bpf: verifier remove the rejection on BPF_ALU | BPF_ARSH
This patch remove the rejection on BPF_ALU | BPF_ARSH as we have supported them on interpreter and all JIT back-ends Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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@ -3649,11 +3649,6 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn)
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return -EINVAL;
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}
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if (opcode == BPF_ARSH && BPF_CLASS(insn->code) != BPF_ALU64) {
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verbose(env, "BPF_ARSH not supported for 32 bit ALU\n");
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return -EINVAL;
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}
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if ((opcode == BPF_LSH || opcode == BPF_RSH ||
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opcode == BPF_ARSH) && BPF_SRC(insn->code) == BPF_K) {
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int size = BPF_CLASS(insn->code) == BPF_ALU64 ? 64 : 32;
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