Replace the sequential test payload pattern (0x01..0x38) with higher-entropy values that don't alias common protocol header fields such as IP version/IHL or ethertype LSBs. This reduces the chance of false positives from stray packets. Signed-off-by: Jakub Sitnicki --- tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c | 8 ++++---- tools/testing/selftests/bpf/progs/test_xdp_meta.c | 8 ++++---- 2 files changed, 8 insertions(+), 8 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 f5fbc19757e3..8bf586b5af32 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 @@ -21,10 +21,10 @@ #define TEST_PAYLOAD_LEN 32 static const __u8 test_payload[TEST_PAYLOAD_LEN] = { - 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, - 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, - 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, - 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, + 0x49, 0x20, 0x63, 0x72, 0x6f, 0x73, 0x73, 0x65, + 0x64, 0x20, 0x68, 0x6f, 0x6f, 0x6b, 0x73, 0x20, + 0x26, 0x20, 0x6c, 0x69, 0x76, 0x65, 0x64, 0x20, + 0x74, 0x6f, 0x20, 0x74, 0x65, 0x6c, 0x6c, 0x21, }; void test_xdp_context_error(int prog_fd, struct bpf_test_run_opts opts, diff --git a/tools/testing/selftests/bpf/progs/test_xdp_meta.c b/tools/testing/selftests/bpf/progs/test_xdp_meta.c index 4c224d5fe1b2..b0ab7f4f7a1b 100644 --- a/tools/testing/selftests/bpf/progs/test_xdp_meta.c +++ b/tools/testing/selftests/bpf/progs/test_xdp_meta.c @@ -24,10 +24,10 @@ bool test_pass; static const __u8 meta_want[META_SIZE] = { - 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, - 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, - 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, - 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, + 0x49, 0x20, 0x63, 0x72, 0x6f, 0x73, 0x73, 0x65, + 0x64, 0x20, 0x68, 0x6f, 0x6f, 0x6b, 0x73, 0x20, + 0x26, 0x20, 0x6c, 0x69, 0x76, 0x65, 0x64, 0x20, + 0x74, 0x6f, 0x20, 0x74, 0x65, 0x6c, 0x6c, 0x21, }; static bool check_metadata(const char *file, int line, __u8 *meta_have) -- 2.43.0