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