182 lines
4.7 KiB
C
182 lines
4.7 KiB
C
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{
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"valid access family in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, family)),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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{
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"valid access remote_ip4 in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, remote_ip4)),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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{
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"valid access local_ip4 in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, local_ip4)),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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{
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"valid access remote_port in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, remote_port)),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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{
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"valid access local_port in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, local_port)),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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{
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"valid access remote_ip6 in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, remote_ip6[0])),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, remote_ip6[1])),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, remote_ip6[2])),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, remote_ip6[3])),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_SKB,
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},
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{
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"valid access local_ip6 in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, local_ip6[0])),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, local_ip6[1])),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, local_ip6[2])),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, local_ip6[3])),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_SKB,
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},
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{
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"valid access size in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct sk_msg_md, size)),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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{
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"invalid 64B read of size in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
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offsetof(struct sk_msg_md, size)),
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BPF_EXIT_INSN(),
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},
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.errstr = "invalid bpf_context access",
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.result = REJECT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
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},
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{
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"invalid read past end of SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
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offsetof(struct sk_msg_md, size) + 4),
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BPF_EXIT_INSN(),
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},
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.errstr = "invalid bpf_context access",
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.result = REJECT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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{
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"invalid read offset in SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
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offsetof(struct sk_msg_md, family) + 1),
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BPF_EXIT_INSN(),
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},
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.errstr = "invalid bpf_context access",
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.result = REJECT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
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},
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{
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"direct packet read for SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
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offsetof(struct sk_msg_md, data)),
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BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
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offsetof(struct sk_msg_md, data_end)),
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BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
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BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
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BPF_MOV64_IMM(BPF_REG_0, 0),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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{
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"direct packet write for SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
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offsetof(struct sk_msg_md, data)),
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BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
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offsetof(struct sk_msg_md, data_end)),
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BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
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BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
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BPF_MOV64_IMM(BPF_REG_0, 0),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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{
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"overlapping checks for direct packet access SK_MSG",
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.insns = {
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BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
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offsetof(struct sk_msg_md, data)),
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BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
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offsetof(struct sk_msg_md, data_end)),
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BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
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BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
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BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
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BPF_MOV64_IMM(BPF_REG_0, 0),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SK_MSG,
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},
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