Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Cross-merge bpf fixes after downstream PR.

No conflicts.

Adjacent changes in:

include/linux/bpf.h
include/uapi/linux/bpf.h
kernel/bpf/btf.c
kernel/bpf/helpers.c
kernel/bpf/syscall.c
kernel/bpf/verifier.c
kernel/trace/bpf_trace.c
mm/slab_common.c
tools/include/uapi/linux/bpf.h
tools/testing/selftests/bpf/Makefile

Link: https://lore.kernel.org/all/20241024215724.60017-1-daniel@iogearbox.net/
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/tools/testing/selftests/bpf/prog_tests/kfunc_module_order.c b/tools/testing/selftests/bpf/prog_tests/kfunc_module_order.c
new file mode 100644
index 000000000000..48c0560d398e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/kfunc_module_order.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <testing_helpers.h>
+
+#include "kfunc_module_order.skel.h"
+
+static int test_run_prog(const struct bpf_program *prog,
+			 struct bpf_test_run_opts *opts)
+{
+	int err;
+
+	err = bpf_prog_test_run_opts(bpf_program__fd(prog), opts);
+	if (!ASSERT_OK(err, "bpf_prog_test_run_opts"))
+		return err;
+
+	if (!ASSERT_EQ((int)opts->retval, 0, bpf_program__name(prog)))
+		return -EINVAL;
+
+	return 0;
+}
+
+void test_kfunc_module_order(void)
+{
+	struct kfunc_module_order *skel;
+	char pkt_data[64] = {};
+	int err = 0;
+
+	DECLARE_LIBBPF_OPTS(bpf_test_run_opts, test_opts, .data_in = pkt_data,
+			    .data_size_in = sizeof(pkt_data));
+
+	err = load_module("bpf_test_modorder_x.ko",
+			  env_verbosity > VERBOSE_NONE);
+	if (!ASSERT_OK(err, "load bpf_test_modorder_x.ko"))
+		return;
+
+	err = load_module("bpf_test_modorder_y.ko",
+			  env_verbosity > VERBOSE_NONE);
+	if (!ASSERT_OK(err, "load bpf_test_modorder_y.ko"))
+		goto exit_modx;
+
+	skel = kfunc_module_order__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "kfunc_module_order__open_and_load()")) {
+		err = -EINVAL;
+		goto exit_mods;
+	}
+
+	test_run_prog(skel->progs.call_kfunc_xy, &test_opts);
+	test_run_prog(skel->progs.call_kfunc_yx, &test_opts);
+
+	kfunc_module_order__destroy(skel);
+exit_mods:
+	unload_module("bpf_test_modorder_y", env_verbosity > VERBOSE_NONE);
+exit_modx:
+	unload_module("bpf_test_modorder_x", env_verbosity > VERBOSE_NONE);
+}