| { |
| "ld_abs: check calling conv, r1", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_MOV64_IMM(BPF_REG_1, 0), |
| BPF_LD_ABS(BPF_W, -0x200000), |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "R1 !read_ok", |
| .result = REJECT, |
| }, |
| { |
| "ld_abs: check calling conv, r2", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_MOV64_IMM(BPF_REG_2, 0), |
| BPF_LD_ABS(BPF_W, -0x200000), |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "R2 !read_ok", |
| .result = REJECT, |
| }, |
| { |
| "ld_abs: check calling conv, r3", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_MOV64_IMM(BPF_REG_3, 0), |
| BPF_LD_ABS(BPF_W, -0x200000), |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "R3 !read_ok", |
| .result = REJECT, |
| }, |
| { |
| "ld_abs: check calling conv, r4", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_MOV64_IMM(BPF_REG_4, 0), |
| BPF_LD_ABS(BPF_W, -0x200000), |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_4), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "R4 !read_ok", |
| .result = REJECT, |
| }, |
| { |
| "ld_abs: check calling conv, r5", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_MOV64_IMM(BPF_REG_5, 0), |
| BPF_LD_ABS(BPF_W, -0x200000), |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_5), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "R5 !read_ok", |
| .result = REJECT, |
| }, |
| { |
| "ld_abs: check calling conv, r7", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_MOV64_IMM(BPF_REG_7, 0), |
| BPF_LD_ABS(BPF_W, -0x200000), |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_7), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| }, |
| { |
| "ld_abs: tests on r6 and skb data reload helper", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_LD_ABS(BPF_B, 0), |
| BPF_LD_ABS(BPF_H, 0), |
| BPF_LD_ABS(BPF_W, 0), |
| BPF_MOV64_REG(BPF_REG_7, BPF_REG_6), |
| BPF_MOV64_IMM(BPF_REG_6, 0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), |
| BPF_MOV64_IMM(BPF_REG_2, 1), |
| BPF_MOV64_IMM(BPF_REG_3, 2), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_vlan_push), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_7), |
| BPF_LD_ABS(BPF_B, 0), |
| BPF_LD_ABS(BPF_H, 0), |
| BPF_LD_ABS(BPF_W, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 42), |
| BPF_EXIT_INSN(), |
| }, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 42 /* ultimate return value */, |
| }, |
| { |
| "ld_abs: invalid op 1", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_LD_ABS(BPF_DW, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = REJECT, |
| .errstr = "unknown opcode", |
| }, |
| { |
| "ld_abs: invalid op 2", |
| .insns = { |
| BPF_MOV32_IMM(BPF_REG_0, 256), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_LD_IND(BPF_DW, BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = REJECT, |
| .errstr = "unknown opcode", |
| }, |
| { |
| "ld_abs: nmap reduced", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_LD_ABS(BPF_H, 12), |
| BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 28), |
| BPF_LD_ABS(BPF_H, 12), |
| BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 26), |
| BPF_MOV32_IMM(BPF_REG_0, 18), |
| BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -64), |
| BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -64), |
| BPF_LD_IND(BPF_W, BPF_REG_7, 14), |
| BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -60), |
| BPF_MOV32_IMM(BPF_REG_0, 280971478), |
| BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -56), |
| BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -56), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -60), |
| BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_7), |
| BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 15), |
| BPF_LD_ABS(BPF_H, 12), |
| BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 13), |
| BPF_MOV32_IMM(BPF_REG_0, 22), |
| BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -56), |
| BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -56), |
| BPF_LD_IND(BPF_H, BPF_REG_7, 14), |
| BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -52), |
| BPF_MOV32_IMM(BPF_REG_0, 17366), |
| BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -48), |
| BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -48), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -52), |
| BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_7), |
| BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2), |
| BPF_MOV32_IMM(BPF_REG_0, 256), |
| BPF_EXIT_INSN(), |
| BPF_MOV32_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .data = { |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0x06, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0x10, 0xbf, 0x48, 0xd6, 0x43, 0xd6, |
| }, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 256, |
| }, |
| { |
| "ld_abs: div + abs, test 1", |
| .insns = { |
| BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1), |
| BPF_LD_ABS(BPF_B, 3), |
| BPF_ALU64_IMM(BPF_MOV, BPF_REG_2, 2), |
| BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_2), |
| BPF_ALU64_REG(BPF_MOV, BPF_REG_8, BPF_REG_0), |
| BPF_LD_ABS(BPF_B, 4), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0), |
| BPF_LD_IND(BPF_B, BPF_REG_8, -70), |
| BPF_EXIT_INSN(), |
| }, |
| .data = { |
| 10, 20, 30, 40, 50, |
| }, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 10, |
| }, |
| { |
| "ld_abs: div + abs, test 2", |
| .insns = { |
| BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1), |
| BPF_LD_ABS(BPF_B, 3), |
| BPF_ALU64_IMM(BPF_MOV, BPF_REG_2, 2), |
| BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_2), |
| BPF_ALU64_REG(BPF_MOV, BPF_REG_8, BPF_REG_0), |
| BPF_LD_ABS(BPF_B, 128), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0), |
| BPF_LD_IND(BPF_B, BPF_REG_8, -70), |
| BPF_EXIT_INSN(), |
| }, |
| .data = { |
| 10, 20, 30, 40, 50, |
| }, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 0, |
| }, |
| { |
| "ld_abs: div + abs, test 3", |
| .insns = { |
| BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1), |
| BPF_ALU64_IMM(BPF_MOV, BPF_REG_7, 0), |
| BPF_LD_ABS(BPF_B, 3), |
| BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_7), |
| BPF_EXIT_INSN(), |
| }, |
| .data = { |
| 10, 20, 30, 40, 50, |
| }, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 0, |
| }, |
| { |
| "ld_abs: div + abs, test 4", |
| .insns = { |
| BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1), |
| BPF_ALU64_IMM(BPF_MOV, BPF_REG_7, 0), |
| BPF_LD_ABS(BPF_B, 256), |
| BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_7), |
| BPF_EXIT_INSN(), |
| }, |
| .data = { |
| 10, 20, 30, 40, 50, |
| }, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 0, |
| }, |
| { |
| "ld_abs: vlan + abs, test 1", |
| .insns = { }, |
| .data = { |
| 0x34, |
| }, |
| .fill_helper = bpf_fill_ld_abs_vlan_push_pop, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 0xbef, |
| }, |
| { |
| "ld_abs: vlan + abs, test 2", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_LD_ABS(BPF_B, 0), |
| BPF_LD_ABS(BPF_H, 0), |
| BPF_LD_ABS(BPF_W, 0), |
| BPF_MOV64_REG(BPF_REG_7, BPF_REG_6), |
| BPF_MOV64_IMM(BPF_REG_6, 0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), |
| BPF_MOV64_IMM(BPF_REG_2, 1), |
| BPF_MOV64_IMM(BPF_REG_3, 2), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
| BPF_FUNC_skb_vlan_push), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_7), |
| BPF_LD_ABS(BPF_B, 0), |
| BPF_LD_ABS(BPF_H, 0), |
| BPF_LD_ABS(BPF_W, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 42), |
| BPF_EXIT_INSN(), |
| }, |
| .data = { |
| 0x34, |
| }, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 42, |
| }, |
| { |
| "ld_abs: jump around ld_abs", |
| .insns = { }, |
| .data = { |
| 10, 11, |
| }, |
| .fill_helper = bpf_fill_jump_around_ld_abs, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| .result = ACCEPT, |
| .retval = 10, |
| }, |
