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selftests/bpf: fix tests

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Fix tests that assumed no loops.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Alexei Starovoitov
2019-06-15 12:12:22 -07:00
committed by Daniel Borkmann
parent eea1c227b9
commit aeee380ccf
3 changed files with 24 additions and 20 deletions
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22
tools/testing/selftests/bpf/verifier/calls.c
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@@ -215,9 +215,11 @@
BPF_MOV64_IMM(BPF_REG_0, 3),
BPF_JMP_IMM(BPF_JA, 0, 0, -6),
},
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
.errstr = "back-edge from insn",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
.errstr_unpriv = "back-edge from insn",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 1,
},
{
"calls: conditional call 4",
@@ -250,22 +252,24 @@
BPF_MOV64_IMM(BPF_REG_0, 3),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
.errstr = "back-edge from insn",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = ACCEPT,
.retval = 1,
},
{
"calls: conditional call 6",
.insns = {
BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, -2),
BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, -3),
BPF_EXIT_INSN(),
BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, mark)),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
.errstr = "back-edge from insn",
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.errstr = "infinite loop detected",
.result = REJECT,
},
{