diff options
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/bpf_get_stack.c')
| -rw-r--r-- | tools/testing/selftests/bpf/verifier/bpf_get_stack.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/bpf_get_stack.c b/tools/testing/selftests/bpf/verifier/bpf_get_stack.c new file mode 100644 index 000000000000..f24d50f09dbe --- /dev/null +++ b/tools/testing/selftests/bpf/verifier/bpf_get_stack.c @@ -0,0 +1,44 @@ +{ + "bpf_get_stack return R0 within range", + .insns = { + BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 28), + BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), + BPF_MOV64_IMM(BPF_REG_9, sizeof(struct test_val)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_7), + BPF_MOV64_IMM(BPF_REG_3, sizeof(struct test_val)), + BPF_MOV64_IMM(BPF_REG_4, 256), + BPF_EMIT_CALL(BPF_FUNC_get_stack), + BPF_MOV64_IMM(BPF_REG_1, 0), + BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), + BPF_ALU64_IMM(BPF_LSH, BPF_REG_8, 32), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_8, 32), + BPF_JMP_REG(BPF_JSLT, BPF_REG_1, BPF_REG_8, 16), + BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_7), + BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_8), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_9), + BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 32), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 32), + BPF_MOV64_REG(BPF_REG_3, BPF_REG_2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_1), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), + BPF_MOV64_IMM(BPF_REG_5, sizeof(struct test_val)), + BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_5), + BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 4), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_MOV64_REG(BPF_REG_3, BPF_REG_9), + BPF_MOV64_IMM(BPF_REG_4, 0), + BPF_EMIT_CALL(BPF_FUNC_get_stack), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_48b = { 4 }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_TRACEPOINT, +}, |