{	"PTR_TO_STACK store/load",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10),	BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c),	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2),	BPF_EXIT_INSN(),	},	.result = ACCEPT,	.retval = 0xfaceb00c,},{	"PTR_TO_STACK store/load - bad alignment on off",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),	BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c),	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr = "misaligned stack access off (0x0; 0x0)+-8+2 size 8",},{	"PTR_TO_STACK store/load - bad alignment on reg",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10),	BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr = "misaligned stack access off (0x0; 0x0)+-10+8 size 8",},{	"PTR_TO_STACK store/load - out of bounds low",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -80000),	BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr = "invalid stack off=-79992 size=8",	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",},{	"PTR_TO_STACK store/load - out of bounds high",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),	BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr = "invalid stack off=0 size=8",},{	"PTR_TO_STACK check high 1",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),	BPF_EXIT_INSN(),	},	.result = ACCEPT,	.retval = 42,},{	"PTR_TO_STACK check high 2",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ST_MEM(BPF_B, BPF_REG_1, -1, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, -1),	BPF_EXIT_INSN(),	},	.result = ACCEPT,	.retval = 42,},{	"PTR_TO_STACK check high 3",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),	BPF_ST_MEM(BPF_B, BPF_REG_1, -1, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, -1),	BPF_EXIT_INSN(),	},	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",	.result_unpriv = REJECT,	.result = ACCEPT,	.retval = 42,},{	"PTR_TO_STACK check high 4",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),	BPF_EXIT_INSN(),	},	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",	.errstr = "invalid stack off=0 size=1",	.result = REJECT,},{	"PTR_TO_STACK check high 5",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr = "invalid stack off",},{	"PTR_TO_STACK check high 6",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),	BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MAX, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MAX),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr = "invalid stack off",},{	"PTR_TO_STACK check high 7",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),	BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MAX, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MAX),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",	.errstr = "fp pointer offset",},{	"PTR_TO_STACK check low 1",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -512),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),	BPF_EXIT_INSN(),	},	.result = ACCEPT,	.retval = 42,},{	"PTR_TO_STACK check low 2",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -513),	BPF_ST_MEM(BPF_B, BPF_REG_1, 1, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 1),	BPF_EXIT_INSN(),	},	.result_unpriv = REJECT,	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",	.result = ACCEPT,	.retval = 42,},{	"PTR_TO_STACK check low 3",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -513),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),	BPF_EXIT_INSN(),	},	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",	.errstr = "invalid stack off=-513 size=1",	.result = REJECT,},{	"PTR_TO_STACK check low 4",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, INT_MIN),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr = "math between fp pointer",},{	"PTR_TO_STACK check low 5",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr = "invalid stack off",},{	"PTR_TO_STACK check low 6",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),	BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MIN, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MIN),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr = "invalid stack off",},{	"PTR_TO_STACK check low 7",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),	BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MIN, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MIN),	BPF_EXIT_INSN(),	},	.result = REJECT,	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",	.errstr = "fp pointer offset",},{	"PTR_TO_STACK mixed reg/k, 1",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),	BPF_MOV64_IMM(BPF_REG_2, -3),	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),	BPF_EXIT_INSN(),	},	.result = ACCEPT,	.retval = 42,},{	"PTR_TO_STACK mixed reg/k, 2",	.insns = {	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),	BPF_MOV64_IMM(BPF_REG_2, -3),	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_5, -6),	BPF_EXIT_INSN(),	},	.result = ACCEPT,	.retval = 42,},{	"PTR_TO_STACK mixed reg/k, 3",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),	BPF_MOV64_IMM(BPF_REG_2, -3),	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),	BPF_EXIT_INSN(),	},	.result = ACCEPT,	.retval = -3,},{	"PTR_TO_STACK reg",	.insns = {	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),	BPF_MOV64_IMM(BPF_REG_2, -3),	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),	BPF_EXIT_INSN(),	},	.result_unpriv = REJECT,	.errstr_unpriv = "invalid stack off=0 size=1",	.result = ACCEPT,	.retval = 42,},{	"stack pointer arithmetic",	.insns = {	BPF_MOV64_IMM(BPF_REG_1, 4),	BPF_JMP_IMM(BPF_JA, 0, 0, 0),	BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10),	BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_1),	BPF_ST_MEM(0, BPF_REG_2, 4, 0),	BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),	BPF_ST_MEM(0, BPF_REG_2, 4, 0),	BPF_MOV64_IMM(BPF_REG_0, 0),	BPF_EXIT_INSN(),	},	.result = ACCEPT,},{	"store PTR_TO_STACK in R10 to array map using BPF_B",	.insns = {	/* Load pointer to map. */	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),	BPF_LD_MAP_FD(BPF_REG_1, 0),	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),	BPF_MOV64_IMM(BPF_REG_0, 2),	BPF_EXIT_INSN(),	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),	/* Copy R10 to R9. */	BPF_MOV64_REG(BPF_REG_9, BPF_REG_10),	/* Pollute other registers with unaligned values. */	BPF_MOV64_IMM(BPF_REG_2, -1),	BPF_MOV64_IMM(BPF_REG_3, -1),	BPF_MOV64_IMM(BPF_REG_4, -1),	BPF_MOV64_IMM(BPF_REG_5, -1),	BPF_MOV64_IMM(BPF_REG_6, -1),	BPF_MOV64_IMM(BPF_REG_7, -1),	BPF_MOV64_IMM(BPF_REG_8, -1),	/* Store both R9 and R10 with BPF_B and read back. */	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_10, 0),	BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_1, 0),	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_9, 0),	BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_1, 0),	/* Should read back as same value. */	BPF_JMP_REG(BPF_JEQ, BPF_REG_2, BPF_REG_3, 2),	BPF_MOV64_IMM(BPF_REG_0, 1),	BPF_EXIT_INSN(),	BPF_MOV64_IMM(BPF_REG_0, 42),	BPF_EXIT_INSN(),	},	.fixup_map_array_48b = { 3 },	.result = ACCEPT,	.retval = 42,	.prog_type = BPF_PROG_TYPE_SCHED_CLS,},