Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 322 insertions, 0 deletions

diff --git a/tools/testing/selftests/bpf/verifier/masking.c b/tools/testing/selftests/bpf/verifier/masking.c
new file mode 100644
index 000000000..6e1358c54
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/masking.c
@@ -0,0 +1,322 @@
+{
+	"masking, test out of bounds 1",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 5),
+	BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 2",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 1),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 3",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 4",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 5",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 6",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 7",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 8",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 9",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 10",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 11",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 12",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test in bounds 1",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 4),
+	BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 4,
+},
+{
+	"masking, test in bounds 2",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test in bounds 3",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0xfffffffe),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0xfffffffe,
+},
+{
+	"masking, test in bounds 4",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0xabcde),
+	BPF_MOV32_IMM(BPF_REG_2, 0xabcdef - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0xabcde,
+},
+{
+	"masking, test in bounds 5",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test in bounds 6",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 46),
+	BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 46,
+},
+{
+	"masking, test in bounds 7",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, -46),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 46,
+},
+{
+	"masking, test in bounds 8",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, -47),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},