Adding upstream version 5.10.209.upstream/5.10.209upstream

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

1 files changed, 146 insertions, 0 deletions

diff --git a/tools/testing/selftests/bpf/verifier/ld_imm64.c b/tools/testing/selftests/bpf/verifier/ld_imm64.c
new file mode 100644
index 000000000..f9297900c
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ld_imm64.c
@@ -0,0 +1,146 @@
+{
+	"test1 ld_imm64",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid BPF_LD_IMM insn",
+	.errstr_unpriv = "R1 pointer comparison",
+	.result = REJECT,
+},
+{
+	"test2 ld_imm64",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid BPF_LD_IMM insn",
+	.errstr_unpriv = "R1 pointer comparison",
+	.result = REJECT,
+},
+{
+	"test3 ld_imm64",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test4 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test6 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"test7 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+	BPF_RAW_INSN(0, 0, 0, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"test8 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 1, 1),
+	BPF_RAW_INSN(0, 0, 0, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "uses reserved fields",
+	.result = REJECT,
+},
+{
+	"test9 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+	BPF_RAW_INSN(0, 0, 0, 1, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test10 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+	BPF_RAW_INSN(0, BPF_REG_1, 0, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test11 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+	BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test12 ld_imm64",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "not pointing to valid bpf_map",
+	.result = REJECT,
+},
+{
+	"test13 ld_imm64",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1),
+	BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test14 ld_imm64: reject 2nd imm != 0",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_1,
+		     BPF_PSEUDO_MAP_FD, 0, 0),
+	BPF_RAW_INSN(0, 0, 0, 0, 0xfefefe),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 1 },
+	.errstr = "unrecognized bpf_ld_imm64 insn",
+	.result = REJECT,
+},