diff --git a/lib/test_bpf.c b/lib/test_bpf.c index aaa0a40a7eb37fe2a39baca037215948d621837a..9b012a811ee1cecc8b8ca31cd3e5037409980e7f 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -3940,6 +3940,22 @@ static struct bpf_test tests[] = { { }, { { 0, 1 } }, }, + /* BPF_JMP | BPF_JGT | BPF_K jump backwards */ + { + "JMP_JGT_K: if (3 > 2) return 1 (jump backwards)", + .u.insns_int = { + BPF_JMP_IMM(BPF_JA, 0, 0, 2), /* goto start */ + BPF_ALU32_IMM(BPF_MOV, R0, 1), /* out: */ + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 0), /* start: */ + BPF_LD_IMM64(R1, 3), /* note: this takes 2 insns */ + BPF_JMP_IMM(BPF_JGT, R1, 2, -6), /* goto out */ + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, { "JMP_JGE_K: if (3 >= 3) return 1", .u.insns_int = {