| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20190618130050.8344-8-jakub@cloudflare.com>
Date: Tue, 18 Jun 2019 15:00:50 +0200
From: Jakub Sitnicki <jakub@...udflare.com>
To: netdev@...r.kernel.org, bpf@...r.kernel.org
Cc: kernel-team@...udflare.com
Subject: [RFC bpf-next 7/7] bpf: Add verifier tests for inet_lookup context access
Exercise verifier access checks for bpf_inet_lookup context object fields.
Signed-off-by: Jakub Sitnicki <jakub@...udflare.com>
---
.../selftests/bpf/verifier/ctx_inet_lookup.c | 511 ++++++++++++++++++
1 file changed, 511 insertions(+)
create mode 100644 tools/testing/selftests/bpf/verifier/ctx_inet_lookup.c
diff --git a/tools/testing/selftests/bpf/verifier/ctx_inet_lookup.c b/tools/testing/selftests/bpf/verifier/ctx_inet_lookup.c
new file mode 100644
index 000000000000..b4555fb03e17
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ctx_inet_lookup.c
@@ -0,0 +1,511 @@
+{
+ "valid 1,2,4-byte read bpf_inet_lookup remote_ip4",
+ .insns = {
+ /* 4-byte read */
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip4)),
+ /* 2-byte read */
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip4)),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip4) + 2),
+ /* 1-byte read */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip4)),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip4) + 3),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte read bpf_inet_lookup remote_ip4",
+ .insns = {
+ /* 8-byte read */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte write bpf_inet_lookup remote_ip4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x7f000001U),
+ /* 4-byte write */
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 4-byte write bpf_inet_lookup remote_ip4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x7f000001U),
+ /* 4-byte write */
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 2-byte write bpf_inet_lookup remote_ip4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x7f000001U),
+ /* 2-byte write */
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 1-byte write bpf_inet_lookup remote_ip4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x7f000001U),
+ /* 1-byte write */
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "valid 1,2,4-byte read bpf_inet_lookup local_ip4",
+ .insns = {
+ /* 4-byte read */
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip4)),
+ /* 2-byte read */
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip4)),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip4) + 2),
+ /* 1-byte read */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip4)),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip4) + 3),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte read bpf_inet_lookup local_ip4",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "valid 4-byte write bpf_inet_lookup local_ip4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x7f000001U),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte write bpf_inet_lookup local_ip4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x7f000001U),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 2-byte write bpf_inet_lookup local_ip4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x7f000001U),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 1-byte write bpf_inet_lookup local_ip4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x7f000001U),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "valid 1,2,4-byte read bpf_inet_lookup remote_ip6",
+ .insns = {
+ /* 4-byte read */
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip6[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip6[3])),
+ /* 2-byte read */
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip6[0])),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup,
+ remote_ip6[3]) + 2),
+ /* 1-byte read */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip6[0])),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup,
+ remote_ip6[3]) + 3),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte read bpf_inet_lookup remote_ip6",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte write bpf_inet_lookup remote_ip6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x00000001U),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 4-byte write bpf_inet_lookup remote_ip6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x00000001U),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 2-byte write bpf_inet_lookup remote_ip6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x00000001U),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 1-byte write bpf_inet_lookup remote_ip6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x00000001U),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "valid 1,2,4-byte read bpf_inet_lookup local_ip6",
+ .insns = {
+ /* 4-byte read */
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip6[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip6[3])),
+ /* 2-byte read */
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip6[0])),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip6[3]) + 2),
+ /* 1-byte read */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip6[0])),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip6[3]) + 3),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte read bpf_inet_lookup local_ip6",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte write bpf_inet_lookup local_ip6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x00000001U),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "valid 4-byte write bpf_inet_lookup local_ip6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x00000001U),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 2-byte write bpf_inet_lookup local_ip6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x00000001U),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 1-byte write bpf_inet_lookup local_ip6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0x00000001U),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_ip6[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "valid 4-byte read bpf_inet_lookup remote_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte read bpf_inet_lookup remote_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 2-byte read bpf_inet_lookup remote_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 1-byte read bpf_inet_lookup remote_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte write bpf_inet_lookup remote_port",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1234),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 4-byte write bpf_inet_lookup remote_port",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1234),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 2-byte write bpf_inet_lookup remote_port",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1234),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 1-byte write bpf_inet_lookup remote_port",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1234),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "valid 4-byte read bpf_inet_lookup local_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte read bpf_inet_lookup local_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 2-byte read bpf_inet_lookup local_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 1-byte read bpf_inet_lookup local_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_inet_lookup, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "valid 4-byte write bpf_inet_lookup local_port",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1234),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 8-byte write bpf_inet_lookup local_port",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1234),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 2-byte write bpf_inet_lookup local_port",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1234),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
+{
+ "invalid 1-byte write bpf_inet_lookup local_port",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1234),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_inet_lookup, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_INET_LOOKUP,
+},
--
2.20.1
Powered by blists - more mailing lists