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