CI: switch from 6.6 to 6.7

Test against the latest mainline release instead of the latest stable.
This will allow testing netkit devices.

Signed-off-by: Lorenz Bauer <[email protected]>

Author: lmb

.github/workflows/ci.yml

@@ -173,7 +173,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        version: ["6.6", "6.1", "5.15", "5.10", "5.4", "4.19", "4.14", "4.9"]
+        version: ["6.7", "6.1", "5.15", "5.10", "5.4", "4.19", "4.14", "4.9"]
     env:
       KERNEL_VERSION: "${{ matrix.version }}"
     steps:

Makefile

@@ -104,7 +104,7 @@ testdata/loader-%-eb.elf: testdata/loader.c
 	$(STRIP) -g $@
 
 .PHONY: update-kernel-deps
-update-kernel-deps: export KERNEL_VERSION?=6.6
+update-kernel-deps: export KERNEL_VERSION?=6.7
 update-kernel-deps:
 	./testdata/sh/update-kernel-deps.sh
 	$(MAKE) container-all

btf/testdata/btf_testmod.btf

@@ -996,14 +996,20 @@ func TestLibBPFCompat(t *testing.T) {
 		case "netif_receive_skb",
 			"local_kptr_stash",
 			"local_kptr_stash_fail",
-			"type_cast":
-			t.Skip("Skipping due to possible bug in upstream CO-RE generation")
+			"type_cast",
+			"preempted_bpf_ma_op",
+			"percpu_alloc_fail":
+			// Error message like
+			//    fixup for CORERelocation(local_type_id, Struct:"bin_data"[0],
+			//    local_id=27): invalid immediate 31, expected 27 (fixup: local_type_id=27->1)
+			// See https://github.com/cilium/ebpf/issues/739
+			t.Skip("Skipping due to bug in libbpf type deduplication")
 		case "test_usdt", "test_urandom_usdt", "test_usdt_multispec":
 			t.Skip("Skipping due to missing support for usdt.bpf.h")
 		case "lsm_cgroup", "bpf_iter_ipv6_route", "test_core_extern",
 			"profiler1", "profiler2", "profiler3":
 			t.Skip("Skipping due to using weak CONFIG_* variables")
-		case "linked_maps1", "linked_maps2", "linked_funcs1", "linked_funcs2",
+		case "linked_maps", "linked_maps1", "linked_maps2", "linked_funcs1", "linked_funcs2",
 			"test_subskeleton", "test_subskeleton_lib":
 			t.Skip("Skipping due to relying on cross ELF linking")
 		}