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linux-zen-desktop/tools/testing/selftests/bpf/verifier/jmp32.c

888 lines
20 KiB
C
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Initial commit
2023-08-30 17:31:07 +02:00
{
"jset32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
/* reg, high bits shouldn't be tested */
BPF_JMP32_IMM(BPF_JSET, BPF_REG_7, -2, 1),
BPF_JMP_IMM(BPF_JA, 0, 0, 1),
BPF_EXIT_INSN(),
BPF_JMP32_IMM(BPF_JSET, BPF_REG_7, 1, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 0,
.data64 = { 1ULL << 63, }
},
{ .retval = 2,
.data64 = { 1, }
},
{ .retval = 2,
.data64 = { 1ULL << 63 | 1, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jset32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_LD_IMM64(BPF_REG_8, 0x8000000000000000),
BPF_JMP32_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
BPF_JMP_IMM(BPF_JA, 0, 0, 1),
BPF_EXIT_INSN(),
BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
BPF_JMP32_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 0,
.data64 = { 1ULL << 63, }
},
{ .retval = 2,
.data64 = { 1, }
},
{ .retval = 2,
.data64 = { 1ULL << 63 | 1, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jset32: ignores upper bits",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_LD_IMM64(BPF_REG_7, 0x8000000000000000),
BPF_LD_IMM64(BPF_REG_8, 0x8000000000000000),
BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_JMP32_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.result = ACCEPT,
.retval = 2,
},
{
"jset32: min/max deduction",
.insns = {
BPF_RAND_UEXT_R7,
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_JMP32_IMM(BPF_JSET, BPF_REG_7, 0x10, 1),
BPF_EXIT_INSN(),
BPF_JMP32_IMM(BPF_JGE, BPF_REG_7, 0x10, 1),
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R9 !read_ok",
.result_unpriv = REJECT,
.result = ACCEPT,
},
{
"jeq32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JEQ, BPF_REG_7, -1, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 2,
.retvals = {
{ .retval = 0,
.data64 = { -2, }
},
{ .retval = 2,
.data64 = { -1, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jeq32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_LD_IMM64(BPF_REG_8, 0x7000000000000001),
BPF_JMP32_REG(BPF_JEQ, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 0,
.data64 = { 2, }
},
{ .retval = 2,
.data64 = { 1, }
},
{ .retval = 2,
.data64 = { 1ULL << 63 | 1, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jeq32: min/max deduction",
.insns = {
BPF_RAND_UEXT_R7,
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_JMP32_IMM(BPF_JEQ, BPF_REG_7, 0x10, 1),
BPF_EXIT_INSN(),
BPF_JMP32_IMM(BPF_JSGE, BPF_REG_7, 0xf, 1),
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R9 !read_ok",
.result_unpriv = REJECT,
.result = ACCEPT,
},
{
"jne32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JNE, BPF_REG_7, -1, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 2,
.retvals = {
{ .retval = 2,
.data64 = { 1, }
},
{ .retval = 0,
.data64 = { -1, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jne32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
BPF_JMP32_REG(BPF_JNE, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 0,
.data64 = { 1, }
},
{ .retval = 2,
.data64 = { 2, }
},
{ .retval = 2,
.data64 = { 1ULL << 63 | 2, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jne32: min/max deduction",
.insns = {
BPF_RAND_UEXT_R7,
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_JMP32_IMM(BPF_JNE, BPF_REG_7, 0x10, 1),
BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x10, 1),
BPF_EXIT_INSN(),
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R9 !read_ok",
.result_unpriv = REJECT,
.result = ACCEPT,
},
{
"jge32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JGE, BPF_REG_7, UINT_MAX - 1, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { UINT_MAX, }
},
{ .retval = 2,
.data64 = { UINT_MAX - 1, }
},
{ .retval = 0,
.data64 = { 0, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jge32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LD_IMM64(BPF_REG_8, UINT_MAX | 1ULL << 32),
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_REG(BPF_JGE, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { UINT_MAX, }
},
{ .retval = 0,
.data64 = { INT_MAX, }
},
{ .retval = 0,
.data64 = { (UINT_MAX - 1) | 2ULL << 32, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jge32: min/max deduction",
.insns = {
BPF_RAND_UEXT_R7,
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
BPF_JMP32_REG(BPF_JGE, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_JMP32_IMM(BPF_JGE, BPF_REG_7, 0x7ffffff0, 1),
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
},
{
"jgt32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JGT, BPF_REG_7, UINT_MAX - 1, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { UINT_MAX, }
},
{ .retval = 0,
.data64 = { UINT_MAX - 1, }
},
{ .retval = 0,
.data64 = { 0, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jgt32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LD_IMM64(BPF_REG_8, (UINT_MAX - 1) | 1ULL << 32),
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { UINT_MAX, }
},
{ .retval = 0,
.data64 = { UINT_MAX - 1, }
},
{ .retval = 0,
.data64 = { (UINT_MAX - 1) | 2ULL << 32, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jgt32: min/max deduction",
.insns = {
BPF_RAND_UEXT_R7,
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
BPF_JMP32_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_JMP_IMM(BPF_JGT, BPF_REG_7, 0x7ffffff0, 1),
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
},
{
"jle32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JLE, BPF_REG_7, INT_MAX, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { INT_MAX - 1, }
},
{ .retval = 0,
.data64 = { UINT_MAX, }
},
{ .retval = 2,
.data64 = { INT_MAX, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jle32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LD_IMM64(BPF_REG_8, (INT_MAX - 1) | 2ULL << 32),
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_REG(BPF_JLE, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 0,
.data64 = { INT_MAX | 1ULL << 32, }
},
{ .retval = 2,
.data64 = { INT_MAX - 2, }
},
{ .retval = 0,
.data64 = { UINT_MAX, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jle32: min/max deduction",
.insns = {
BPF_RAND_UEXT_R7,
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
BPF_JMP32_REG(BPF_JLE, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_JMP32_IMM(BPF_JLE, BPF_REG_7, 0x7ffffff0, 1),
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
},
{
"jlt32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JLT, BPF_REG_7, INT_MAX, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 0,
.data64 = { INT_MAX, }
},
{ .retval = 0,
.data64 = { UINT_MAX, }
},
{ .retval = 2,
.data64 = { INT_MAX - 1, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jlt32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LD_IMM64(BPF_REG_8, INT_MAX | 2ULL << 32),
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_REG(BPF_JLT, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 0,
.data64 = { INT_MAX | 1ULL << 32, }
},
{ .retval = 0,
.data64 = { UINT_MAX, }
},
{ .retval = 2,
.data64 = { (INT_MAX - 1) | 3ULL << 32, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jlt32: min/max deduction",
.insns = {
BPF_RAND_UEXT_R7,
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
BPF_JMP32_REG(BPF_JLT, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_JMP_IMM(BPF_JSLT, BPF_REG_7, 0x7ffffff0, 1),
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
},
{
"jsge32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JSGE, BPF_REG_7, -1, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { 0, }
},
{ .retval = 2,
.data64 = { -1, }
},
{ .retval = 0,
.data64 = { -2, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jsge32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LD_IMM64(BPF_REG_8, (__u32)-1 | 2ULL << 32),
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_REG(BPF_JSGE, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { -1, }
},
{ .retval = 2,
.data64 = { 0x7fffffff | 1ULL << 32, }
},
{ .retval = 0,
.data64 = { -2, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jsge32: min/max deduction",
.insns = {
BPF_RAND_UEXT_R7,
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
BPF_JMP32_REG(BPF_JSGE, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_JMP_IMM(BPF_JSGE, BPF_REG_7, 0x7ffffff0, 1),
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
},
{
"jsgt32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JSGT, BPF_REG_7, -1, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 0,
.data64 = { (__u32)-2, }
},
{ .retval = 0,
.data64 = { -1, }
},
{ .retval = 2,
.data64 = { 1, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jsgt32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LD_IMM64(BPF_REG_8, 0x7ffffffe | 1ULL << 32),
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_REG(BPF_JSGT, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 0,
.data64 = { 0x7ffffffe, }
},
{ .retval = 0,
.data64 = { 0x1ffffffffULL, }
},
{ .retval = 2,
.data64 = { 0x7fffffff, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jsgt32: min/max deduction",
.insns = {
BPF_RAND_SEXT_R7,
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_LD_IMM64(BPF_REG_8, (__u32)(-2) | 1ULL << 32),
BPF_JMP32_REG(BPF_JSGT, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, -2, 1),
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
},
{
"jsle32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JSLE, BPF_REG_7, -1, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { (__u32)-2, }
},
{ .retval = 2,
.data64 = { -1, }
},
{ .retval = 0,
.data64 = { 1, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jsle32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LD_IMM64(BPF_REG_8, 0x7ffffffe | 1ULL << 32),
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_REG(BPF_JSLE, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { 0x7ffffffe, }
},
{ .retval = 2,
.data64 = { (__u32)-1, }
},
{ .retval = 0,
.data64 = { 0x7fffffff | 2ULL << 32, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jsle32: min/max deduction",
.insns = {
BPF_RAND_UEXT_R7,
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
BPF_JMP32_REG(BPF_JSLE, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_JMP_IMM(BPF_JSLE, BPF_REG_7, 0x7ffffff0, 1),
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
},
{
"jslt32: BPF_K",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_IMM(BPF_JSLT, BPF_REG_7, -1, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { (__u32)-2, }
},
{ .retval = 0,
.data64 = { -1, }
},
{ .retval = 0,
.data64 = { 1, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jslt32: BPF_X",
.insns = {
BPF_DIRECT_PKT_R2,
BPF_LD_IMM64(BPF_REG_8, 0x7fffffff | 1ULL << 32),
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
BPF_JMP32_REG(BPF_JSLT, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.runs = 3,
.retvals = {
{ .retval = 2,
.data64 = { 0x7ffffffe, }
},
{ .retval = 2,
.data64 = { 0xffffffff, }
},
{ .retval = 0,
.data64 = { 0x7fffffff | 2ULL << 32, }
},
},
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jslt32: min/max deduction",
.insns = {
BPF_RAND_SEXT_R7,
BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
BPF_LD_IMM64(BPF_REG_8, (__u32)(-1) | 1ULL << 32),
BPF_JMP32_REG(BPF_JSLT, BPF_REG_7, BPF_REG_8, 1),
BPF_EXIT_INSN(),
BPF_JMP32_IMM(BPF_JSLT, BPF_REG_7, -1, 1),
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
},
{
"jgt32: range bound deduction, reg op imm",
.insns = {
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
BPF_EMIT_CALL(BPF_FUNC_get_cgroup_classid),
BPF_JMP32_IMM(BPF_JGT, BPF_REG_0, 1, 5),
BPF_MOV32_REG(BPF_REG_6, BPF_REG_0),
BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
BPF_ALU64_IMM(BPF_RSH, BPF_REG_6, 32),
BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_6),
BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
BPF_MOV32_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.fixup_map_hash_48b = { 4 },
.result = ACCEPT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jgt32: range bound deduction, reg1 op reg2, reg1 unknown",
.insns = {
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
BPF_EMIT_CALL(BPF_FUNC_get_cgroup_classid),
BPF_MOV32_IMM(BPF_REG_2, 1),
BPF_JMP32_REG(BPF_JGT, BPF_REG_0, BPF_REG_2, 5),
BPF_MOV32_REG(BPF_REG_6, BPF_REG_0),
BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
BPF_ALU64_IMM(BPF_RSH, BPF_REG_6, 32),
BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_6),
BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
BPF_MOV32_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.fixup_map_hash_48b = { 4 },
.result = ACCEPT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jle32: range bound deduction, reg1 op reg2, reg2 unknown",
.insns = {
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
BPF_EMIT_CALL(BPF_FUNC_get_cgroup_classid),
BPF_MOV32_IMM(BPF_REG_2, 1),
BPF_JMP32_REG(BPF_JLE, BPF_REG_2, BPF_REG_0, 5),
BPF_MOV32_REG(BPF_REG_6, BPF_REG_0),
BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
BPF_ALU64_IMM(BPF_RSH, BPF_REG_6, 32),
BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_6),
BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
BPF_MOV32_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.fixup_map_hash_48b = { 4 },
.result = ACCEPT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"jeq32/jne32: bounds checking",
.insns = {
BPF_MOV64_IMM(BPF_REG_6, 563),
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
BPF_ALU32_REG(BPF_OR, BPF_REG_2, BPF_REG_6),
BPF_JMP32_IMM(BPF_JNE, BPF_REG_2, 8, 5),
BPF_JMP_IMM(BPF_JSGE, BPF_REG_2, 500, 2),
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(BPF_REG_0, 1),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.retval = 1,
},