{ "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, },