,7 @@ namespace {
 
 const size_t CONTAINER_ID_LENGTH = 64;
 const size_t REPORTED_CONTAINER_ID_LENGTH = 12;
+const char *CONTAINER_ID_VALID_CHARACTERS = "0123456789abcdefABCDEF";
 
 static_assert(REPORTED_CONTAINER_ID_LENGTH <= CONTAINER_ID_LENGTH,
               "Reported container ID length cannot be longer than actual length");
@@ -40,21 +41,6 @@ inline static bool endswith(const std::string &s, const std::string &suffix) {
 	return s.rfind(suffix) == (s.size() - suffix.size());
 }
 
-inline static bool is_host(const std::string &cgroup) {
-	// A good approximation to minize false-positives is to exclude systemd suffixes.
-	if(endswith(cgroup, ".slice") || endswith(cgroup, ".service")) {
-		return true;
-	} else if(endswith(cgroup, ".scope")) {
-		if(cgroup.find("crio-") != std::string::npos ||
-		   cgroup.find("docker-") != std::string::npos) {
-			return false;
-		}
-		return true;
-	}
-
-	return false;
-}
-
 // check if cgroup ends with <prefix><container_id><suffix>
 // If true, set <container_id> to a truncated version of the id and return true.
 // Otherwise return false and leave container_id unchanged
@@ -73,6 +59,12 @@ bool match_one_container_id(const std::string &cgroup,
 		return false;
 	}
 
+	if(end_pos - start_pos == CONTAINER_ID_LENGTH &&
+	   cgroup.find_first_not_of(CONTAINER_ID_VALID_CHARACTERS, start_pos) >= CONTAINER_ID_LENGTH) {
+		container_id = cgroup.substr(start_pos, REPORTED_CONTAINER_ID_LENGTH);
+		return true;
+	}
+
 	// In some container runtimes the container the container id is not
 	// necessarly CONTAINER_ID_LENGTH long and can be arbitrarly defined.
 	// To keep it simple we only discard the container id > of CONTAINER_ID_LENGTH.
@@ -80,15 +72,17 @@ bool match_one_container_id(const std::string &cgroup,
 		return false;
 	}
 
-	if(is_host(cgroup)) {
+	// Avoid system host cgroups.
-		return false;
+	if(cgroup.rfind("/default/") == 0 && !endswith(cgroup, ".service") &&
-	}
+	   !endswith(cgroup, ".slice")) {
-
 		size_t reported_len = end_pos - start_pos >= REPORTED_CONTAINER_ID_LENGTH
 		                              ? REPORTED_CONTAINER_ID_LENGTH
-	                              : end_pos;
+		                              : end_pos - start_pos;
 		container_id = cgroup.substr(start_pos, reported_len);
 		return true;
+	}
+
+	return false;
 }
 
 bool match_container_id(const std::string &cgroup,

userspace/libsinsp/test/container_engine/cri_settings.ut.cpp

@@ -35,9 +35,10 @@ TEST_F(sinsp_with_test_input, default_cri_socket_paths) {
 
 	auto socket_paths = cri_settings.get_cri_unix_socket_paths();
 
-	ASSERT_EQ(socket_paths.size(), 3);
+	ASSERT_EQ(socket_paths.size(), 4);
 	ASSERT_TRUE("/run/containerd/containerd.sock" == socket_paths[0]);
 	ASSERT_TRUE("/run/crio/crio.sock" == socket_paths[1]);
 	ASSERT_TRUE("/run/k3s/containerd/containerd.sock" == socket_paths[2]);
+	ASSERT_TRUE("/run/host-containerd/containerd.sock" == socket_paths[3]);
 }
 #endif