diff options
| author | Jakub Sitnicki <jakub@cloudflare.com> | 2025-08-14 11:59:34 +0200 |
|---|---|---|
| committer | Martin KaFai Lau <martin.lau@kernel.org> | 2025-08-18 10:29:43 -0700 |
| commit | bd1b51b319788cbc5769a44f0081a1cb012f8ae4 (patch) | |
| tree | 0a23256f16db2ab2d627198ecf96343399de0d29 /tools/testing/selftests/bpf/prog_tests | |
| parent | ed93360807801e7f69b74efec98a1bd674ba035e (diff) | |
selftests/bpf: Cover read/write to skb metadata at an offset
Exercise r/w access to skb metadata through an offset-adjusted dynptr,
read/write helper with an offset argument, and a slice starting at an
offset.
Also check for the expected errors when the offset is out of bounds.
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Reviewed-by: Jesse Brandeburg <jbrandeburg@cloudflare.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://patch.msgid.link/20250814-skb-metadata-thru-dynptr-v7-8-8a39e636e0fb@cloudflare.com
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c b/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c index 79c4c58276e6..24a7b4b7fdb6 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c @@ -375,6 +375,16 @@ void test_xdp_context_tuntap(void) skel->progs.ing_cls_dynptr_slice_rdwr, skel->progs.ing_cls_dynptr_slice, skel->maps.test_result); + if (test__start_subtest("dynptr_offset")) + test_tuntap(skel->progs.ing_xdp_zalloc_meta, + skel->progs.ing_cls_dynptr_offset_wr, + skel->progs.ing_cls_dynptr_offset_rd, + skel->maps.test_result); + if (test__start_subtest("dynptr_offset_oob")) + test_tuntap(skel->progs.ing_xdp, + skel->progs.ing_cls_dynptr_offset_oob, + skel->progs.ing_cls, + skel->maps.test_result); test_xdp_meta__destroy(skel); } |