diff --git a/tools/testing/selftests/bpf/verifier/sanitize_st_ldx.c b/tools/testing/selftests/bpf/verifier/sanitize_st_ldx.c
new file mode 100644
index 000000000000..3fd571abc5cc
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/sanitize_st_ldx.c
@@ -0,0 +1,323 @@
+#ifdef CONFIG_BPF_PROG_KASAN
+{
+	"sanitize stx: dst is R1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, MAX_BPF_REG),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, -8, 1),
+	},
+},
+{
+	"sanitize stx: dst is R0",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, MAX_BPF_REG),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, -8, 1),
+	},
+},
+{
+	"sanitize stx: dst is R10",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.unexpected_insns = {
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	},
+},
+{
+	"sanitize stx: dst is other regs",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, MAX_BPF_REG),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 1),
+	},
+},
+{
+	"sanitize ldx: src is R1, dst is R0",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	},
+},
+{
+	"sanitize ldx: src is R1, dst is R1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, MAX_BPF_REG),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, -8),
+	},
+},
+{
+	"sanitize ldx: src is R1, dst is other regs",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, MAX_BPF_REG),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -8),
+	},
+},
+{
+	"sanitize ldx: src is R0, dst is R1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
+	},
+},
+{
+	"sanitize ldx: src is R0, dst is R0",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, MAX_BPF_REG),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, -8),
+	},
+},
+{
+	"sanitize ldx: src is R0, dst is other regs",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, MAX_BPF_REG),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, -8),
+	},
+},
+{
+	"sanitize ldx: src is other regs, dst is R0",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_1, MAX_BPF_REG),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -8),
+	},
+},
+{
+	"sanitize ldx: src is other regs, dst is R1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, MAX_BPF_REG),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -8),
+	},
+},
+{
+	"sanitize ldx: src is other regs, dst is self",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, MAX_BPF_REG),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+	},
+},
+{
+	"sanitize ldx: src is other regs, dst is other regs",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_3, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+	.expected_insns = {
+	BPF_MOV64_REG(MAX_BPF_REG, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_EMIT_CALL(INSN_IMM_MASK),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_MOV64_REG(BPF_REG_1, MAX_BPF_REG),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_2, -8),
+	},
+},
+#endif /* CONFIG_BPF_PROG_KASAN */
