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selftests: bpf: break up test_verifier

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Break up the first 10 kLoC of test verifier test cases
out into smaller files.  Looks like git line counting
gets a little flismy above 16 bit integers, so we need
two commits to break up test_verifier.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Jakub Kicinski
2019-01-25 15:24:43 -08:00
committed by Alexei Starovoitov
parent 2dfb40121e
commit 40f2fbd5a5
48 changed files with 9902 additions and 10136 deletions
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70
tools/testing/selftests/bpf/verifier/cfg.c Normal file
View File

@@ -0,0 +1,70 @@
{
"unreachable",
.insns = {
BPF_EXIT_INSN(),
BPF_EXIT_INSN(),
},
.errstr = "unreachable",
.result = REJECT,
},
{
"unreachable2",
.insns = {
BPF_JMP_IMM(BPF_JA, 0, 0, 1),
BPF_JMP_IMM(BPF_JA, 0, 0, 0),
BPF_EXIT_INSN(),
},
.errstr = "unreachable",
.result = REJECT,
},
{
"out of range jump",
.insns = {
BPF_JMP_IMM(BPF_JA, 0, 0, 1),
BPF_EXIT_INSN(),
},
.errstr = "jump out of range",
.result = REJECT,
},
{
"out of range jump2",
.insns = {
BPF_JMP_IMM(BPF_JA, 0, 0, -2),
BPF_EXIT_INSN(),
},
.errstr = "jump out of range",
.result = REJECT,
},
{
"loop (back-edge)",
.insns = {
BPF_JMP_IMM(BPF_JA, 0, 0, -1),
BPF_EXIT_INSN(),
},
.errstr = "back-edge",
.result = REJECT,
},
{
"loop2 (back-edge)",
.insns = {
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
BPF_JMP_IMM(BPF_JA, 0, 0, -4),
BPF_EXIT_INSN(),
},
.errstr = "back-edge",
.result = REJECT,
},
{
"conditional loop",
.insns = {
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -3),
BPF_EXIT_INSN(),
},
.errstr = "back-edge",
.result = REJECT,
},