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| {
| "jset: functional",
| .insns = {
| BPF_DIRECT_PKT_R2,
| BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
|
| /* reg, bit 63 or bit 0 set, taken */
| BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
| BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
| BPF_EXIT_INSN(),
|
| /* reg, bit 62, not taken */
| BPF_LD_IMM64(BPF_REG_8, 0x4000000000000000),
| BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
| BPF_JMP_IMM(BPF_JA, 0, 0, 1),
| BPF_EXIT_INSN(),
|
| /* imm, any bit set, taken */
| BPF_JMP_IMM(BPF_JSET, BPF_REG_7, -1, 1),
| BPF_EXIT_INSN(),
|
| /* imm, bit 31 set, taken */
| BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
| BPF_EXIT_INSN(),
|
| /* all good - return r0 == 2 */
| BPF_MOV64_IMM(BPF_REG_0, 2),
| BPF_EXIT_INSN(),
| },
| .prog_type = BPF_PROG_TYPE_SCHED_CLS,
| .result = ACCEPT,
| .runs = 7,
| .retvals = {
| { .retval = 2,
| .data64 = { (1ULL << 63) | (1U << 31) | (1U << 0), }
| },
| { .retval = 2,
| .data64 = { (1ULL << 63) | (1U << 31), }
| },
| { .retval = 2,
| .data64 = { (1ULL << 31) | (1U << 0), }
| },
| { .retval = 2,
| .data64 = { (__u32)-1, }
| },
| { .retval = 2,
| .data64 = { ~0x4000000000000000ULL, }
| },
| { .retval = 0,
| .data64 = { 0, }
| },
| { .retval = 0,
| .data64 = { ~0ULL, }
| },
| },
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
| },
| {
| "jset: sign-extend",
| .insns = {
| BPF_DIRECT_PKT_R2,
| BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
|
| BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
| BPF_EXIT_INSN(),
|
| BPF_MOV64_IMM(BPF_REG_0, 2),
| BPF_EXIT_INSN(),
| },
| .prog_type = BPF_PROG_TYPE_SCHED_CLS,
| .result = ACCEPT,
| .retval = 2,
| .data = { 1, 0, 0, 0, 0, 0, 0, 1, },
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
| },
| {
| "jset: known const compare",
| .insns = {
| BPF_MOV64_IMM(BPF_REG_0, 1),
| BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
| BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
| BPF_EXIT_INSN(),
| },
| .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
| .errstr_unpriv = "R9 !read_ok",
| .result_unpriv = REJECT,
| .retval = 1,
| .result = ACCEPT,
| },
| {
| "jset: known const compare bad",
| .insns = {
| BPF_MOV64_IMM(BPF_REG_0, 0),
| BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
| BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
| BPF_EXIT_INSN(),
| },
| .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
| .errstr_unpriv = "!read_ok",
| .result_unpriv = REJECT,
| .errstr = "!read_ok",
| .result = REJECT,
| },
| {
| "jset: unknown const compare taken",
| .insns = {
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
| BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
| BPF_JMP_IMM(BPF_JA, 0, 0, 1),
| BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
| BPF_EXIT_INSN(),
| },
| .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
| .errstr_unpriv = "!read_ok",
| .result_unpriv = REJECT,
| .errstr = "!read_ok",
| .result = REJECT,
| },
| {
| "jset: unknown const compare not taken",
| .insns = {
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
| BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
| BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
| BPF_EXIT_INSN(),
| },
| .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
| .errstr_unpriv = "!read_ok",
| .result_unpriv = REJECT,
| .errstr = "!read_ok",
| .result = REJECT,
| },
| {
| "jset: half-known const compare",
| .insns = {
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
| BPF_ALU64_IMM(BPF_OR, BPF_REG_0, 2),
| BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 3, 1),
| BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
| BPF_MOV64_IMM(BPF_REG_0, 0),
| BPF_EXIT_INSN(),
| },
| .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
| .errstr_unpriv = "R9 !read_ok",
| .result_unpriv = REJECT,
| .result = ACCEPT,
| },
| {
| "jset: range",
| .insns = {
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
| BPF_MOV64_IMM(BPF_REG_0, 0),
| BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xff),
| BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0xf0, 3),
| BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 0x10, 1),
| BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
| BPF_EXIT_INSN(),
| BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0x10, 1),
| BPF_EXIT_INSN(),
| BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0x10, 1),
| BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
| BPF_EXIT_INSN(),
| },
| .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
| .errstr_unpriv = "R9 !read_ok",
| .result_unpriv = REJECT,
| .result = ACCEPT,
| },
|
|
