461 lines
15 KiB
C
461 lines
15 KiB
C
{
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"helper access to packet: test1, valid packet_ptr range",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
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offsetof(struct xdp_md, data_end)),
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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, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
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BPF_MOV64_IMM(BPF_REG_4, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_update_elem),
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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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.fixup_map_hash_8b = { 5 },
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.result_unpriv = ACCEPT,
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_XDP,
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},
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{
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"helper access to packet: test2, unchecked packet_ptr",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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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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.fixup_map_hash_8b = { 1 },
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.result = REJECT,
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.errstr = "invalid access to packet",
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.prog_type = BPF_PROG_TYPE_XDP,
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},
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{
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"helper access to packet: test3, variable add",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
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offsetof(struct xdp_md, data_end)),
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BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10),
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BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0),
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BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
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BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5),
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BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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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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.fixup_map_hash_8b = { 11 },
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_XDP,
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},
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{
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"helper access to packet: test4, packet_ptr with bad range",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
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offsetof(struct xdp_md, data_end)),
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BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
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BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2),
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BPF_MOV64_IMM(BPF_REG_0, 0),
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BPF_EXIT_INSN(),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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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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.fixup_map_hash_8b = { 7 },
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.result = REJECT,
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.errstr = "invalid access to packet",
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.prog_type = BPF_PROG_TYPE_XDP,
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},
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{
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"helper access to packet: test5, packet_ptr with too short range",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
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offsetof(struct xdp_md, data_end)),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
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BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7),
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BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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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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.fixup_map_hash_8b = { 6 },
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.result = REJECT,
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.errstr = "invalid access to packet",
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.prog_type = BPF_PROG_TYPE_XDP,
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},
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{
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"helper access to packet: test6, cls valid packet_ptr range",
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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_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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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, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
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BPF_MOV64_IMM(BPF_REG_4, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_update_elem),
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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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.fixup_map_hash_8b = { 5 },
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SCHED_CLS,
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},
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{
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"helper access to packet: test7, cls unchecked packet_ptr",
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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_buff, data)),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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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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.fixup_map_hash_8b = { 1 },
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.result = REJECT,
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.errstr = "invalid access to packet",
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.prog_type = BPF_PROG_TYPE_SCHED_CLS,
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},
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{
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"helper access to packet: test8, cls variable add",
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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_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10),
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BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0),
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BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
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BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5),
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BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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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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.fixup_map_hash_8b = { 11 },
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_SCHED_CLS,
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},
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{
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"helper access to packet: test9, cls packet_ptr with bad range",
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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_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
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BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2),
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BPF_MOV64_IMM(BPF_REG_0, 0),
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BPF_EXIT_INSN(),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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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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.fixup_map_hash_8b = { 7 },
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.result = REJECT,
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.errstr = "invalid access to packet",
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.prog_type = BPF_PROG_TYPE_SCHED_CLS,
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},
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{
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"helper access to packet: test10, cls packet_ptr with too short range",
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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_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
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BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7),
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BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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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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.fixup_map_hash_8b = { 6 },
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.result = REJECT,
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.errstr = "invalid access to packet",
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.prog_type = BPF_PROG_TYPE_SCHED_CLS,
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},
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{
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"helper access to packet: test11, cls unsuitable helper 1",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
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offsetof(struct __sk_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
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BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 7),
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BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_7, 4),
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BPF_MOV64_IMM(BPF_REG_2, 0),
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BPF_MOV64_IMM(BPF_REG_4, 42),
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BPF_MOV64_IMM(BPF_REG_5, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_store_bytes),
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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 = REJECT,
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.errstr = "helper access to the packet",
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.prog_type = BPF_PROG_TYPE_SCHED_CLS,
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},
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{
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"helper access to packet: test12, cls unsuitable helper 2",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
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offsetof(struct __sk_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
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BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_7, 3),
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BPF_MOV64_IMM(BPF_REG_2, 0),
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BPF_MOV64_IMM(BPF_REG_4, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
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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 = REJECT,
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.errstr = "helper access to the packet",
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.prog_type = BPF_PROG_TYPE_SCHED_CLS,
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},
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{
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"helper access to packet: test13, cls helper ok",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
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offsetof(struct __sk_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
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BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_MOV64_IMM(BPF_REG_2, 4),
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BPF_MOV64_IMM(BPF_REG_3, 0),
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BPF_MOV64_IMM(BPF_REG_4, 0),
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BPF_MOV64_IMM(BPF_REG_5, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
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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_SCHED_CLS,
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},
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{
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"helper access to packet: test14, cls helper ok sub",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
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offsetof(struct __sk_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
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BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
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BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 4),
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BPF_MOV64_IMM(BPF_REG_2, 4),
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BPF_MOV64_IMM(BPF_REG_3, 0),
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BPF_MOV64_IMM(BPF_REG_4, 0),
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BPF_MOV64_IMM(BPF_REG_5, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
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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_SCHED_CLS,
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},
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{
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"helper access to packet: test15, cls helper fail sub",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
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offsetof(struct __sk_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
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BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
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BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 12),
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BPF_MOV64_IMM(BPF_REG_2, 4),
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BPF_MOV64_IMM(BPF_REG_3, 0),
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BPF_MOV64_IMM(BPF_REG_4, 0),
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BPF_MOV64_IMM(BPF_REG_5, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
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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 = REJECT,
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.errstr = "invalid access to packet",
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.prog_type = BPF_PROG_TYPE_SCHED_CLS,
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},
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{
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"helper access to packet: test16, cls helper fail range 1",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
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offsetof(struct __sk_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
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BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_MOV64_IMM(BPF_REG_2, 8),
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BPF_MOV64_IMM(BPF_REG_3, 0),
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BPF_MOV64_IMM(BPF_REG_4, 0),
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BPF_MOV64_IMM(BPF_REG_5, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
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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 = REJECT,
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.errstr = "invalid access to packet",
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.prog_type = BPF_PROG_TYPE_SCHED_CLS,
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},
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{
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"helper access to packet: test17, cls helper fail range 2",
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.insns = {
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BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
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offsetof(struct __sk_buff, data)),
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BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
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offsetof(struct __sk_buff, data_end)),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
|
|
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
|
|
BPF_MOV64_IMM(BPF_REG_2, -9),
|
|
BPF_MOV64_IMM(BPF_REG_3, 0),
|
|
BPF_MOV64_IMM(BPF_REG_4, 0),
|
|
BPF_MOV64_IMM(BPF_REG_5, 0),
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.result = REJECT,
|
|
.errstr = "R2 min value is negative",
|
|
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
|
|
},
|
|
{
|
|
"helper access to packet: test18, cls helper fail range 3",
|
|
.insns = {
|
|
BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
|
|
offsetof(struct __sk_buff, data)),
|
|
BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
|
|
offsetof(struct __sk_buff, data_end)),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
|
|
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
|
|
BPF_MOV64_IMM(BPF_REG_2, ~0),
|
|
BPF_MOV64_IMM(BPF_REG_3, 0),
|
|
BPF_MOV64_IMM(BPF_REG_4, 0),
|
|
BPF_MOV64_IMM(BPF_REG_5, 0),
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.result = REJECT,
|
|
.errstr = "R2 min value is negative",
|
|
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
|
|
},
|
|
{
|
|
"helper access to packet: test19, cls helper range zero",
|
|
.insns = {
|
|
BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
|
|
offsetof(struct __sk_buff, data)),
|
|
BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
|
|
offsetof(struct __sk_buff, data_end)),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
|
|
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
|
|
BPF_MOV64_IMM(BPF_REG_2, 0),
|
|
BPF_MOV64_IMM(BPF_REG_3, 0),
|
|
BPF_MOV64_IMM(BPF_REG_4, 0),
|
|
BPF_MOV64_IMM(BPF_REG_5, 0),
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.result = ACCEPT,
|
|
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
|
|
},
|
|
{
|
|
"helper access to packet: test20, pkt end as input",
|
|
.insns = {
|
|
BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
|
|
offsetof(struct __sk_buff, data)),
|
|
BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
|
|
offsetof(struct __sk_buff, data_end)),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
|
|
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
|
|
BPF_MOV64_IMM(BPF_REG_2, 4),
|
|
BPF_MOV64_IMM(BPF_REG_3, 0),
|
|
BPF_MOV64_IMM(BPF_REG_4, 0),
|
|
BPF_MOV64_IMM(BPF_REG_5, 0),
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.result = REJECT,
|
|
.errstr = "R1 type=pkt_end expected=fp",
|
|
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
|
|
},
|
|
{
|
|
"helper access to packet: test21, wrong reg",
|
|
.insns = {
|
|
BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
|
|
offsetof(struct __sk_buff, data)),
|
|
BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
|
|
offsetof(struct __sk_buff, data_end)),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
|
|
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
|
|
BPF_MOV64_IMM(BPF_REG_2, 4),
|
|
BPF_MOV64_IMM(BPF_REG_3, 0),
|
|
BPF_MOV64_IMM(BPF_REG_4, 0),
|
|
BPF_MOV64_IMM(BPF_REG_5, 0),
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.result = REJECT,
|
|
.errstr = "invalid access to packet",
|
|
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
|
|
},
|