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-rw-r--r--tools/testing/selftests/bpf/verifier/ld_imm64.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/verifier/ld_imm64.c b/tools/testing/selftests/bpf/verifier/ld_imm64.c
index 28b8c805a293..3856dba733e9 100644
--- a/tools/testing/selftests/bpf/verifier/ld_imm64.c
+++ b/tools/testing/selftests/bpf/verifier/ld_imm64.c
@@ -122,7 +122,7 @@
.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, 1),
+ BPF_RAW_INSN(0, 0, 0, 0, 0),
BPF_EXIT_INSN(),
},
.errstr = "not pointing to valid bpf_map",
@@ -139,3 +139,16 @@
.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,
+},