Adapt errstr of existing tests to make them pass, and add a new case
to test backward jump to reserved code.
Signed-off-by: Hao Sun <sunhao.th@gmail.com>
---
tools/testing/selftests/bpf/verifier/ld_imm64.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/tools/testing/selftests/bpf/verifier/ld_imm64.c b/tools/testing/selftests/bpf/verifier/ld_imm64.c
index f9297900cea6..aa3ada0062d9 100644
--- a/tools/testing/selftests/bpf/verifier/ld_imm64.c
+++ b/tools/testing/selftests/bpf/verifier/ld_imm64.c
@@ -9,8 +9,7 @@
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
- .errstr = "invalid BPF_LD_IMM insn",
- .errstr_unpriv = "R1 pointer comparison",
+ .errstr = "jump to reserved code",
.result = REJECT,
},
{
@@ -23,8 +22,7 @@
BPF_LD_IMM64(BPF_REG_0, 1),
BPF_EXIT_INSN(),
},
- .errstr = "invalid BPF_LD_IMM insn",
- .errstr_unpriv = "R1 pointer comparison",
+ .errstr = "jump to reserved code",
.result = REJECT,
},
{
@@ -144,3 +142,13 @@
.errstr = "unrecognized bpf_ld_imm64 insn",
.result = REJECT,
},
+{
+ "test15 ld_imm64",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "jump to reserved code",
+ .result = REJECT,
+},
--
2.34.1