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| author |   Jakub Sitnicki <jakub@cloudflare.com> | 2020-04-30 12:47:38 +0200 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2020-04-30 16:21:14 +0200 |
| commit | c321022244708aec4675de4f032ef1ba9ff0c640 (patch) | |
| tree | 51d2d2304240d011b32fa31fa3f44caed6360ef9 /tools/testing/selftests/bpf/verifier | |
| parent | libbpf: Fix false uninitialized variable warning (diff) | |
| download | wireguard-linux-c321022244708aec4675de4f032ef1ba9ff0c640.tar.xz wireguard-linux-c321022244708aec4675de4f032ef1ba9ff0c640.zip | |
selftests/bpf: Test allowed maps for bpf_sk_select_reuseport
Check that verifier allows passing a map of type:
BPF_MAP_TYPE_REUSEPORT_SOCKARRARY, or
BPF_MAP_TYPE_SOCKMAP, or
BPF_MAP_TYPE_SOCKHASH
... to bpf_sk_select_reuseport helper.
Suggested-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200430104738.494180-1-jakub@cloudflare.com
Diffstat (limited to 'tools/testing/selftests/bpf/verifier')
| -rw-r--r-- | tools/testing/selftests/bpf/verifier/sock.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/sock.c b/tools/testing/selftests/bpf/verifier/sock.c index f87ad69dbc62..0bc51ad9e0fb 100644 --- a/tools/testing/selftests/bpf/verifier/sock.c +++ b/tools/testing/selftests/bpf/verifier/sock.c @@ -586,3 +586,48 @@ .prog_type = BPF_PROG_TYPE_SK_SKB, .result = ACCEPT, }, +{ + "bpf_sk_select_reuseport(ctx, reuseport_array, &key, flags)", + .insns = { + BPF_MOV64_IMM(BPF_REG_4, 0), + BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), + BPF_MOV64_REG(BPF_REG_3, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4), + BPF_LD_MAP_FD(BPF_REG_2, 0), + BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport), + BPF_EXIT_INSN(), + }, + .fixup_map_reuseport_array = { 4 }, + .prog_type = BPF_PROG_TYPE_SK_REUSEPORT, + .result = ACCEPT, +}, +{ + "bpf_sk_select_reuseport(ctx, sockmap, &key, flags)", + .insns = { + BPF_MOV64_IMM(BPF_REG_4, 0), + BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), + BPF_MOV64_REG(BPF_REG_3, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4), + BPF_LD_MAP_FD(BPF_REG_2, 0), + BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport), + BPF_EXIT_INSN(), + }, + .fixup_map_sockmap = { 4 }, + .prog_type = BPF_PROG_TYPE_SK_REUSEPORT, + .result = ACCEPT, +}, +{ + "bpf_sk_select_reuseport(ctx, sockhash, &key, flags)", + .insns = { + BPF_MOV64_IMM(BPF_REG_4, 0), + BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), + BPF_MOV64_REG(BPF_REG_3, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4), + BPF_LD_MAP_FD(BPF_REG_2, 0), + BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport), + BPF_EXIT_INSN(), + }, + .fixup_map_sockmap = { 4 }, + .prog_type = BPF_PROG_TYPE_SK_REUSEPORT, + .result = ACCEPT, +}, |